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STMicroelectronics LS1240A IC TELECOM INTERFACE 8MINI DIP
Distributors	Part	Package	Stock	Lead Time	Min Order Qty	Price	Buy
DigiKey	LS1240A	Tube			2,000	1 - 10 - 100 - 1000 - 10000 $0.63733	Buy Now
ComSIT USA	LS1240A		2,046			1 - 10 - 100 - 1000 - 10000 -	Get Quote
Win Source Electronics	LS1240A		500			1 - 10 - 100 - 1000 $0.132 10000 $0.107	Buy Now
STMicroelectronics E-LS1240A IC TELECOM INTERFACE 8MINI DIP
Distributors	Part	Package	Stock	Lead Time	Min Order Qty	Price	Buy
DigiKey	E-LS1240A	Tube			2,000	1 - 10 - 100 - 1000 - 10000 $0.63733	Buy Now
STMicroelectronics LS1240AD1 IC TELECOM INTERFACE 8SO
Distributors	Part	Package	Stock	Lead Time	Min Order Qty	Price	Buy
DigiKey	LS1240AD1	Tube			2,000	1 - 10 - 100 - 1000 - 10000 $0.63733	Buy Now
Avnet Americas	LS1240AD1	Tube			2,000	1 - 10 - 100 - 1000 - 10000 -	Get Quote
Bristol Electronics	LS1240AD1		1,375			1 - 10 - 100 - 1000 - 10000 -	Get Quote
STMicroelectronics LS1240AD1013TR Telecom Ringer Phone 1740Hz to 2140Hz/1220Hz to 1600Hz 8-Pin SO N T/R - Tape and Reel (Alt: LS1240AD1013TR)
Distributors	Part	Package	Stock	Lead Time	Min Order Qty	Price	Buy
Avnet Americas	LS1240AD1013TR	Reel			2,500	1 - 10 - 100 - 1000 - 10000 -	Get Quote
SGS Thomson LS1240A TELEPHONE RINGER CKT, PDIP8
Distributors	Part	Package	Stock	Lead Time	Min Order Qty	Price	Buy
Quest Components	LS1240A		59			1 $2.16 10 $2.16 100 $1.188 1000 $1.188 10000 $1.188	Buy Now

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LS1240A Datasheets (13)

Part	Manufacturer	Description	Datasheet Type	PDF
LS1240A	Contek Microelectronics	Electronic tone ringer with built-in bridge rectifier. Supply voltage Vs=26V. Current consumption without load Ib=1.5A (typ). Activation voltage Von=12V(min),13.5V(max). Sustaining voltage Voff=7.8V(min),9.3V(max).	Original	PDF
LS1240A	STMicroelectronics	Electronic two-tone ringer	Original	PDF
LS1240A	STMicroelectronics	ELECTRONIC TWO-TONE RINGER	Original	PDF
LS1240A	STMicroelectronics	ELECTRONIC TWO-TONE RINGER	Original	PDF
LS1240A	Wing Shing Computer Components	Electronic Two-Tone Ringer	Original	PDF
LS1240A	Unknown	Shortform IC and Component Datasheets (Plus Cross Reference Data)	Short Form	PDF
LS1240A-D08-T	Unisonic Technologies	ELECTRONIC TONE RINGER WITH BUILT-IN BRIDGE RECTIFIER	Original	PDF
LS1240AD1	STMicroelectronics	Electronic two-tone ringer	Original	PDF
LS1240AD1	STMicroelectronics	ELECTRONIC TWO-TONE RINGER	Original	PDF
LS1240AD1	Wing Shing Computer Components	Electronic Two-Tone Ringer	Original	PDF
LS1240AD1013TR	STMicroelectronics	ELECTRONIC TWO-TONE RINGER	Original	PDF
LS1240A-S08-R	Unisonic Technologies	ELECTRONIC TONE RINGER WITH BUILT-IN BRIDGE RECTIFIER	Original	PDF
LS1240A-S08-T	Unisonic Technologies	ELECTRONIC TONE RINGER WITH BUILT-IN BRIDGE RECTIFIER	Original	PDF

LS1240A Datasheets Context Search

Catalog Datasheet	MFG & Type	PDF	Document Tags
utc 1240 a Abstract: utc 1240 1240a 1240 ringer utc 1240a c1100nf LS1240A LS1240 piezoceramic TELEPHONE RINGER Text: UTC LS1240A LINEAR INTEGRATED CIRCUIT ELECTRONIC TONE RINGER WITH BUILT-IN BRIDGE RECTIFIER DESCRIPTION The UTC LS1240A is a monolithic integrated circuit, designed to be as a telephone ringer. It can drive directly a piezo-ceramic converter buzzer . The output current capacity	Original	PDF	LS1240A LS1240A LS1240, LS1240 100nF LS1240A, utc 1240 a utc 1240 1240a 1240 ringer utc 1240a c1100nf LS1240 piezoceramic TELEPHONE RINGER
utc ls1240 Abstract: UTC LS1240AL Text: UNISONIC TECHNOLOGIES CO., LS1240A Linear Integrated Circuit ELECTRONIC TONE RINGER WITH BUILT-IN BRIDGE RECTIFIER DESCRIPTION SOP-8 The UTC LS1240A is monolithic integrated circuits and designed to be as a telephone ringer. It can drive a piezo-ceramic converter buzzer directly. The output current	Original	PDF	LS1240A LS1240A QW-R108-002 utc ls1240 UTC LS1240AL
LS1240A Abstract: ls1240a application note ls1240al circuit diagram for buzzer circuits c1100nf Text: UNISONIC TECHNOLOGIES CO., LTD LS1240A LINEAR INTEGRATED CIRCUIT ELECTRONIC TONE RINGER WITH BUILT-IN BRIDGE RECTIFIER DESCRIPTION The UTC LS1240A is monolithic integrated circuits and designed to be as a telephone ringer. It can drive a piezo-ceramic converter buzzer directly. The output current capacity of UTC	Original	PDF	LS1240A LS1240A QW-R108-002 ls1240a application note ls1240al circuit diagram for buzzer circuits c1100nf
loud speaker Abstract: LS1240AD1 LS1240A Text: LS1240A ELECTRONIC TWO - TONE RINGER . . . . LOW CURRENT CONSUMPTION, IN ORDER TO ALLOW THE PARALLEL OPERATION OF 4 DEVICES INTEGRATED RECTIFIER BRIDGE WITH ZENER DIODES TO PROTECT AGAINST OVERVOLTAGES LITTLE EXTERNAL CIRCUITRY TONE AND SWITCHING FREQUENCIES ADJUSTABLE BY EXTERNAL COMPONENTS	Original	PDF	LS1240A LS1240A loud speaker LS1240AD1
LS1240AL Abstract: UTC 1240A 1240a LS1240 LS1240A LS1240A-D08-T LS1240A-S08-R LS1240A-S08-T circuit diagram for buzzer circuits piezoceramic Text: UNISONIC TECHNOLOGIES CO., LTD LS1240A LINEAR INTEGRATED CIRCUIT ELECTRONIC TONE RINGER WITH BUILT-IN BRIDGE RECTIFIER SOP-8 DESCRIPTION The UTC LS1240A is monolithic integrated circuits and designed to be as a telephone ringer. It can drive a piezo-ceramic	Original	PDF	LS1240A LS1240A QW-R108-002 LS1240AL UTC 1240A 1240a LS1240 LS1240A-D08-T LS1240A-S08-R LS1240A-S08-T circuit diagram for buzzer circuits piezoceramic
LS1240 Abstract: LS1240A LS1240AD1 750C1 Text: LS1240 LS1240A ELECTRONIC TWO - TONE RINGER . . . . LOW CURRENT CONSUMPTION, IN ORDER TO ALLOWTHE PARALLELOPERATION OF 4 DEVICES INTEGRATED RECTIFIER BRIDGE WITH ZENER DIODES TO PROTECT AGAINST OVERVOLTAGES LITTLE EXTERNAL CIRCUITRY TONE AND SWITCHING FREQUENCIES ADJUSTABLE BY EXTERNAL COMPONENTS	Original	PDF	LS1240 LS1240A LS1240 LS1240A LS1240. LS12ise LS1240AD1 750C1
utc 1240 a Abstract: utc 1240 utc 1240a 1240a 1240 ringer LS1240A c1100nf TELEPHONE RINGER Text: UTC LS1240A LINEAR INTEGRATED CIRCUIT ELECTRONIC TONE RINGER WITH BUILT-IN BRIDGE RECTIFIER DESCRIPTION The UTC LS1240A is a monolithic integrated circuit, designed to be as a telephone ringer. It can drive directly a piezo-ceramic converter buzzer . The output current capacity	Original	PDF	LS1240A LS1240A LS1240, QW-R108-002 utc 1240 a utc 1240 utc 1240a 1240a 1240 ringer c1100nf TELEPHONE RINGER
1240a Abstract: 1240 ringer ic 1240 ringer IC 1240A c1100nf 6V bridge rectifier ic 14K 25V LS1240 LS1240A Contek Microelectronics Text: LS1240A LINEAR INTEGRATED CIRCUIT ELECTRONIC TONE RINGER WITH BUILT-IN BRIDGE RECTIFIER DESCRIPTION The Contek LS1240A is a monolithic integrated circuit, designed to be as a telephone ringer . It can drive directly a piezo-ceramic converter buzzer . The output current	Original	PDF	LS1240A LS1240A LS1240, 100nF 1240a 1240 ringer ic 1240 ringer IC 1240A c1100nf 6V bridge rectifier ic 14K 25V LS1240 Contek Microelectronics
Untitled Abstract: No abstract text available Text: UNISONIC TECHNOLOGIES CO., LTD LS1240A LINEAR INTEGRATED CIRCUIT ELECTRONIC TONE RINGER WITH BUILT-IN BRIDGE RECTIFIER  DESCRIPTION The UTC LS1240A is monolithic integrated circuits and designed to be as a telephone ringer. It can drive a piezo-ceramic	Original	PDF	LS1240A LS1240A QW-R108-002
LS1240Al Abstract: No abstract text available Text: UNISONIC TECHNOLOGIES CO., LTD LS1240A LINEAR INTEGRATED CIRCUIT ELECTRONIC TONE RINGER WITH BUILT-IN BRIDGE RECTIFIER DESCRIPTION SOP-8 The UTC LS1240A is monolithic integrated circuits and designed to be as a telephone ringer. It can drive a piezo-ceramic	Original	PDF	LS1240A LS1240A QW-R108-002 LS1240Al
loud speaker Abstract: circuit diagram of calling bell LS1240A LS1240AD1 Text: LS1240A . . . . Electronic Two-Tone Ringer LOW CURRENT CONSUMPTION, IN ORDER TO ALLOW THE PARALLEL OPERATION OF 4 DEVICES INTEGRATED RECTIFIER BRIDGE WITH ZENER DIODES TO PROTECT AGAINST OVERVOLTAGES LITTLE EXTERNAL CIRCUITRY TONE AND SWITCHING FREQUENCIES ADJUSTABLE BY EXTERNAL COMPONENTS	Original	PDF	LS1240A LS1240A 100nF loud speaker circuit diagram of calling bell LS1240AD1
LS1240 Abstract: LS1240A LS1240AD1 aa2c Text: LS1240 LS1240A ELECTRONIC TWO - TONE RINGER . . . . LOW CURRENT CONSUMPTION, IN ORDER TO ALLOWTHE PARALLELOPERATION OF 4 DEVICES INTEGRATED RECTIFIER BRIDGE WITH ZENER DIODES TO PROTECT AGAINST OVERVOLTAGES LITTLE EXTERNAL CIRCUITRY TONE AND SWITCHING FREQUENCIES ADJUSTABLE BY EXTERNAL COMPONENTS	Original	PDF	LS1240 LS1240A LS1240 LS1240A LS1240. LS12se LS1240AD1 aa2c
Untitled Abstract: No abstract text available Text: UNISONICTECHNOLOGIESCO., LTD LS1240A LINEAR INTEGRATED CIRCUIT ELECT RON I C T ON E RI N GER WI T H BU I LT -I N BRI DGE RECT I FI ER ̈ DESCRI PT I ON The UTC LS1240A is monolithic integrated circuits and designed to be as a telephone ringer. It can drive a piezo-ceramic	Original	PDF	LS1240A LS1240A QW-R108-002
LS1240 Abstract: E-LS1240A LS1240A 6v Buzzer JESD97 LS1240AD1 Text: LS1240 Electronic two-tone ringer Features • Low current consumption, in order to allow the parallel operation of 4 devices ■ Integrated rectifier bridge with zener diodes to protect against over voltages little external circuitry ■ Tone and switching frequencies adjustable by	Original	PDF	LS1240 LS1240 E-LS1240A LS1240A 6v Buzzer JESD97 LS1240AD1

TEA7052DP Abstract: ls285ab TEA7531DP 7532DP M3541B LS285AB1 LS588N TEA7063DP LS256B pnp for 2n3019 Text: TELEPHONE SET RECOMMENDED PRODUCTS FROM SGS-THOMSON SPEECH CIRCUITS Type Number L3280AB LS256B PROTECTION Description Very low voltage telephone speech circuit Telephone speech circuit with multifrequency interface Telephone speech circuit Programmable telephone speech circuit	Original	PDF	L3280AB LS256B LS285AB1 LS588N1 LS656AB TEA7052DP TEA7063DP L3100B1 LS5120B LS5060B ls285ab TEA7531DP 7532DP M3541B LS588N pnp for 2n3019
2sA1013 equivalent Abstract: One-chip telephone IC AN849-11 ST3917A Softswitch L3916A 20k trimmer multi turn datasheet AN849 circuit diagram of keypad interface with dtmf L3917 Text: APPLICATION NOTE SPEECH AND DIALLER L3914A/16A AND ST3917A/B SUMMARY Page I INTRODUCTION OF L3914A/16A/ST3917A/B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 I.1 SPEECH + DIALLER FAMILY CHART. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	Original	PDF	L3914A/16A ST3917A/B L3914A/16A/ST3917A/B L3914A/16A ST3917A/B. ST3917A/B 2sA1013 equivalent One-chip telephone IC AN849-11 ST3917A Softswitch L3916A 20k trimmer multi turn datasheet AN849 circuit diagram of keypad interface with dtmf L3917
"tone generator" low power Abstract: TEA7540DP mk53761 dialer Telephone Dialer Circuit MEMORY LED Function Telephone Dialer Circuit l3916a LS1240D1 M3541B1 Text: TELECOM AND DATA COMMUNICATIONS TELEPHONE SET SPEECH CIRCUITS Type L3280 L3281AB L3281AD1 LS156 LS256 LS656AB LS656AD1 Description Very Low Drop Speech Circuit Very Low Drop Speech Circuit Very Low Drop Speech Circuit Speech Circuit With MF Interface for Piezoceramic Transducers	Original	PDF	L3280 L3281AB L3281AD1 LS156 LS256 LS656AB LS656AD1 DIP14 DIP16 "tone generator" low power TEA7540DP mk53761 dialer Telephone Dialer Circuit MEMORY LED Function Telephone Dialer Circuit l3916a LS1240D1 M3541B1
S020L Abstract: operational amplifier ROM SOT s0918 LS404CM tea7532fp LS1241 PLCC32 ETC5040FN ETC5057FN Text: /= T SGS-THOMSON SURFACE MOUNT DEVICES Ä 7# mosmiiliiotoimoéi TELECOM AND DATA COMMUNICATIONS INTEGRATED CIRCUITS Type Description ETC5040FN ETC5054FN ETC5057FN ETC5064FN ETC5067FN L3030 LS1240 LS1240A LS1241 LS156 LS204CM.M LS404CM.M LS656 MK5025 TEA7531FP	OCR Scan	PDF	ETC5040FN PLCC20 ETC5054FN ETC5057FN ETC5064FN ETC5067FN S020L operational amplifier ROM SOT s0918 LS404CM tea7532fp LS1241 PLCC32
ic 1240A Abstract: No abstract text available Text: f Z 7 SCS-THOMSON LSI 240 LS1240A Ä 7# ELECTRONIC TWO - TONE RINGER • LOW CURRENT CONSUMPTION, IN ORDER TO ALLO W THE PARALLEL OPERATION OF 4 DEVICES ■ INTEGRATED RECTIFIER BRIDGE WITH ZENER DIODES TO PROTECT AG AINST OVER VOLTAGES ■ LITTLE EXTERNAL CIRCUITRY	OCR Scan	PDF	LS1240A LS1240 LS1240A LS1240. LS1240/LS1240A LS1240A. ic 1240A
14k2 Abstract: ls1240a Text: LS1240A ELECTRONIC TWO - TONE RINGER • LOW CURRENT CONSUMPTION, IN ORDER TO ALLOW THE PARALLEL OPERATION OF 4 DEVICES ■ INTEGRATED RECTIFIER BRIDGE WITH ZENER DIODES TO PROTECT AGAINST OVERVOLTAGES ■ LITTLE EXTERNAL CIRCUITRY ■ TONE AND SWITCHING FREQUENCIES AD	OCR Scan	PDF	LS1240A LS1240A 14k2
Untitled Abstract: No abstract text available Text: /^7 SCS-THOMSON L S 1240 LS1240A ELECTRONIC TWO - TONE RINGER • LOW CURRENT CONSUMPTION, IN ORDER TO ALLOW THE PARALLEL OPERATION OF 4 DEVICES ■ INTEGRATED RECTIFIER BRIDGE WITH ZENER DIODES TO PROTECT AGAINST OVERVOLTAGES ■ LITTLE EXTERNAL CIRCUITRY	OCR Scan	PDF	LS1240A LS1240A LS1240. LS1240 100nF LS1240/LS1240A LS1240
1240a Abstract: ic 1240A Text: R C H I I - D S E M IC O N D U C T O R tm LS1240A Octal 3-STATE Bus Driver Features • A dvanced oxide-isolated, ion-im planted S chottky TT L process Connection Diagram Function Table 1 1A1 — 2 19 — 2G 2Y4 — 3 18 — 1Y1 ■ Low pow er dissipation version o f th e D M 74ALS240, 241	OCR Scan	PDF	DM74ALS1240A DM74ALS1240A 1240a ic 1240A
TDA0161 equivalent Abstract: 1N3393 BDX54F equivalent byt301000 bux transient voltage suppressor ST90R9 ua776mh sgs 2n3055 Transistor morocco mje13007 inmos transputer reference manual Text: SHORTFORM 1995 NOVEMBER 1994 USE IN LIFE SUPPORT DEVICES OR SYSTEMS MUST BE EXPRESSLY AUTHORIZED SGS-THOMSON PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF SGS-THOMSON Microelectronics. As used herein:	OCR Scan	PDF
12J5 Abstract: 74ALS DM74ALS1240A DM74ALS1240AN DM74ALS1240AWM ALS240 DM74ALS240 Text: S E M IC O N D U C T O R tm LS1240A Octal 3-STATE Bus Driver Features • Advanced oxide-isolated, ion-im planted S c h o ttk y T T L process Connection Diagram Function Table ’LS1240A 20 — Vcc 1G — 1 1A1 — 2 19 — 2G 2Y4 — 3 18 — 1Y1 U	OCR Scan	PDF	DM74ALS1240A ALS240 ALS241. ALS1240 DM74ALS1240AWM DM74ALS1240AN 12J5 74ALS DM74ALS1240A DM74ALS240

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LS1240A Datasheets (13)

LS1240A Datasheets Context Search

utc 1240 a

utc ls1240

LS1240A

loud speaker

LS1240AL

LS1240

utc 1240 a

1240a

Untitled

LS1240Al

loud speaker

LS1240

Untitled

LS1240

TEA7052DP

2sA1013 equivalent

"tone generator" low power

S020L

ic 1240A

14k2

Untitled

1240a

TDA0161 equivalent

12J5