LS1240
Wing Shing Computer Components
282.80kb
Electronic two-tone ringer. LS1240A is a monolithic integrated circuit designed to replace the mechanical bell in telephone sets in connection with an electro-ac
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LS124 - General Purpose
(Micross)
LS124 MONOLITHIC DUAL NPN TRANSISTOR
Linear Systems replaces discontinued Intersil IT124
The LS124 is a monolithic pair of Super-Beta NPN transistors.
LS1240 - ELECTRONIC TWO - TONE RINGER
(STMicroelectronics)
®
LS1240A
ELECTRONIC TWO - TONE RINGER
. . . . .
LOW CURRENT CONSUMPTION, IN ORDER TO ALLOW THE PARALLEL OPERATION OF 4 DEVICES INTEGRATED RECTIFIE.
LS1240 - Octal 3-STATE Bus Driver
(Fairchild Semiconductor)
DM74ALS1240A Octal 3-STATE Bus Driver
September 1986 Revised February 2000
DM74ALS1240A Octal 3-STATE Bus Driver
General Description
These octal 3-S.
LS1240A - ELECTRONIC TWO - TONE RINGER
(STMicroelectronics)
®
LS1240A
ELECTRONIC TWO - TONE RINGER
. . . . .
LOW CURRENT CONSUMPTION, IN ORDER TO ALLOW THE PARALLEL OPERATION OF 4 DEVICES INTEGRATED RECTIFIE.
LS1240A - Electronic Two-Tone Ringer
(Wing Shing Computer Components)
LS1240A
Electronic Two-Tone Ringer
. . . . .
LOW CURRENT CONSUMPTION, IN ORDER TO ALLOW THE PARALLEL OPERATION OF 4 DEVICES INTEGRATED RECTIFIER BR.
LS1240A - ELECTRONIC TONE RINGER
(UTC)
UNISONIC TECHNOLOGIES CO., LTD
LS1240A
LINEAR INTEGRATED CIRCUIT
ELECTRONIC TONE RINGER WITH BUILT-IN BRIDGE RECTIFIER
DESCRIPTION
The UTC LS124.
LS1240ACP - Single-Chip Electronic Ringer
(TGS)
TIGER ELECTRONIC CO.,LTD
LS1240ACP
1.
LS1240ACP
DIP8
2.
2. 1
8
7
6
5
1
2
3
4
TIGER ELECTRONIC CO.,LTD
LS1240ACP
2. 2
1
INLINE
2
GND
3
.
LS1240AD1 - ELECTRONIC TWO - TONE RINGER
(STMicroelectronics)
®
LS1240A
ELECTRONIC TWO - TONE RINGER
. . . . .
LOW CURRENT CONSUMPTION, IN ORDER TO ALLOW THE PARALLEL OPERATION OF 4 DEVICES INTEGRATED RECTIFIE.
LS1240AD1 - Electronic Two-Tone Ringer
(Wing Shing Computer Components)
LS1240A
Electronic Two-Tone Ringer
. . . . .
LOW CURRENT CONSUMPTION, IN ORDER TO ALLOW THE PARALLEL OPERATION OF 4 DEVICES INTEGRATED RECTIFIER BR.
LS1241 - Electronic Two Tone Ringer
(ST Microelectronics)
.