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PDF 74ACT8244TTR Data sheet ( Hoja de datos )
| Número de pieza | 74ACT8244TTR | |
| Descripción | RELAY DRIVER IC | |
| Fabricantes | STMicroelectronics | |
| Logotipo |  |
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® 74ACT8244
s OPERATES 4 LATCHING RELAIS, 1 SINGLE
SIDE STABLE RELAY AND 1 LED
s VERY LOW POWER CONSUMPTION
s TTL COMPATIBLE INPUT THRESHOLDS
s IMPROVED LATCH-UP IMMUNITY UP TO
300mA
s TSSOP-20 PACKAGE
DESCRIPTION
The device is a relais driver for line card
application. It is able to operate four latching
relais, one single side stable relay and one LED
connected either to GND or VCC. All the outputs
can be set to LOW with the RST input as shown
in the true table.
RELAY DRIVER IC
T
(TSSOP Package)
ORDER CODES :
74ACT8244TTR
PIN DESCRIPTION
PIN No
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
SYMBOL NAME AND FUNCTION
RST Master Reset
IN1A Input of 1st latched relay drv
IN1B Input of 1st latched relay drv
IN2A Input of 2nd latched relay drv
IN2B Input of 2nd latched relay drv
IN3A Input of 3rd latched relay drv
IN3B Input of 3rd latched relay drv
IN4 Input of 1st relay driver
IN5 Input LED driver
GND Ground
NC Not Connected
OUT5 Output of LED driver
OUT4 Output of 1st relay driver
OU3B Output 3rd latched relay drv
OU3A Output 3rd latched relay drv
OU2B Output 2nd latched relay drv
OU2A Output 2nd latched relay drv
OU1B Output 1st latched relay drv
OU1A Output 1st latched relay drv
VCC Supply Voltage
LOGIC DIAGRAM
November 1999
1/6
1 page  
DIM.
A
A1
A2
b
c
D
E
E1
e
K
L
74ACT8244
TSSOP20 MECHANICAL DATA
MIN.
0.05
0.85
0.19
0.09
6.4
6.25
4.3
0o
0.50
mm
TYP.
0.10
0.9
6.5
6.4
4.4
0.65 BSC
4o
0.60
MAX.
1.1
0.15
0.95
0.30
0.2
6.6
6.5
4.48
8o
0.70
MIN.
0.002
0.335
0.0075
0.0035
0.252
0.246
0.169
0o
0.020
inch
TYP.
0.004
0.354
0.256
0.252
0.173
0.0256 BSC
4o
0.024
MAX.
0.433
0.006
0.374
0.0118
0.0079
0.260
0.256
0.176
8o
0.028
A A2
A1 b
e
D
PIN 1 IDENTIFICATION
1
K
c
L
E
E1
5/6
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet 74ACT8244TTR.PDF ] | |
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