Datasheet

SN75ALS1177, SN75ALS1178
DUAL DIFFERENTIAL DRIVERS AND RECEIVERS
SLLS154B – MARCH 1993 – REVISED FEBRUARY 2001
3
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
logic diagram (positive logic)
2R
2D
1R
1D
RE
DE
SN75ALS1177 SN75ALS1178
1Y
1Z
1A
1B
2Y
2Z
2A
2B
12
4
15
3
9
5
14
13
2
1
10
11
6
7
4
15
3
12
9
5
14
13
2
1
10
11
6
7
2R
2D
1R
1D
1DE
2DE
1Y
1Z
1A
1B
2Y
2Z
2A
2B
equivalent schematics
EQUIVALENT OF RECEIVER INPUTEQUIVALENT OF DRIVER OR ENABLE INPUT
Input
V
CC
Input
V
CC
35 kΩ NOM
17 kΩ
NOM
1.7 kΩ
NOM
288 kΩ
NOM
V
CC
(A)
or
GND (B)
GND
1.7 kΩ
NOM