74F657 Datasheet, PDF (3/12 Pages) NXP Semiconductors – Octal transceiver with 8-bit parit generator/checker

Philips Semiconductors
Octal transceiver with 8-bit parity generator/checker
Product specification
74F657
PIN CONFIGURATION
T/R 1
A0 2
A1 3
A2 4
A3 5
A4 6
V_CC 7
A5 8
A6 9
A7 10
ODD/EVEN 11
ERROR 12
24 OE
23 B0
22 B1
21 B2
20 B3
19 GND
18 GND
17 B4
16 B5
15 B6
14 B7
13 PARITY
SF00414
IEC/IEEE SYMBOL
24
G3
1
3 EN1/3G5 (REC)
11
3 EN2 (XMIT)
N4
2
1
23
Z11
3
4
5
6
8
9
10
2
22
21
20
17
16
15
14
11 2 k
.
4, 2
.
.
5
18
4, 1
13
12
SF00416
LOGIC SYMBOL
2 3 4 5 6 8 9 10
A0 A1 A2 A3 A4 A5 A6 A7
1
T/R
24
OE
11
ODD/EVEN
PARITY
13
ERROR 12
B0 B1 B2 B3 B4 B5 B6 B7
23 22 21 20 17 16 15 14
V_CC = Pin 7
GND = Pin 18, 19
SF00415
90 July 30
3