74F646 Datasheet, PDF (3/16 Pages) NXP Semiconductors – Octal transceiver/register, non-inverting 3-State

Philips Semiconductors
Transceivers/registers
PIN CONFIGURATION
74F646/646A
CPAB ¹
SAB ²
DIR ³
A0 ⁴
A1 ⁵
A2 6
A3 7
A4 8
A5 9
A6 10
A7 ¹¹
GND 12
24 _VCC
23 _CPBA
22 _SBA
21 _OE
20 B0
19 B1
18 B2
17 B3
16 B4
15 B5
14 B6
13 B7
SF00386
LOGIC SYMBOL
74F646/646A
4 5 6 7 8 9 10 11
A0 A1 A2 A3 A4 A5 A6 A7
1
CPAB
2
SAB
3
DIR
23
CPBA
22
SBA
21
OE
B0 B1 B2 B3 B4 B5 B6 B7
V_CC = Pin 24
GND = Pin 12
20 19 18 17 16 15 14 13
SF00387
Product specification
74F646/A/74F648/A
IEC/IEEE SYMBOL
74F646/646A
21
G3
3
3 EN1 [BA]
3 EN2 [AB]
23
C4
22
G5
1
C6
2
G7
4
1
5
4D
1
51
6D
7
1
5
17
2
6
7
8
9
/
10
11
20
19
18
17
16
15
14
13
SF00388
LOGIC DIAGRAM
21
OE
DIR3
23
CPBA
22
CSPBAAB1
2
SAB
74F646/646A
I of 8 channels
1D
C1
4
A0
1D
C1
20
B0
V_CC = Pin 24
GND = Pin 12
to 7 other channels
SF00393
1990 Sep 25
3