Datasheet

54ACT16861, 74ACT16861
20-BIT BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCAS197B – JUNE 1990 – REVISED NOVEMBER 1996
2
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
FUNCTION TABLE
(each 10-bit section)
INPUTS
OPERATION
OEAB
OEBA
OPERATION
L L
Latch A and B
(A = B)
L H A to B
H L B to A
H H Isolation
logic symbol
†
†
This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12.
1A2
54
1A3
52
1A4
51
1A5
49
1A6
48
1A7
47
1A8
45
1A9
44
2A1
42
2A2
41
2A3
40
2A4
38
2A5
37
2A6
36
2A7
34
2A8
33
2A9
31
2A10
30
1A10
43
1OEBA
1OEAB
2OEBA
2OEAB
EN1
56
1A1
55
1B1
2
1B2
3
1B3
5
1B4
6
1B5
8
EN2
1
EN3
29
EN4
28
1B6
9
1B7
10
1B8
12
1B9
13
11
1 2
2B1
15
2B2
16
2B3
17
2B4
19
2B5
20
2B6
21
2B7
23
2B8
24
2B9
26
31
14
2B10
27
1B10
14