Datasheet

54ACT16841, 74ACT16841
20-BIT BUS-INTERFACE D-TYPE LATCHES
WITH 3-STATE OUTPUTS
SCAS174A – MAY 1991 – REVISED APRIL 1996
2
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
description (continued)
The 74ACT16841 is packaged in TI’s shrink small-outline package (DL), which provides twice the I/O pin count
and functionality of standard small-outline packages in the same printed-circuit-board area.
The 54ACT16841 is characterized for operation over the full military temperature range of –55°C to 125°C. The
74ACT16841 is characterized for operation from –40°C to 85°C.
FUNCTION TABLE
(each 10-bit latch)
INPUTS
OUTPUT
OE LE D
Q
L H H H
L HL L
L LX Q
0
H X X Z
logic symbol
†
EN2
1
C1
56
1LE
1D
55
1D1
54
1D2
52
1D3
51
1D4
49
1D5
1Q1
2
1Q2
3
1Q3
5
1Q4
6
1Q5
8
48
1D6
47
1D7
45
1D8
44
1D9
43
1D10
1Q6
9
1Q7
10
1Q8
12
1Q9
13
1Q10
14
3D
42
2D1
41
2D2
40
2D3
38
2D4
37
2D5
2Q1
15
2Q2
16
2Q3
17
2Q4
19
2Q5
20
36
2D6
34
2D7
33
2D8
31
2D9
30
2D10
2Q6
21
2Q7
23
2Q8
24
2Q9
26
2Q10
27
EN4
28
C3
29
2LE
1OE
2OE
2
4
†
This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12.