74abt16374b NXP Semiconductors, 74abt16374b Datasheet - Page 4

• Manufacturer Part Number: 74abt16374b
• Description: 16-bit D-type Flip-flop; Positive-edge Trigger 3-state
• Manufacturer: NXP Semiconductors

Philips Semiconductors
LOGIC SYMBOL
LOGIC DIAGRAM
FUNCTION TABLE
H = HIGH voltage level
h = HiIGH voltage level one set-up time prior to the HIGH-to-LOW E transition
L = LOW voltage level
l
NC= No change
X = Don’t care
Z = High-impedance “off” state
2004 Mar 08
16-bit D-type flip-flop; positive-edge trigger
(3-State)
= LOW voltage level one set-up time prior to the HIGH-to-LOW E transition
= LOW-to-HIGH clock transition
= Not a LOW-to-HIGH clock transition
nOE
H
H
L
L
L
nOE
nCP
48
24
25
1
INPUTS
nCP
1CP
1OE
2CP
2OE
1Q0 1Q1 1Q2
1D0 1D1 1D2 1D3
2D0 2D21 2D2 2D3
2Q0 2Q1 2Q2 2Q3
47
13
36
2
nD0
46
35
14
3
D
CP Q
44
16
33
5
1Q3
nDx
nDx
43
32
17
6
nQ0
h
X
X
l
1Q4 1Q5 1Q6
1D4 1D5 1D6 1D7
2Q4 2Q5 2Q6 2Q7
2D4 2D5 2D6 2D7
nD1
41
30
19
8
D
CP Q
40
29
20
9
SH00078
38
11
27
22
nQ1
INTERNAL
REGISTER
1Q7
37
12
26
23
nD2
nDx
NC
NC
H
L
D
CP Q
nQ2
nD3
D
CP Q
nQ0 – nQ7
OUTPUTS
4
nQ3
NC
LOGIC SYMBOL (IEEE/IEC)
H
L
Z
Z
nD4
D
CP Q
1OE
2OE
1CP
2CP
1D0
1D1
1D2
1D3
1D4
1D5
1D6
1D7
2D0
2D1
2D2
2D3
2D4
2D5
2D6
2D7
nQ4
48
24
25
47
46
44
43
41
40
38
37
36
35
33
32
30
29
27
26
nD5
1
Load and read register
Hold
Disable outputs
D
CP Q
nQ5
1EN
2EN
1D
2D
C1
C2
nD6
OPERATING MODE
OPERATING MODE
D
CP Q
SH00077
1
2
nQ6
74ABT16374B
nD7
D
CP Q
11
12
13
14
16
17
19
20
22
23
2
3
5
6
8
9
nQ7
1Q0
1Q1
1Q2
1Q3
1Q4
1Q5
1Q6
1Q7
2Q0
2Q1
2Q2
2Q3
2Q4
2Q5
2Q6
2Q7
Product data
SA00327