74F674 Datasheet, PDF (2/5 Pages) NXP Semiconductors – 16-bit serial/parallel-in, serial-out shift register 3-State

Philips Semiconductors
16-bit serial/parallel-in, serial-out shift register (3-State)
Product specification
74F674
LOGIC SYMBOL
7 8 9 10 11 13 14 15 16 17 18 19 20 21 22 23
D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 D12 D13 D14 D15
1
CS
2
CP
3
R/W
5
M
SO
V_CC = Pin 24
GND = Pin 12
6
SF01189
FUNCTION TABLE
CONTROL INPUTS
CS R/W M CP
SI/O
STATUS
OPERATING
MODE
H
X
X
X
High Z Hold
L
L
X
↓
Data in Serial load
L
H
L
↓
Data out
Serial output with
recirculation
L
H
H
↓
Active
Parallel load;
no shifting
H = High voltage level
L = Low voltage level
X = Don’t care
↓ = High-to-Low transition of designed input
LOGIC DIAGRAM
M5
LOGIC SYMBOL (IEEE/IEC)
SRG16
5
0
1
M
0
3
3
& EN
1
&
2
C4(0/1/2)
7
3, 4D
8
3, 4D
9
10
11
13
14
15
16
17
18
19
20
21
22
23
3, 4D
3, 4D
6
SF01190
D0–D15 (7–11, 13–23)
V_CC = Pin 24
GND = Pin 12
CS ¹
CP ²
3
R/W
PE
D0–D15
Q0
Q15
CP
6 _SI/O
SF01191
1989 Feb 05
2