74hct4015n NXP Semiconductors, 74hct4015n Datasheet - Page 4

• Manufacturer Part Number: 74hct4015n
• Description: Dual 4-bit Serial-in/parallel-out Shift Register
• Manufacturer: NXP Semiconductors

Philips Semiconductors
FUNCTION TABLE
Notes
1. H = HIGH voltage level
APPLICATIONS
December 1990
1
2
3
4
Serial-to-parallel converter
Buffer stores
General purpose register
Dual 4-bit serial-in/parallel-out shift register
n
L = LOW voltage level
X = don’t care
n = number of clock pulse transitions
D
n
= LOW-to-HIGH clock transition
= HIGH-to-LOW clock transition
= either HIGH or LOW
X
nCP
INPUTS
D
D
D
D
X
X
Fig.4 Functional diagram.
nD
1
2
3
4
nMR nQ
L
L
L
L
L
H
D
D
D
D
L
1
2
3
4
0
X
D
D
D
L
nQ
OUTPUTS
1
2
3
no change
1
X
X
D
D
L
nQ
1
2
2
X
X
X
D
L
nQ
1
3
4
Fig.5
Logic diagram (one 4-bit
serial-in/parallel-out shift register).
74HC/HCT4015
Product specification