參數(shù)資料
型號: HEF4014BN
廠商: NXP Semiconductors N.V.
英文描述: 8-bit static shift register
中文描述: 8位靜態(tài)移位寄存器
文件頁數(shù): 4/6頁
文件大小: 89K
代理商: HEF4014BN
January 1995
4
Philips Semiconductors
Product specification
8-bit static shift register
HEF4014B
MSI
PINNING
FUNCTION TABLES
Serial operation
PE
P
0
to P
7
D
S
CP
O
5
to O
7
parallel enable input
parallel data inputs
serial data input
clock input (LOW to HIGH edge-triggered)
buffered parallel outputs from the last three
stages
n
INPUTS
OUTPUTS
CP
D
S
PE
O
5
O
6
O
7
1
D
1
L
X
X
X
2
D
2
L
X
X
X
3
D
3
L
X
X
X
6
X
L
D
1
X
X
7
X
L
D
2
D
1
X
8
X
L
D
3
D
2
D
1
X
X
no change
Parallel operation
Notes
1.
H = HIGH state (the more positive voltage)
L = LOW state (the less positive voltage)
X = state is immaterial
= positive-going transition
= negative-going transition
D
n
= either HIGH or LOW
n = number of clock pulse transitions
n
INPUTS
OUTPUTS
CP
D
S
PE
O
5
O
6
O
7
1
X
H
P
5
P
6
P
7
X
X
no change
AC CHARACTERISTICS
V
SS
= 0 V; T
amb
= 25
°
C; C
L
= 50 pF; input transition times
20 ns
V
DD
V
TYPICAL FORMULA FOR P (
μ
W)
Dynamic power
dissipation per
package (P)
5
900 f
i
+ ∑
(f
o
C
L
)
×
V
DD2
4 300 f
i
+ ∑
(f
o
C
L
)
×
V
DD2
12 000 f
i
+ ∑
(f
o
C
L
)
×
V
DD2
where
f
i
= input freq. (MHz)
f
o
= output freq. (MHz)
C
L
= load cap. (pF)
(f
o
C
L
) = sum of outputs
V
DD
= supply voltage (V)
10
15
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