參數(shù)資料
型號(hào): HEF4508BP
廠商: NXP SEMICONDUCTORS
元件分類: 通用總線功能
英文描述: Dual 4-bit latch
中文描述: 4000/14000/40000 SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, PDIP24
封裝: PLASTIC, SOT-101-1, DIP-24
文件頁(yè)數(shù): 3/9頁(yè)
文件大?。?/td> 107K
代理商: HEF4508BP
January 1995
3
Philips Semiconductors
Product specification
Dual 4-bit latch
HEF4508B
MSI
PINNING
FUNCTION TABLE
Notes
1.
H = HIGH state (the more positive voltage)
L = LOW state (the less positive voltage)
X = state is immaterial
Z = high impedance OFF state
HEF4508BP(N):
24-lead DIL; plastic
(SOT101-1)
24-lead DIL; ceramic (cerdip)
(SOT94)
24-lead SO; plastic
(SOT137-1)
HEF4508BD(F):
HEF4508BT(D):
( ): Package Designator North America
D
0A
to D
3A
, D
0B
to D
3B
ST
A
, ST
B
MR
A
, MR
B
EO
A
, EO
B
O
0A
to O
3A
, O
0B
to O
3B
data inputs
strobe inputs
master reset inputs
output enable inputs
3-state outputs
INPUTS
OUTPUT
MR
ST
EO
D
n
H
L
X
X
X
O
n
H
L
L
L
L
H
X
H
H
L
X
X
L
L
L
L
H
latched
L
Z
Fig.2 Pinning diagram.
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