參數(shù)資料
型號(hào): HD74UH32
廠商: Hitachi,Ltd.
英文描述: 2-input OR Gate
中文描述: 2輸入或門(mén)
文件頁(yè)數(shù): 4/7頁(yè)
文件大?。?/td> 32K
代理商: HD74UH32
HD74UH32
4
Ta = 25
°
C
Ta = –40 to
85
°
C
Test Conditions
Item
Symbol
Min
Typ
Max
Min
Max
Unit
V
CC
2.0
Output rise/fall time
t
TLH
t
THL
50
125
155
ns
See Test circuit
14
25
31
4.5
12
21
26
6.0
Propagation delay time
t
PLH
t
PHL
48
100
125
ns
2.0
See Test circuit
12
20
25
4.5
9
17
21
6.0
Input capacitance
C
IN
C
PD
5
10
10
pF
Equivalent capacitance
(C
L
= 50 pF, t
r
= t
f
= 6 ns)
Note:
C
is equivalent capacitance inside of the IC calculated from the operating current without load (see
test circuit). The average operating current without load is calculated according to the expression
below.
I
CC
(opr) = C
PD
V
CC
f
IN
+ I
CC
10
Test Circuit
50
C
L
Input
Output
V
CC
Pulse
generator
Note:
Operating current test time, output is open.
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