參數(shù)資料
型號: HD74AC
廠商: Hitachi,Ltd.
英文描述: HD74AC Series Common Information
中文描述: HD74AC系列通用信息
文件頁數(shù): 21/52頁
文件大?。?/td> 220K
代理商: HD74AC
Definition of Specifications
20
Table 3 DC Characteristics for HD74AC Family Devices
Ta = +25
°
C
Ta = –40 to +85
°
C
Parameter
Symbol V
CC
(V) Typ
V
IH
3.0
4.5
Guaranteed Limit
Unit
Condition
Minimum
1.5
2.1
2.1
V
Vout = 0.1V or
High Level Input
2.25
3.15 3.15
V
CC
–0.1V
Voltage
5.5
2.75
3.85 3.85
Maximum
V
IL
3.0
1.5
0.9
0.9
V
Vout = 0.1 V or
Low Level Input
4.5
2.25
1.35 1.35
V
CC
–0.1V
Voltage
5.5
2.75
1.65 1.65
Maximum
V
OH
3.0
2.99
2.9
2.9
V
I
OUT
= –50
μ
A
High Level
4.5
4.49
4.4
4.4
Output Voltage
5.5
5.49
5.4
5.4
3.0
2.58 2.48
V
V
IN
= V
IL
or V
IH
–12 mA I
OH
–24 mA
*
1
–24 mA
4.5
3.94 3.80
5.5
4.94 4.80
Maximum
V
OL
3.0
0.002
0.1
0.1
V
I
OUT
= 50
μ
A
Low Level
4.5
0.001
0.1
0.1
Output Voltage
5.5
0.001
0.1
0.1
3.0
0.32 0.37
V
V
IN
= V
IL
or V
IH
12 mA I
OL
24 mA
*
1
24 mA
4.5
0.32 0.37
5.5
0.32 0.37
Maximum
Input Leakage
Current
I
IN
5.5
±
0.1
±
1.0
μ
A
V
I
= V
CC
, GND
Maximum
3-State
Current
I
OZ
5.5
±
0.5
±
5.0
μ
A
V
I
(OE) = V
IL
, V
IH
V
I
= V
CC
, V
V
O
= V
CC
, GND
V
OLD
= 1.1 V
Minimum
Dynamic Output
Current *
2
I
OLD
5.5
86
mA
I
OHD
5.5
–75
mA
V
OHD
= 3.85 V
Notes: 1. All outputs loaded; thresholds on input associated with output under test.
2. Maximum test duration 2.0 ms, one output loaded at a time.
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