參數(shù)資料
型號(hào): 74HCT
廠商: NXP Semiconductors N.V.
英文描述: HCMOS family characteristics
中文描述: HCMOS家庭特征
文件頁(yè)數(shù): 5/19頁(yè)
文件大小: 88K
代理商: 74HCT
March 1988
5
Philips Semiconductors
HCMOS family characteristics
FAMILY SPECIFICATIONS
DC CHARACTERISTICS FOR 74HCT
Voltages are referenced to GND (ground = 0 V)
SYMBOL PARAMETER
T
amb
(
°
C)
UNIT
TEST CONDITIONS
74HCT
V
CC
(V)
V
I
OTHER
+
25
40 to
+
85
40 to
+
125
min.
typ.
max. min. max. min.
max.
V
IH
HIGH level input
voltage
2.0
1.6
2.0
2.0
V
4.5
to
5.5
4.5
to
5.5
4.5
V
IL
LOW level input
voltage
1.2
0.8
0.8
0.8
V
V
OH
HIGH level output
voltage
all outputs
HIGH level output
voltage
standard outputs
HIGH level output
voltage
bus driver outputs
LOW level output
voltage
all outputs
LOW level output
voltage
standard outputs
LOW level output
voltage
bus driver outputs
input leakage
current
4.4
4.5
4.4
4.4
V
V
IH
or
V
IL
V
IH
or
V
IL
V
IH
or
V
IL
V
IH
or
V
IL
V
IH
or
V
IL
V
IH
or
V
IL
V
CC
or
GND
V
IH
or
V
IL
I
O
= 20
μ
A
V
OH
3.98
4.32
3.84
3.7
V
4.5
I
O
= 4.0 mA
V
OH
3.98
4.32
3.84
3.7
V
4.5
I
O
= 6.0 mA
V
OL
0
0.1
0.1
0.1
V
4.5
I
O
= 20
μ
A
V
OL
0.15
0.26
0.33
0.4
V
4.5
I
O
= 4.0 mA
V
OL
0.16
0.26
0.33
0.4
V
4.5
I
O
= 6.0 mA
±
I
I
0.1
1.0
1.0
μ
A
5.5
±
I
OZ
3-state OFF-state
current
0.5
5.0
10.0
μ
A
5.5
V
O
= V
CC
or
GND per input
pin;
other inputs at
V
CC
or GND;
I
O
= 0
I
CC
quiescent supply
current
SSI
flip-flops
MSI
LSI
2.0
4.0
8.0
50.0
20.0
40.0
80.0
500
40.0
80.0
μ
A
5.5
5.5
5.5
5.5
V
CC
or
GND
I
O
= 0
I
O
= 0
I
O
= 0
I
O
= 0
160.0
1000
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