參數(shù)資料
型號: 74HCU
廠商: NXP Semiconductors N.V.
英文描述: HCMOS family characteristics
中文描述: HCMOS家庭特征
文件頁數(shù): 8/19頁
文件大?。?/td> 88K
代理商: 74HCU
March 1988
8
Philips Semiconductors
HCMOS family characteristics
FAMILY SPECIFICATIONS
AC CHARACTERISTICS FOR 74HC
GND = 0 V; t
r
= t
f
= 6 ns; C
L
= 50 pF
AC CHARACTERISTICS FOR 74HCU
GND = 0 V; t
r
= t
f
= 6 ns; C
L
= 50 pF
AC CHARACTERISTICS FOR 74HCT
GND = 0 V; t
r
= t
f
= 6 ns; C
L
= 50 pF
SYMBOL PARAMETER
T
amb
(
°
C)
UNIT
TEST CONDITIONS
74HC
V
CC
(V)
WAVEFORMS
+
25
40 to
+
85
40 to
+
125
min. typ. max. min.
max. min.
max.
t
THL
/ t
TLH
output transition time
standard outputs
19
7
6
14
5
4
75
15
13
60
12
10
95
19
16
75
15
13
110
22
19
90
18
15
ns
2.0
4.5
6.0
2.0
4.5
6.0
Figs 3 and 4
t
THL
/ t
TLH
output transition time
bus driver outputs
ns
Figs 3 and 4
SYMBOL PARAMETER
T
amb
(
°
C)
UNIT
TEST CONDITIONS
74HCU
V
CC
(V)
WAVEFORMS
+
25
40 to
+
85
40 to
+
125
min. typ. max. min.
max. min.
max.
t
THL
/ t
TLH
output transition time
19
7
6
75
15
13
95
19
16
110
22
19
ns
2.0
4.5
6.0
Fig.1
SYMBOL PARAMETER
T
amb
(
°
C)
UNIT
TEST CONDITIONS
74HCT
V
CC
(V)
WAVEFORMS
+
25
40 to
+
85
40 to
+
125
min. typ. max. min.
max. min.
max.
t
THL
/ t
TLH
output transition time
standard outputs
output transition time
bus driver outputs
7
15
19
22
ns
4.5
Figs 8 and 9
t
THL
/ t
TLH
5
12
15
18
ns
4.5
Figs 8 and 9
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