參數(shù)資料
型號: 933670860652
廠商: NXP SEMICONDUCTORS
元件分類: 總線收發(fā)器
英文描述: HCT SERIES, OCTAL 1-BIT DRIVER, TRUE OUTPUT, PDIP20
封裝: PLASTIC, DIP-20
文件頁數(shù): 5/8頁
文件大小: 59K
代理商: 933670860652
December 1990
5
Philips Semiconductors
Product specication
Octal D-type ip-op; positive edge-trigger;
3-state
74HC/HCT374
DC CHARACTERISTICS FOR 74HC
For the DC characteristics see
“74HC/HCT/HCU/HCMOS Logic Family Specifications”.
Output capability: bus driver
ICC category: MSI
AC CHARACTERISTICS FOR 74HC
GND = 0 V; tr =tf = 6 ns; CL =50pF
SYMBOL
PARAMETER
Tamb (°C)
UNIT
TEST CONDITIONS
74HC
VCC
(V)
WAVEFORMS
+25
40 to +85 40 to +125
min.
typ.
max. min. max. min.
max.
tPHL/ tPLH
propagation delay
CP to Qn
50
18
14
165
33
28
205
41
35
250
50
43
ns
2.0
4.5
6.0
Fig.6
tPZH/ tPZL
3-state output enable time
OE to Qn
41
15
12
150
30
26
190
38
33
225
45
38
ns
2.0
4.5
6.0
Fig.7
tPHZ/ tPLZ
3-state output disable time
OE to Qn
50
18
14
150
30
26
190
38
33
225
45
38
ns
2.0
4.5
6.0
Fig.7
tTHL/ tTLH
output transition time
14
5
4
60
12
10
75
15
13
90
18
15
ns
2.0
4.5
6.0
Fig.6
tW
clock pulse width
HIGH or LOW
80
16
14
19
7
6
100
20
17
120
24
20
ns
2.0
4.5
6.0
Fig.6
tsu
set-up time
Dn to CP
60
12
10
14
5
4
75
15
13
90
18
15
ns
2.0
4.5
6.0
Fig.8
th
hold time
Dn to CP
5
6
2
5
ns
2.0
4.5
6.0
Fig.8
fmax
maximum clock pulse
frequency
6.0
30
35
23
70
83
4.8
24
28
4.0
20
24
MHz
2.0
4.5
6.0
Fig.6
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