參數(shù)資料
型號: 933670910652
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): 5/7頁
文件大?。?/td> 49K
代理商: 933670910652
December 1990
5
Philips Semiconductors
Product specication
Octal buffer/line driver; 3-state
74HC/HCT541
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 = 50 pF
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
An to Yn
33
12
10
115
23
20
145
29
25
175
35
30
ns
2.0
4.5
6.0
Fig.6
tPZH/ tPZL
3-state output
enable time
OE to Yn
55
20
16
160
32
27
200
40
34
240
48
41
ns
2.0
4.5
6.0
Fig.7
tPHZ/ tPLZ
3-state output
disable time
OE to Yn
61
22
18
160
32
27
200
40
34
240
48
41
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
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