參數(shù)資料
型號(hào): 74HC126
廠商: NXP Semiconductors N.V.
英文描述: Quad buffer/line driver; 3-state
中文描述: 四緩沖/線驅(qū)動(dòng)器;3態(tài);
文件頁數(shù): 5/6頁
文件大小: 40K
代理商: 74HC126
December 1990
5
Philips Semiconductors
Product specification
Quad buffer/line driver; 3-state
74HC/HCT126
DC CHARACTERISTICS FOR 74HCT
For the DC characteristics see
“74HC/HCT/HCU/HCMOS Logic Family Specifications”
.
Output capability: bus driver
I
CC
category: MSI
Note to HCT types
The value of additional quiescent supply current (
I
CC
) for a unit load of 1 is given in the family specifications.
To determine
I
CC
per unit, multiply this value by the unit load coefficient shown in the table below.
AC CHARACTERISTICS FOR 74HCT
GND = 0 V; t
r
= t
f
= 6 ns; C
L
= 50 pF
INPUT
UNIT LOAD COEFFICIENT
nA, nOE
1.00
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
PHL
/ t
PLH
propagation delay
nA to nY
3-state output
enable time
nOE to nY
3-state output
disable time
nOE to nY
output transition
time
14
24
30
36
ns
4.5
Fig.6
t
PZH
/ t
PZL
13
25
31
38
ns
4.5
Fig.7
t
PHZ
/ t
PLZ
18
28
35
42
ns
4.5
Fig.7
t
THL
/ t
TLH
5
12
15
18
ns
4.5
Fig.6
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參數(shù)描述
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