74HC368 查看數據表（PDF） - Philips Electronics
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74HC368 Datasheet PDF : 7 Pages
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Philips Semiconductors
Hex buffer/line driver; 3-state; inverting
Product specification
74HC/HCT368
DC CHARACTERISTICS FOR 74HCT
For the DC characteristics see “74HC/HCT/HCU/HCMOS Logic Family Specifications”.
Output capability: bus driver
ICC category: MSI
Note to HCT types
The value of additional quiescent supply current (∆ICC) for a unit load of 1 is given in the family specifications.
To determine ∆ICC per input, multiply this value by the unit load coefficient shown in the table below.
INPUT
1OE
2OE
nA
UNIT LOAD COEFFICIENT
1.00
0.90
1.00
AC CHARACTERISTICS FOR 74HCT
GND = 0 V; tr = tf = 6 ns; CL = 50 pF
Tamb (°C)
TEST CONDITIONS
SYMBOL
PARAMETER
74HCT
+25
−40 to +85
−40 to +125
UNIT
VCC
(V)
WAVEFORMS
min. typ. max. min. max. min. max.
tPHL/ tPLH propagation delay
nA to nY
13 24
30
36 ns 4.5 Fig.6
tPZH/ tPZL 3-state output enable time
17 35
44
53 ns 4.5 Fig.7
nOE to nY
tPHZ/ tPLZ 3-state output disable time
20 35
44
53 ns 4.5 Fig.7
nOE to nY
tTHL/ tTLH output transition time
5 12
15
18 ns 4.5 Fig.6
December 1990
6
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