74HCT75 데이터 시트보기 (PDF) - Philips Electronics
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74HCT75 Datasheet PDF : 7 Pages
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Philips Semiconductors
Quad bistable transparent latch
Product specification
74HC/HCT75
DC CHARACTERISTICS FOR 74HCT
For the DC characteristics see “74HC/HCT/HCU/HCMOS Logic Family Specifications”.
Output capability: standard
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
nD
LEn-n
UNIT LOAD COEFFICIENT
0.75
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)
min. typ. max. min. max. min. max.
WAVEFORMS
tPHL/ tPLH
tPHL/ tPLH
tPHL/ tPLH
tPHL/ tPLH
tTHL/ tTLH
propagation delay
nD to nQ
propagation delay
nD to nQ
propagation delay
LEn-n to nQ
propagation delay
LEn-n to nQ
output transition time
15 28
35
42 ns 4.5 Fig.6
15 28
35
42 ns 4.5 Fig.7
13 28
35
42 ns 4.5 Fig.8
15 30
38
45 ns 4.5 Fig.8
7 15
19
22 ns 4.5 Figs 6 and 7
tW
enable pulse width
16 4
HIGH
20
24
tsu
set-up time
nD to LEn-n
th
hold time
nD to LEn-n
12 4
15
18
3 −2
3
3
ns 4.5 Fig.8
ns 4.5 Fig.9
ns 4.5 Fig.9
December 1990
6
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