74HCT166DB View Datasheet(PDF) - Philips Electronics
Part Name
Description
Manufacturer
74HCT166DB Datasheet PDF : 10 Pages
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Philips Semiconductors
8-bit parallel-in/serial-out shift register
Product specification
74HC/HCT166
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
UNIT
−40 to +125
VCC
(V)
WAVEFORMS
min. typ. max. min. max. min. max.
tPHL/ tPLH
tPHL
tTHL/ tTLH
propagation delay
CP to Q7
propagation delay
MR to Q7
output transition time
23 40
50
60 ns 4.5 Fig.7
22 40
50
60 ns 4.5 Fig.8
7 15
19
22 ns 4.5 Fig.7
tW
clock pulse width
20 9
HIGH or LOW
25
30
ns 4.5 Fig.7
tW
master reset pulse width 25 11
31
38
ns 4.5 Fig.8
LOW
trem
removal time
MR to CP
0 −7
0
0
ns 4.5 Fig.8
tsu
set-up time
Dn, CE to CP
16 8
20
24
ns 4.5 Fig.9
tsu
set-up time
PE to CP
30 15
38
45
ns 4.5 Fig.8
th
hold time
Dn, CE to CP
0 −3
0
0
ns 4.5 Fig.9
th
hold time
PE to CP
0 −13
0
0
ns 4.5 Fig.9
fmax
maximum clock pulse
width
25 45
20
17
MHz 4.5 Fig.7
December 1990
8
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