Datasheet

74HC_HCT165_3 © NXP B.V. 2008. All rights reserved.
Product data sheet Rev. 03 — 14 March 2008 8 of 22
NXP Semiconductors
74HC165; 74HCT165
8-bit parallel-in/serial out shift register
11. Dynamic characteristics
Table 7. Dynamic characteristics
GND (ground = 0 V); C
L
= 50 pF unless otherwise specified; for test circuit, see Figure 12
Symbol Parameter Conditions 25 °C −40 °C to +85 °C −40 °C to +125 °C Unit
Min Typ Max Min Max Min Max
74HC165
t
pd
propagation
delay
CP or CE to Q7, Q7;
see
Figure 7
[1]
V
CC
= 2.0 V - 52 165 - 205 - 250 ns
V
CC
= 4.5 V - 19 33 - 41 - 50 ns
V
CC
= 6.0 V - 15 28 - 35 - 43 ns
V
CC
= 5.0 V; C
L
=15pF - 16 - - - - - ns
PL to Q7, Q7; see Figure 8
V
CC
= 2.0 V - 50 165 - 205 - 250 ns
V
CC
= 4.5 V - 18 33 - 41 - 50 ns
V
CC
= 6.0 V - 14 28 - 35 - 43 ns
V
CC
= 5.0 V; C
L
=15pF - 15 - - - - - ns
D7 to Q7,
Q7; see Figure 9
V
CC
= 2.0 V - 36 120 - 150 - 180 ns
V
CC
= 4.5 V - 13 24 - 30 - 36 ns
V
CC
= 6.0 V - 10 20 - 26 - 31 ns
V
CC
= 5.0 V; C
L
=15pF - 11 - - - - - ns
t
t
transition
time
Q7, Q7 output; see Figure 7
[2]
V
CC
= 2.0 V - 19 75 - 95 - 110 ns
V
CC
= 4.5 V - 7 15 - 19 - 22 ns
V
CC
= 6.0 V - 6 13 - 16 - 19 ns
t
W
pulse width CP input HIGH or LOW;
see
Figure 7
V
CC
= 2.0 V 80 17 - 100 - 120 - ns
V
CC
= 4.5 V 16 6 - 20 - 24 - ns
V
CC
= 6.0 V 14 5 - 17 - 20 - ns
PL input LOW; see Figure 8
V
CC
= 2.0 V 80 14 - 100 - 120 - ns
V
CC
= 4.5 V 16 5 - 20 - 24 - ns
V
CC
= 6.0 V 14 4 - 17 - 20 - ns
t
rec
recovery time PL to CP, CE; see Figure 8
V
CC
= 2.0 V 100 22 - 125 - 150 - ns
V
CC
= 4.5 V 20 8 - 25 - 30 - ns
V
CC
= 6.0 V 17 6 - 21 - 26 - ns