Datasheet

74AHC_AHCT164_3 © NXP B.V. 2008. All rights reserved.
Product data sheet Rev. 03 — 24 April 2008 8 of 18
NXP Semiconductors
74AHC164; 74AHCT164
8-bit serial-in/parallel-out shift register
10. Dynamic characteristics
Table 7. Dynamic characteristics
Voltages are referenced to GND (ground = 0 V); for test circuit see Figure 10.
Symbol Parameter Conditions 25 °C −40 °C to +85 °C −40 °C to +125 °C Unit
Min Typ
[1]
Max Min Max Min Max
74AHC164
t
pd
propagation
delay
CP to Qn; see Figure 7
[2]
V
CC
= 3.0 V to 3.6 V
C
L
= 15 pF - 6.5 12.8 1.0 15.0 1.0 16.0 ns
C
L
= 50 pF - 9.3 16.3 1.0 18.5 1.0 20.5 ns
V
CC
= 4.5 V to 5.5 V
C
L
= 15 pF - 4.5 9.0 1.0 10.5 1.0 11.5 ns
C
L
= 50 pF - 6.4 11.0 1.0 12.5 1.0 14.0 ns
MR to Qn; see Figure 8
[3]
V
CC
= 3.0 V to 3.6 V
C
L
= 15 pF - 5.3 12.8 1.0 15.0 1.0 16.0 ns
C
L
= 50 pF - 7.6 16.3 1.0 18.5 1.0 20.5 ns
V
CC
= 4.5 V to 5.5 V
C
L
= 15 pF - 4.0 8.6 1.0 10.0 1.0 11.0 ns
C
L
= 50 pF - 5.8 10.6 1.0 12.0 1.0 13.5 ns
f
max
maximum
frequency
see Figure 7
V
CC
= 3.0 V to 3.6 V
C
L
= 15 pF 80 125 - 65 - 50 - MHz
C
L
= 50 pF 50 75 - 45 - 35 - MHz
V
CC
= 4.5 V to 5.5 V
C
L
= 15 pF 125 175 - 105 - 85 - MHz
C
L
= 50 pF 85 115 - 75 - 65 - MHz
t
W
pulse width CP HIGH or LOW;
see
Figure 7
V
CC
= 3.0 V to 3.6 V 5.0 - - 5.0 - 5.0 - ns
V
CC
= 4.5 V to 5.5 V 5.0 - - 5.0 - 5.0 - ns
t
WL
pulse width
LOW
MR; see Figure 8
V
CC
= 3.0 V to 3.6 V 5.0 - - 5.0 - 5.0 - ns
V
CC
= 4.5 V to 5.5 V 5.0 - - 5.0 - 5.0 - ns
t
su
set-up time DSA, DSB to CP;
see
Figure 9
V
CC
= 3.0 V to 3.6 V 5.0 - - 6.0 - 6.0 - ns
V
CC
= 4.5 V to 5.5 V 4.5 - - 4.5 - 4.5 - ns
t
h
hold time DSA, DSB to CP;
see
Figure 9
V
CC
= 3.0 V to 3.6 V 1.5 - - 1.5 - 1.5 - ns
V
CC
= 4.5 V to 5.5 V 2.0 - - 2.0 - 2.0 - ns