Datasheet

74HC_HCT597 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2014. All rights reserved.
Product data sheet Rev. 3 — 15 April 2014 9 of 23
NXP Semiconductors
74HC597; 74HCT597
8-bit shift register with input flip-flops
t
t
transition
time
see Figure 10
[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 STCP HIGH or LOW;
see Figure 8
V
CC
= 2.0 V 80 11 - 100 - 120 - ns
V
CC
= 4.5 V 16 4 - 20 - 24 - ns
V
CC
= 6.0 V 14 3 - 17 - 20 - ns
SHCP HIGH or 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
MR
LOW; see Figure 9
V
CC
= 2.0 V 80 22 - 100 - 120 - ns
V
CC
= 4.5 V 16 8 - 20 - 24 - ns
V
CC
= 6.0 V 14 6 - 17 - 20 - ns
PL
LOW; see Figure 10
V
CC
= 2.0 V 80 22 - 100 - 120 - ns
V
CC
= 4.5 V 16 8 - 20 - 24 - ns
V
CC
= 6.0 V 14 6 - 17 - 20 - ns
t
rec
recovery
time
MR to SHCP; see
Figure 11
V
CC
= 2.0 V 60 3 - 75 - 90 - ns
V
CC
= 4.5 V 12 1-15 - 18 - ns
V
CC
= 6.0 V 10 1-13 - 15 - ns
Table 7. Dynamic characteristics
…continued
Voltages are referenced to GND (ground = 0 V); C
L
= 50 pF unless otherwise specified; for test circuit, see Figure 14.
Symbol Parameter Conditions 25 C 40 C to +85 C 40 C to +125 C Unit
Min Typ Max Min Max Min Max