Datasheet

74HC_HCT594_3 © NXP B.V. 2006. All rights reserved.
Product data sheet Rev. 03 — 20 December 2006 13 of 26
NXP Semiconductors
74HC594; 74HCT594
8-bit shift register with output register
t
TLH
LOW to
HIGH output
transition
time
see
Figure 9
Serial data output Q7S
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
Parallel data outputs
V
CC
= 2.0 V - 14 60 - 75 - 90 ns
V
CC
= 4.5 V - 5 12 - 15 - 18 ns
V
CC
= 6.0 V - 4 10 - 13 - 15 ns
t
W
pulse width SHCP (HIGH or
LOW); see
Figure 9
V
CC
= 2.0 V 80 10 - 100 - 120 - ns
V
CC
= 4.5 V 16 4 - 20 - 24 - ns
V
CC
= 6.0 V 14 3 - 17 - 20 - ns
STCP (HIGH or
LOW); see
Figure 10
V
CC
= 2.0 V 80 10 - 100 - 120 - ns
V
CC
= 4.5 V 16 4 - 20 - 24 - ns
V
CC
= 6.0 V 14 3 - 17 - 20 - ns
SHR and STR
(HIGH or LOW);
see
Figure 13
and
Figure 14
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
Table 8. Dynamic characteristics type 74HC594
…continued
GND = 0 V; t
r
= t
f
= 6 ns; C
L
= 50 pF; see Figure 15.
Symbol Parameter Conditions 25 °C −40 °C to +85 °C −40 °C to +125 °C Unit
Min Typ Max Min Max Min Max