Datasheet

74HC_HCT594_3 © NXP B.V. 2006. All rights reserved.
Product data sheet Rev. 03 — 20 December 2006 7 of 26
NXP Semiconductors
74HC594; 74HCT594
8-bit shift register with output register
9. Recommended operating conditions
10. Static characteristics
Table 5. Recommended operating conditions
Symbol Parameter Conditions Min Typ Max Unit
Type 74HC594
V
CC
supply voltage 2.0 5.0 6.0 V
V
I
input voltage 0 - V
CC
V
V
O
output voltage 0 - V
CC
V
T
amb
ambient temperature −40 +25 +125 °C
t
r
rise time V
CC
= 2.0 V - - 1000 ns
V
CC
= 4.5 V - 6.0 500 ns
V
CC
= 6.0 V - - 400 ns
t
f
fall time V
CC
= 2.0 V - - 1000 ns
V
CC
= 4.5 V - 6.0 500 ns
V
CC
= 6.0 V - - 400 ns
Type 74HCT594
V
CC
supply voltage 4.5 5.0 5.5 V
V
I
input voltage 0 - V
CC
V
V
O
output voltage 0 - V
CC
V
T
amb
ambient temperature −40 +25 +125 °C
t
r
rise time V
CC
= 4.5 V - 6.0 500 ns
t
f
fall time V
CC
= 4.5 V - 6.0 500 ns
Table 6. Static characteristics type 74HC594
At recommended operating conditions; voltages are referenced to GND (ground = 0 V).
Symbol Parameter Conditions Min Typ Max Unit
T
amb
= 25 °C
V
IH
HIGH-level input voltage V
CC
= 2.0 V 1.5 1.2 - V
V
CC
= 4.5 V 3.15 2.4 - V
V
CC
= 6.0 V 4.2 3.2 - V
V
IL
LOW-level input voltage V
CC
= 2.0 V - 0.8 0.5 V
V
CC
= 4.5 V - 2.1 1.35 V
V
CC
= 6.0 V - 2.8 1.8 V
V
OH
HIGH-level output voltage V
I
= V
IH
or V
IL
Serial data output Q7S
I
O
= −4.0 mA; V
CC
= 4.5 V 3.98 4.32 - V
I
O
= −5.2 mA; V
CC
= 6.0 V 5.48 5.81 - V
Parallel data outputs
I
O
= −6.0 mA; V
CC
= 4.5 V 3.98 4.32 - V
I
O
= −7.8 mA; V
CC
= 6.0 V 5.48 5.81 - V