Datasheet

74HC_HCT594_3 © NXP B.V. 2006. All rights reserved.
Product data sheet Rev. 03 — 20 December 2006 10 of 26
NXP Semiconductors
74HC594; 74HCT594
8-bit shift register with output register
Table 7. Static characteristics type 74HCT594
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
= 4.5 V to 5.5 V 2.0 1.6 - V
V
IL
LOW-level input voltage V
CC
= 4.5 V to 5.5 V - 1.2 0.8 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
Parallel data outputs
I
O
= −6.0 mA; V
CC
= 4.5 V 3.98 4.32 - V
V
OL
LOW-level output voltage V
I
= V
IH
or V
IL
Serial data output Q7S
I
O
= 4.0 mA; V
CC
= 4.5 V - 0.15 0.26 V
Parallel data outputs
I
O
= 6.0 mA; V
CC
= 4.5 V - 0.16 0.26 V
I
I
input leakage current V
I
=V
CC
or GND; V
CC
= 5.5 V - - ±0.1 µA
I
CC
supply current V
I
= V
CC
or GND; I
O
= 0 A;
V
CC
= 5.5 V
- - 8.0 µA
∆I
CC
additional supply current per input pin; V
I
=V
CC
− 2.1 V and
other inputs at V
CC
or GND;
I
O
= 0 A; V
CC
= 4.5 V to 5.5 V
pins
SHR, SHCP, STCP, STR - 150 540 µA
pin DS - 25 90 µA
C
i
input capacitance - 3.5 - pF
T
amb
= −40 °C to +85 °C
V
IH
HIGH-level input voltage V
CC
= 4.5 V to 5.5 V 2.0 - - V
V
IL
LOW-level input voltage V
CC
= 4.5 V to 5.5 V - - 0.8 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 3.84 - - V
Parallel data outputs
I
O
= −6.0 mA; V
CC
= 4.5 V 3.84 - - V
V
OL
LOW-level output voltage V
I
= V
IH
or V
IL
Serial data output
I
O
= 4.0 mA; V
CC
= 4.5 V - - 0.33 V
Parallel data outputs
I
O
= 6.0 mA; V
CC
= 4.5 V - - 0.33 V
I
I
input leakage current V
I
=V
CC
or GND; V
CC
= 5.5 V - - ±1.0 µA
I
CC
supply current V
I
= V
CC
or GND; I
O
= 0 A;
V
CC
= 5.5 V
--80µA