74AHC594 PHILIPS [NXP Semiconductors], 74AHC594 Datasheet - Page 6

• Manufacturer Part Number: 74AHC594
• Description: 8-bit shift register with output register
• Manufacturer: PHILIPS [NXP Semiconductors]

Philips Semiconductors
7. Functional description
Table 3.
[1]
8. Limiting values
Table 4.
In accordance with the Absolute Maximum Rating System (IEC 60134). Voltages are referenced to GND (ground = 0 V).
[1]
[2]
74AHC_AHCT594_1
Product data sheet
Function
Clear shift register
Clear storage register
Load DS into shift register stage 0, advance previous stage data to the next stage
Transfer shift register data to storage register and outputs Qn
Symbol
V
V
I
I
I
I
I
T
P
IK
OK
O
CC
GND
stg
CC
I
tot
H = HIGH voltage level;
L = LOW voltage level;
X = don’t care.
The input and output voltage ratings may be exceeded if the input and output current ratings are observed.
For SO16 packages: above 70 C the value of P
For (T)SSOP16 packages: above 60 C the value of P
For DHVQFN16 packages: above 60 C the value of P
= LOW-to-HIGH transition;
Function table
Limiting values
Parameter
supply voltage
input voltage
input clamping current
output clamping current
output current
quiescent supply current
ground current
storage temperature
total power dissipation
[1]
Conditions
V
V
V
T
I
O
O
amb
< 0.5 V
tot
< 0.5 V or V
= 0.5 V to V
derates linearly with 8 mW/K.
= 40 C to +125 C
Rev. 01 — 4 July 2006
tot
tot
derates linearly with 5.5 mW/K.
derates linearly with 4.5 mW/K.
CC
O
> V
+ 0.5 V
CC
74AHC594; 74AHCT594
+ 0.5 V
8-bit shift register with output register
Inputs
SHR
L
X
H
X
© Koninklijke Philips Electronics N.V. 2006. All rights reserved.
[1]
[1]
[2]
STR
X
L
X
H
Min
-
-
-
-
-
-
0.5
0.5
65
SHCP STCP
X
X
X
Max
+7.0
+7.0
75
+150
500
20
20
25
75
X
X
X
Unit
V
V
mA
mA
mA
mA
mA
mW
DS
X
X
H or L
X
C
6 of 29