m74hc590 STMicroelectronics, m74hc590 Datasheet - Page 8

• Manufacturer Part Number: m74hc590
• Description: 8 Binary Counter Register With 3 State Output
• Manufacturer: STMicroelectronics

M74HC590
CAPACITIVE CHARACTERISTICS
1) C
load. (Refer to Test Circuit). Average operating current can be obtained by the following equation. I
TEST CIRCUIT
C
R
R
8/15
t
t
t
PLH
PZL
PZH
Symbol
Symbol
L
1
T
= 50pF/150pF or equivalent (includes jig and probe capacitance)
= 1K or equivalent
= Z
t
C
PD
REM
C
, t
, t
, t
PD
IN
OUT
is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without
PLZ
PHL
PHZ
of pulse generator (typically 50 )
Minimum Removal
Time (CCLR)
Input Capacitance
Power Dissipation
Capacitance (note
1)
Parameter
Parameter
V
V
(V)
2.0
4.5
6.0
(V)
CC
CC
Test Condition
Test Condition
TEST
(pF)
C
50
L
Min.
Min.
T
T
A
A
Typ.
Typ.
= 25° C
= 25° C
28
40
7
6
5
Max.
Max.
75
15
13
10
Value
Value
-40 to 85°C
Min.
-40 to 85°C
Min.
CC(opr)
= C
Max.
Max.
95
19
16
10
PD
x V
SWITCH
-55 to 125° C
-55 to 125° C
Min.
Min.
Open
CC
GND
V
CC
x f
IN
Max.
Max.
+ I
110
22
19
10
CC
Unit
Unit
pF
pF
ns