m74hct245 STMicroelectronics, m74hct245 Datasheet - Page 4

• Manufacturer Part Number: m74hct245
• Description: Octal Bus Transceiver3-state Hct245 Non Inverting Hct640 Inverting, Hct643 Inverting/non Inverting
• Manufacturer: STMicroelectronics

M74HCT245
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
4/9
t
t
t
PLH
PZL
PZH
Symbol
L
1
T
C
= 50pF/150pF or equivalent (includes jig and probe capacitance)
= 1K or equivalent
= Z
C
PD
C
I/OUT
, 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 )
Input Capacitance
Output
Capacitance
Power Dissipation
Capacitance (note
1)
Parameter
V
(V)
CC
Test Condition
TEST
DIR, G
An, Bn
Min.
T
A
Typ.
= 25° C
13
41
5
Max.
10
CC(opr)
Value
-40 to 85°C
Min.
= C
Max.
PD
10
x V
CC
SWITCH
-55 to 125° C
Min.
x f
Open
GND
V
IN
CC
+ I
CC
Max.
10
/8 (per circuit)
Unit
pF
pF
pF