74AC299B STMICROELECTRONICS [STMicroelectronics], 74AC299B Datasheet - Page 7

• Manufacturer Part Number: 74AC299B
• Description: 8 BIT PIPO SHIFT REGISTER WITH ASYNCHRONOUS CLEAR
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

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
t
t
t
PLH
PZL
PZH
Symbol
L
L
T
= 50pF or equivalent (includes jig and probe capacitance)
= R
= Z
C
C
PD
C
, t
, t
, t
i/O
PD
IN
OUT
1
is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without
PLZ
PHL
PHZ
= 500 or equivalent
of pulse generator (typically 50 )
Input Capacitance
Bus Input
Capacitance
Power Dissipation
Capacitance (note
1)
Parameter
V
(V)
5.0
5.0
5.0
CC
Test Condition
TEST
f
IN
= 10MHz
Min.
T
A
Typ.
= 25°C
120
13
5
Max.
10
CC(opr)
Value
-40 to 85°C
Min.
= C
Max.
PD
10
x V
CC
SWITCH
-55 to 125°C
Min.
Open
Open
2V
x f
IN
CC
+ I
CC
Max.
74AC299
/n (per circuit)
Unit
pF
pF
pF
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