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HD74LV244A Datasheet, PDF (6/10 Pages) Hitachi Semiconductor – Octal Buffers / Drivers with 3-state Outputs | |||
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HD74LV244A
Operating Characteristics
Item
Symbol
Power dissipation capacitance CPD
VCC (V)
3.3
5.0
Ta = 25°C
Min
Typ
â
14.0
â
16.0
Max
â
â
CL = 50 pF
Unit Test Conditions
pF
f = 10 MHz
Noise Characteristics
Item
Quiet output, maximum
dynamic VOL
Quiet output, minimum
dynamic VOL
Quiet output, minimum
dynamic VOH
High-level dynamic input
voltage
Low-level dynamic input
voltage
Symbol
VOL (P)
VCC (V)
3.3
Ta = 25°C
Min
Typ
â
0.6
VOL (V)
3.3
â
â0.5
VOH (V)
3.3
â
2.9
VIH (D)
3.3
2.31
â
VIL (D)
3.3
â
â
Max
0.8
â0.8
â
â
0.99
CL = 50 pF
Unit Test Conditions
V
V
V
V
V
Test Circuit
VCC
VCC
Input
Pulse generator
Zout = 50 â¦
1OE, 2OE
Output
1Y1 to 2Y4
1A1 to 2A4
1 k⦠S1
CL =
15 or 50 pF
OPEN
GND
VCC
TEST
tPLH /tPHL
t ZH/tHZ
tZL /tLZ
S1
OPEN
GND
VCC
Note: CL includes the probe and jig capacitance.
Rev.3.00 Jun. 24, 2004 page 6 of 9
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