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HD74ALVCH16244 Datasheet, PDF (6/9 Pages) Hitachi Semiconductor – 16-bit Buffers / Drivers with 3-state Outputs
HD74ALVCH16244
Switching Characteristics
(Ta = -40 to 85°C)
Item
Symbol VCC (V) Min
Typ
Max Unit FROM TO
(Input) (Output)
Propagation delay time tPLH
2.5±0.2 1.0
—
3.9
ns A
Y
tPHL
2.7
—
—
3.6
3.3±0.3 1.0
—
3.0
Output enable time
tZH
2.5±0.2 1.0
—
5.7
ns OE
Y
tZL
2.7
—
—
5.4
3.3±0.3 1.0
—
4.4
Output disable time
tHZ
2.5±0.2 1.0
—
5.2
ns OE
Y
tLZ
2.7
—
—
4.6
3.3±0.3 1.0
—
4.1
Input capacitance
CIN
3.3
—
3.3
—
3.0
—
pF Control inputs
6.0
—
Data inputs
Output capacitance
CO
3.3
—
7.0
—
pF Outputs
• Test Circuit
500 Ω
*1
CL= 50 pF
500 Ω
See under table
S1
OPEN
GND
Load Circuit for Outputs
Symbol Vcc=2.5±0.2V
tPLH / t PHL OPEN
tZH/ t HZ
tZL / t LZ
GND
4.6 V
Vcc=2.7V,
3.3±0.3V
OPEN
GND
6.0 V
Note: 1. CL includes probe and jig capacitance.
Rev.5.00, Oct.02.2003, page 6 of 8