HD74LV245A Datasheet, PDF (6/10 Pages) Hitachi Semiconductor – Octal Bus Transceivers with 3-state Outputs

HD74LV245A
Operating Characteristics
Item
Symbol
Power dissipation capacitance C_PD
V_CC (V)
3.3
5.0
Ta = 25°C
Min
Typ
—
20.0
—
25.0
Max
—
—
C_L = 50 pF
Unit Test Conditions
pF
f = 10 MHz
Noise Characteristics
Item
Quiet output, maximum
dynamic V_OL
Quiet output, minimum
dynamic V_OL
Quiet output, minimum
dynamic V_OH
High-level dynamic input
voltage
Low level dynamic input
voltage
Symbol
V_{OL (P)}
V_CC (V)
3.3
Ta = 25°C
Min
Typ
—
0.5
V_{OL (V)}
3.3
—
–0.4
V_{OH (V)}
3.3
—
2.9
V_{IH (D)}
3.3
2.31
—
V_{IL (D)}
3.3
—
—
Max
0.8
–0.8
—
—
0.99
C_L = 50 pF
Unit Test Conditions
V
V
V
V
V
Test Circuit
VCC
VCC
OE
Input
Pulse generator
Zout _{= 50 Ω}
DIR
S1
A1
B1
Output
1 kΩ _S2
C_L=
15 or 50 pF
OPEN
GND
V_CC
TEST
t_PLH /t_PHL
t _ZH/t_HZ
t_ZL /t_LZ
Notes : 1. C _L includes the probe and jig capacitance.
2. A2−B2 to A8−B8 are identical to above load circuit.
3. S1 : Input−Output change switch.
S2
OPEN
GND
V_CC
Rev.3.00 Jun. 24, 2004 page 6 of 9