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RD74LVC245B_15 Datasheet, PDF (7/10 Pages) Renesas Technology Corp – Octal Bidirectional Transceivers with 3-state Outputs
RD74LVC245B
Test Circuit
VCC
Input
Pulse
Generator
Zout = 50 Ω
VCC
OE
S1
A1
Output
B1
CL
DIR
Note: 1. CL includes probe and jig capacitance.
RL S2
RL
OPEN
VTT
GND
Symbol
tPLH / t PHL
tZH/ t HZ
tZL / t LZ
S2
OPEN
GND
VTT
Waveforms – 1
Input
In phase output
10 %
tr
90 %
Vref
tPLH
Vref
tf
90 %
Vref
10 %
tPHL
Vref
VIH
GND
VOH
VOL
Rev.1.00 Aug. 26, 2004 page 5 of 7