R8A66171SP RENESAS [Renesas Technology Corp], R8A66171SP Datasheet - Page 17

• Manufacturer Part Number: R8A66171SP
• Description: A2RT (ADVANCED ASYNCHRONOUS RECEIVER & TRANSMITTER)
• Manufacturer: RENESAS [Renesas Technology Corp]

R8A66171DD/SP
TEST CIRCUIT
TIMING DIAGRAM
Input/output waveform at read data and read status
Clock Timing
REJ03F269-0100 Rev.1.00 Feb.19.2008
Page 17 of 22
D0~D7
D0~D7
X1
RD
P.G.
90%
50%
Input
50Ω
t
f
t
PZL
50%
10%
(/R-DQ)
t
WL
Vcc
DUT
t
PZH
50%
50%
(X1)
GND
(/R-DQ)
10%
50
t
C
Output
(x1)
t
r
t
PLZ
50%
90%
(/R-DQ)
CL
t
WH
t
PHZ
10%
90%
Vcc
(X1)
(/R-DQ)
RL=1kΩ
SW 1
SW 2
RL=1kΩ
50%
(1) The pulse generator (PG) has the
(2) The capacitance CL=150pF includes
tPLH, tPHL
V
0V
V
V
V
V
V
0V
Parameter
following characteristics (10%~90%)
stray wiring capacitance and the probe
input capacitance.
CC
OH
OL
OH
OL
CC
tr=3ns, tf=3ns
tPHZ
tPZH
tPLZ
tPZL
Closed
Closed
SW 1
Open
Open
Open
Closed
Closed
SW 2
Open
Open
Open