r8a66154 Renesas Electronics Corporation., r8a66154 Datasheet - Page 5

• Manufacturer Part Number: r8a66154
• Description: 8-bit I/o Expander With Led Drive Function
• Manufacturer: Renesas Electronics Corporation.

R8A66154SP
SWITCHING CHARACTERISTICS
TIMING REQUIREMENTS
NOTE1: TEST CIRCUIT
REJ03F0285-0100 Rev.1.00 Dec.08.2009
Page 5 of 7
fmax
tPLZ
tPZL
tPLZ
tPZL
tPLZ
tw
tsu
th
trec
Symbol
Symbol
P.G.
CLK, /CS, /S pulse width
Setup time of DI to CLK
Setup time of /CS to CLK
Setup time of D1~D8 to /CS
Hold time of DI to CLK
Hold time of /CS to CLK
Hold time of D1~D8 to /CS
Recovery time of /CS to /S
Maximum repeat frequency
Output "L-Z" and "Z-L" propagation time
CLK - DO
Output "L-Z" and "Z-L" propagation time
/CS - D1~D8
Output "L-Z" propagation time
/S - DO, /S - D1~D8
50Ω
Inpu
Parameter
Parameter
DUT
Vcc
GND
(Vcc=2.0~6.0V, Ta=-40~85℃, unless otherwise noted)
(Vcc=2.0~6.0V, Ta=-40~85℃, unless otherwise noted)
C
L
Test conditions
Test conditions
(1) The pulse generator (P.G.) has the following characteristics
(2) The capacitance CL includes stray wiring capacitance
CL=50pF
Vcc
RL=1kΩ
(note1)
and the probe input capacitance.
(10%~90%) tr=6ns, tf=6ns, Zo=50 Ω
R
L
Min.
Min.
260
130
130
130
130
130
130
130
DO,
D1～D8
Limits
Limits
Typ.
Typ.
Max.
Max.
400
400
400
400
400
1.9
MHz
Unit
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns