¡ Semiconductor
AC Characteristics
Parameter
Master Clock Duty Cycle
RESET Input Pulse Width
RESET Delay Time From Raising of Power Supply
Set up and Hold Time of CS for RD, at serial input I/F
RD Pulse Width
Output Data Valid Time after Fall of RD
Data Float Time after Rise of RD
Setup and Hold Time of CMD for WR
Setup and Hold Time of CS for WR
WR Pulse Width
Data Setup Time before Rise of WR
Data Hold Time after Rise of WR
WR-WR Pulse Interval
CS-CS Pulse Interval
Serial Data Setup Time
Serial Data Hold Time
Serial Clock Pulse Width
MSM9810
(VDD=3.5 to 5.5V, GND=0 V, Ta=–40 to +85°C)
Symbol Min. Typ. Max. Unit
fduty
40
50
60
%
tw(RST)
1
tD(RST)
0
— — ms
— — ms
tCR
30
—
—
ns
tRR
200
—
—
ns
tDRE
—
— 100 ns
tDRF
—
10
50 ns
tDW
50
— — ns
tCW
30
— — ns
tWW
200
—
—
ns
tDWS 100
—
—
ns
tDWH
30
—
—
ns
tWWS 160
—
—
ns
tCC
100 —
—
ns
tSDS
30
—
—
ns
tSSD
30
—
—
ns
tW(SCK) 200
—
—
ns
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