Rx5C348A/B
ꢀ AC ELECTRICAL CHARACTERISTICS
Unless otherwise specified: VSS=0V,Topt=-40 to +85°C
Input and Output Conditions: VIH=0.8×VDD,VIL=0.2×VDD,VOH=0.8×VDD,VOL=0.2×VDD,CL=50pF
Symbol
Item
CE Set-up Time
CE Hold Time
CE Recovery Time
Condi-
tions
Unit
VDD≥2.0V
VDD≥4.5V
Min.
400
400
62
Typ.
Max.
Min.
200
200
62
Typ.
Max.
tCES
tCEH
tCR
ns
ns
µs
M
fSCLK
SCLK Clock
Frequency
1.0
2.0
Hz
tCKH
tCKL
SCLK Clock High
Time
SCLK Clock Low
Time
SCLK Set-up Time
Data Output Delay
Time
Data Output Floating
Time
400
400
200
200
200
100
ns
ns
tCKS
tRD
ns
ns
300
300
300
150
150
150
tRZ
ns
ns
tCEZ
Data Output Delay
Time After Falling of
CE
tDS
tDH
Input Data
Set-up Time
Input Data
200
200
100
100
ns
ns
Hold Time
tCKH
tCKL
CE
tCEH
tCR
tCKS tCES
SCLK
tDS
tDH
SI
tCEZ
SO
tRD
tRZ
tRD
*) For reading/writing timing, see “P.28. ꢁAdjustment of Oscillation frequency”.
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Rev.2.01
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RICOH [ RICOH ELECTRONICS DEVICES DIVISION ]
