RS5C317A Просмотр технического описания (PDF) - RICOH Co.,Ltd.
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RS5C317A Datasheet PDF : 40 Pages
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RS5C317A/B
DC CHARACTERISTICS
Unless otherwise specified: VSS=0V, VDD=3V, Topt=–40 to +85˚C, Oscillation frequency=32.768kHz,(CL=6pF, R1=30kΩ), CG=10pF
Symbol
Item
Pin name
Conditions
MIN. TYP. MAX. Unit
VIH
“H” input voltage
CE, SCLK/SCLK,
SIO, CLKC
0.8VDD
VDD
V
VIL
“L” input voltage
CE, SCLK/SCLK,
SIO, CLKC
0
0.2VDD V
IOH
“H” output current
SIO, 32KOUT
VOH=VDD –0.5V
–0.5 mA
IOL1
SIO, 32KOUT
VOL1=0.5V
0.5
“L” output current
mA
IOL2
INTR, ALARM, TMOUT
VOL2=0.4V
1
RDN Pull-down resistance CE
45
150 450
kΩ
IIH
Input current
CLKC
VIH=3V
1
5
µA
IILK
Input leakage current SCLK/SCLK
VI=VDD or VSS
–1
1
µA
IOZ1
SIO, 32KOUT
VO=VDD or VSS
–2
Output leakage current
IOZ2
INTR, ALARM, TMOUT
VO=10V
–5
2
µA
5
IDD1 Standby current 1
VDD
VDD=3V
Input/output: open
0.6
1.5
µA
IDD2 Standby current 2
VDD
VDD=6V
Input/output: open
0.8
2.0
µA
CD
Internal oscillation Cap. OSCOUT
10
pF
AC CHARACTERISTICS
Symbol
Item
tCES
tCEH
tCR
tSCK
tCKH
tCKL
tCKS
tRE
tRR
tRZ
tDS
tDH
CE set-up time
CE hold time
CE inactive time
SCLK clock cycle time
SCLK high time
SCLK low time
SCLK to CE set-up time
Data output start time (from rising
of SCLK) (from falling of SCLK)
Data output delay time (from rising
of SCLK) (from falling of SCLK)
Output floating time
Input data set-up time
Input data hold time
VDD≥4.5V
MIN.
175
MAX.
175
350
350
175
175
60
120
120
120
50
50
(VSS=0V, Topt=–40 to +85˚C, CL=50pF)
VDD≥4.0V
MIN.
MAX.
VDD≥2.5V
MIN.
MAX.
Unit
200
400
ns
200
400
ns
400
800
ns
400
800
ns
200
400
ns
200
400
ns
80
120
ns
135
300
ns
135
300
ns
135
300
ns
60
120
ns
50
80
ns
5
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