参数资料
型号: RS5C317B-E1
厂商: RICOH COMPANY LTD
元件分类: 时钟/数据恢复及定时提取
英文描述: 0 TIMER(S), REAL TIME CLOCK, PDSO14
封装: 0.65 MM PITCH, SSOP-14
文件页数: 40/40页
文件大小: 347K
代理商: RS5C317B-E1
RS5C317A/B
5
DC CHARACTERISTICS
Unless otherwise specified: VSS=0V, VDD=3V, Topt=–40 to +85C, Oscillation frequency=32.768kHz,(CL=6pF, R1=30k
), CG=10pF
AC CHARACTERISTICS
(VSS=0V, Topt=–40 to +85C, CL=50pF)
Symbol
Item
VDD
4.5V
VDD
4.0V
VDD
2.5V
Unit
MIN.
MAX.
MIN.
MAX.
MIN.
MAX.
tCES
CE set-up time
175
200
400
ns
tCEH
CE hold time
175
200
400
ns
tCR
CE inactive time
350
400
800
ns
tSCK
SCLK clock cycle time
350
400
800
ns
tCKH
SCLK high time
175
200
400
ns
tCKL
SCLK low time
175
200
400
ns
tCKS
SCLK to CE set-up time
60
80
120
ns
tRE
Data output start time (from rising
120
135
300
ns
of SCLK) (from falling of SCLK)
tRR
Data output delay time (from rising
120
135
300
ns
of SCLK) (from falling of SCLK)
tRZ
Output floating time
120
135
300
ns
tDS
Input data set-up time
50
60
120
ns
tDH
Input data hold time
50
80
ns
Symbol
Item
Pin name
Conditions
MIN.
TYP.
MAX.
Unit
VIH
“H” input voltage
CE, SCLK/SCLK,
0.8VDD
VDD
V
SIO, CLKC
VIL
“L” input voltage
CE, SCLK/SCLK,
0
0.2VDD
V
SIO, CLKC
IOH
“H” output current
SIO, 32KOUT
VOH=VDD –0.5V
–0.5
mA
IOL1
“L” output current
SIO, 32KOUT
VOL1=0.5V
0.5
mA
IOL2
INTR, ALARM, TMOUT
VOL2=0.4V
1
RDN
Pull-down resistance
CE
45
150
450
k
IIH
Input current
CLKC
VIH=3V
1
5
A
IILK
Input leakage current
SCLK/SCLK
VI=VDD or VSS
–1
1
A
IOZ1
Output leakage current
SIO, 32KOUT
VO=VDD or VSS
–2
2
A
IOZ2
INTR, ALARM, TMOUT
VO=10V
–5
5
IDD1
Standby current 1
VDD
VDD=3V
0.6
1.5
A
Input/output: open
IDD2
Standby current 2
VDD
VDD=6V
0.8
2.0
A
Input/output: open
CD
Internal oscillation Cap. OSCOUT
10
pF
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