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参数资料
| 型号： | RS5C321B-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, PDSO8 |
| 封装： | 0.65 MM PITCH, SSOP-8 |
| 文件页数： | 33/33页 |
| 文件大小： | 286K |
| 代理商： | RS5C321B-E1 |
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RS5C321A/B
5
Symbol
Item
Pin name
Conditions
MIN.
TYP.
MAX.
Unit
VIH
“H” input voltage
CE, SCLK/SCLK, SIO
0.8VDD
VDD
V
VIL
“L” input voltage
CE, SCLK/SCLK, SIO
0
0.2VDD
V
IOH
“H” output current
SIO
VOH=VDD –0.5V
–0.5
mA
IOL1
“L” output current
SIO
VOL1=0.5V
0.5
mA
IOL2
32KOUT
VOL2=0.4V
1
RDN
Pull-down resistance
CE
45
150
450
k
IILK
Input leakage current
SCLK/SCLK
VI=VDD or VSS
–1
1
A
IOZ1
Output off-state
SIO
VO=VDD or VSS
–2
2
A
IOZ2
leakage current
32KOUT
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
OSCOUT
10
pF
capacitance
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
*) IDD1, IDD2 is specified when 32kHz output is off (CLEN=1)
相关PDF资料 |
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| RS5C321B-E2 | 0 TIMER(S), REAL TIME CLOCK, PDSO8 |
| RS5C372A-E2 | 0 TIMER(S), REAL TIME CLOCK, PDSO8 |
| RT6224K-125 | 64-BIT, 125 MHz, RISC PROCESSOR, XMA100 |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| RS5C338A | 制造商:RICOH 制造商全称:RICOH electronics devices division 功能描述:3-WIRE SERIAL INTERFACE REAL-TIME CLOCK ICs WITH VOLTAGE MONITORING FUNCTION |
| RS5C338A-E2 | 制造商:RICOH 制造商全称:RICOH electronics devices division 功能描述:3-WIRE SERIAL INTERFACE REAL-TIME CLOCK ICs WITH VOLTAGE MONITORING FUNCTION |
| RS5C348A | 制造商:RICOH 制造商全称:RICOH electronics devices division 功能描述:4-WIRE SERIAL INTERFACE |
| RS5C348A-E2 | 制造商:RICOH 制造商全称:RICOH electronics devices division 功能描述:Real-Time Clock |
| RS5C348B | 制造商:RICOH 制造商全称:RICOH electronics devices division 功能描述:4-WIRE SERIAL INTERFACE |
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