参数资料
型号: RS5C372A-E2
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: 8/59页
文件大小: 442K
代理商: RS5C372A-E2
RS5C372B
12
Unless otherwise specified : VSS=0V, Topt=–40 to +85C, Crystal=32.768kHz or 32.000kHz
I/O conditions: VIH=0.8
×VDD, VIL=0.2×VDD, VOL=0.2×VDD, CL=50pF
Symbol
Item
Conditions
MIN.
TYP.
MAX.
Unit
fSCL
SCL Clock Frequency
0
400
kHz
tLOW
SCL Clock “L” Time
1.3
s
tHIGH
SCL Clock “H” Time
0.6
s
tHD ; STA
Start Condition Hold Time
0.6
s
tSU ; STO
Stop Condition Setup Time
0.6
s
tSU ; STA
Start Condition Setup Time
0.6
s
tSU ; DAT
Data Setup Time
100
ns
tHDH ; DAT
“H” Data Hold Time
0
ns
tHDL ; DAT
“L” Data Hold Time
35
ns
tPL ; DAT
SDA “L” Stable Time After Falling of SCL
0.9
s
tPZ ; DAT
SDA Off Stable Time After Falling of SCL
0.9
s
tR
Rising Time of SCL and SDA (Input)
300
ns
tF
Falling Time of SCL and SDA (Input)
300
ns
tSP
Spike Width that can be Removed
50
ns
with Input Filter
S
Sr
P
SCL
SDA(IN)
SDA(OUT)
tLOW
tHD;STA
tHDH;DAT
tPZ;DAT
tPL;DAT
tSU;STA
tSU;STO
tHIGH
tHD;STA
tSP
tSU;DAT
Sr
S Start condition
Stop condition
Repeated start condition
P
tHDL;DAT
*) For detailed information refer to “USAGES, 1.2 Transmission System of I
2C bus.”
VDD
≥2.5V (supports fast mode I2C bus)
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