- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄69302 > R2051K01 (RICOH COMPANY LTD) 0 TIMER(S), REAL TIME CLOCK, QCC12 PDF資料下載
參數(shù)資料
| 型號： | R2051K01 |
| 廠商： | RICOH COMPANY LTD |
| 元件分類： | 時(shí)鐘/數(shù)據(jù)恢復(fù)及定時(shí)提取 |
| 英文描述： | 0 TIMER(S), REAL TIME CLOCK, QCC12 |
| 封裝： | 2 X 2 MM, 0.85 MM PITCH, ULTRA-COMPACT, FFP, 12 PIN |
| 文件頁數(shù)： | 51/53頁 |
| 文件大小： | 343K |
| 代理商： | R2051K01 |
第1頁第2頁第3頁第4頁第5頁第6頁第7頁第8頁第9頁第10頁第11頁第12頁第13頁第14頁第15頁第16頁第17頁第18頁第19頁第20頁第21頁第22頁第23頁第24頁第25頁第26頁第27頁第28頁第29頁第30頁第31頁第32頁第33頁第34頁第35頁第36頁第37頁第38頁第39頁第40頁第41頁第42頁第43頁第44頁第45頁第46頁第47頁第48頁第49頁第50頁當(dāng)前第51頁第52頁第53頁
R2051 Series
12345
Rev.1.04
- 7 -
n AC ELECTRICAL CHARACTERISTICS
Unless otherwise specified: VSS=0V,Topt=-40 to +85
°C
Input and Output Conditions: VIH=0.8
×VCC,VIL=0.2×VCC,VOH=0.8×VCC,VOL=0.2×VCC,CL=50pF
VCC
≥1.7V *1)
VCC
≥2.5V *1)
Sym
-bol
Item
Condi-
Tions
Min.
Typ.
Max.
Min.
Typ.
Max.
Unit
fSCL
SCL Clock Frequency
100
400
kHz
tLOW
SCL Clock Low Time
4.7
1.3
s
tHIGH
SCL Clock High Time
4.0
0.6
s
tHD;STA
Start
Condition
Hold
Time
4.0
0.6
s
tSU;STO
Stop Condition Set Up
Time
4.0
0.6
s
tSU;STA
Start Condition Set Up
Time
4.7
0.6
s
tSU;DAT
Data Set Up Time
250
200
ns
tHD;DAT
Data Hold Time
0
ns
tPL;DAT
SDA “L” Stable Time
After Falling of SCL
2.0
0.9
s
tPZ;DAT
SDA off Stable Time
After Falling of SCL
2.0
0.9
s
tR
Rising Time of SCL and
SDA (input)
1000
300
ns
tF
Falling Time of SCL and
SDA (input)
300
ns
tSP
Spike Width that can
be removed with Input
Filter
50
ns
tRCV
Recovery
Time
from
Stop Condition to Start
Condition
62
s
tDELAY
Output Delay Time of
Voltage Detector
Time
Keeping
100
105
110
100
105
110
ms
*1) VCC voltage interfacing with CPU is defined by Vaccess (P. 4
nRECOMMENDED OPERATING CONDITIONS)
*) For reading/writing timing, see “P.29
nInterfacing with the CPU lData Transmission under Special Condition”.
SDA(OUT)
SCL
S
Sr
P
tPZ;DAT
tHIGH
tSU;DAT
tHD;STA
tSP
tSU;STO
tLOW
tSU;STA
SDA(IN)
tHD;STA
tPL;DAT
Sr
P
Stop Condition
S
Start Condition
Repeated Start Condition
tHD;DAT
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| R3F10031NSP | FLASH, 8 MHz, MICROCONTROLLER, PDSO24 |
| R3F10011NSP | FLASH, 8 MHz, MICROCONTROLLER, PDSO20 |
| R3F10011NXXXSP | MROM, 8 MHz, MICROCONTROLLER, PDSO20 |
| R42181 | SINGLE COLOR LED, RED, 5.6 mm |
| R42182 | SINGLE COLOR LED, RED, 5.6 mm |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| R2051K01-E2 | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:2 wire interface Real-Time Clock ICs with Battery Backup switch-over Function |
| R2051K02-E2 | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:2 wire interface Real-Time Clock ICs with Battery Backup switch-over Function |
| R2051S01-E2 | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:2 wire interface Real-Time Clock ICs with Battery Backup switch-over Function |
| R2051S02-E2 | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:2 wire interface Real-Time Clock ICs with Battery Backup switch-over Function |
| R2051S03-E2 | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:2 wire interface Real-Time Clock ICs with Battery Backup switch-over Function |
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。