參數(shù)資料
型號(hào)： R2023K
廠商： Ricoh Co., Ltd.
英文描述： 2-wire Serial Interface Real Time Clock IC
中文描述： 2線串行接口實(shí)時(shí)時(shí)鐘芯片
文件頁(yè)數(shù)： 5/50頁(yè)
文件大?。?/td> 512K
代理商： R2023K
R2023K/T
DC ELECTRICAL CHARACTERISTICS
5
(Unless otherwise specified:
V
SS
=0V, V
DD
=3.0V, Topt=-40 to +85
°
C, Crystal oscillator 32768Hz,CL=7pF,R1=50k
)
Symbol
Item
Pin Name
V
IH
“H” Input Voltage
SCL, SDA,
CLKC
Conditions
V
DD
=1.7 to 5.5V
Min.
0.8x
VDD
-0.3
Typ.
Max.
5.5
Unit
V
V
IL
“L” Input Voltage
0.2x
VDD
-0.5
I
OH
“H” Output
Current
“L” Output
Current
32KOUT
V
OH
=V
DD
-0.5V
mA
I
OL1
I
OL2
32KOUT
INTRA
INTRB
SDA
SCL
0.5
2.0
mA
I
OL3
I
IL
V
OL
=0.4V
3.0
-1.0
1.0
μ
A
Input Leakage
Current
Pull-down Resister
Input Leakage Current
V
I
=5.5V or V
SS
V
DD
=5.5V
V
I
=5.5V
I
CLKC
CLKC
0.30
1.00
μ
A
I
OZ
Output Off-state
Current
SDA,
INTRA ,
INTRB
VDD
V
O
=5.5V or V
SS
V
DD
=5.5V
-1
1
μ
A
I
DD
Time Keeping Current
V
DD
=3V,
SCL=SDA=CLKC=0V
32KOUT=OFF
OUTPUT=OPEN
CGout=CDout=0pF
*1)
Topt=-30 to +70
°
C
0.45
1.00
μ
A
V
DETH
Supply Voltage
Monitoring Voltage
“H”
Supply Voltage
Monitoring Voltage “L”
VDD
1.45
1.60
1.75
V
V
DETL
VDD
Topt=-30 to +70
°
C
1.15
1.30
1.45
V
*1) For time keeping current when outputting 32.768kHz from the 32KOUT pin, see “P.45 TYPICAL
CHARACTERISTICS”. For time keeping current when CGOUT, CDOUT is not equal to 0pF, see “P.30
Adjustment of oscillation frequency”.
相關(guān)PDF資料
PDF描述
R2023K-E2 2-wire Serial Interface Real Time Clock IC
R2023T 2-wire Serial Interface Real Time Clock IC
R2023T-E2 2-wire Serial Interface Real Time Clock IC
R2025D High precision I2C-Bus Real-Time Clock Module
R2025S High precision I2C-Bus Real-Time Clock Module
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
R2023K-E2 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:2-wire Serial Interface Real Time Clock IC
R2023T 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:2-wire Serial Interface Real Time Clock IC
R2023T-E2 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:2-wire Serial Interface Real Time Clock IC
R2-0257-02 制造商:Southco 功能描述:
R2-0259-02 制造商:Southco 功能描述:
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