參數(shù)資料
型號(hào): R2033K
廠商: Ricoh Co., Ltd.
英文描述: 3 wire interface Real-Time Clock ICs
中文描述: 3線接口實(shí)時(shí)時(shí)鐘芯片
文件頁(yè)數(shù): 5/50頁(yè)
文件大?。?/td> 542K
代理商: R2033K
R2033K/T
DC ELECTRICAL CHARACTERISTICS
R2033K/T
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
IH1
CE, SCLK,
CLKC
V
IH2
SIO
Conditions
V
DD
=1.7 to 5.5V
Min.
0.8x
V
DD
0.8x
V
DD
-0.3
Typ.
Max.
5.5
Unit
V
“H” Input Voltage
V
DD
+0.
3
0.2x
V
DD
-0.5
V
IL
“L” Input Voltage
CE, SCLK,
CLKC, SIO
SIO,
32KOUT
INTR
SIO,
32KOUT
SCLK
I
OH
“H” Output
Current
“L” Output
Current
V
OH
=V
DD
-0.5V
mA
I
OL1
I
OL2
2.0
0.5
V
OL
=0.4V
mA
I
IL
Input Leakage
Current
Pull-down Resistance
Pull-down Resister
Input Leakage Current
V
I
=5.5V or V
SS
V
DD
=5.5V
V
I
=5.5V
-1.0
1.0
μ
A
R
DNCE
I
CLKC
CE
CLKC
40
120
0.30
400
1.00
k
μ
A
I
OZ1
SIO
V
O
=5.5V or V
SS
V
DD
=5.5V
V
O
=5.5V
V
DD
=5.5V
V
DD
=3V,
CE=SCLK=SIO=CLKC
= INTR =0V
32KOUT=OFF
Output = OPEN
CGout=CDout=0pF
*1)
Topt=-30 to +70
°
C
-1
1
I
OZ2
Output Off-state
Current
INTR
-1
1
μ
A
I
DD
Time Keeping Current
VDD
0.45
1.00
μ
A
V
DETH
Supply Voltage
Monitoring Voltage “H”
Supply Voltage
Monitoring Voltage “L”
VDD
VDD
1.45
1.60
1.75
V
V
V
DETL
Topt=-30 to +70
°
C
1.15
1.30
1.45
*1) For time keeping current when outputting 32.768kHz from the 32KOUT pin, see “P.44 TYPICAL
CHARACTERISTICS”. For time keeping current when CGOUT, CDOUT is not equal to 0pF, see “P.29
Adjustment of oscillation frequency”.
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R2033K-E2 制造商:RICOH 制造商全稱(chēng):RICOH electronics devices division 功能描述:3 wire interface Real-Time Clock ICs
R2033T 制造商:RICOH 制造商全稱(chēng):RICOH electronics devices division 功能描述:3 wire interface Real-Time Clock ICs
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