參數(shù)資料
型號: R2023T-E2
廠商: RICOH COMPANY LTD
元件分類: XO, clock
英文描述: 2-wire Serial Interface Real Time Clock IC
中文描述: REAL TIME CLOCK, PDSO10
封裝: 4 X 2.90 MM, 1 MM HEIGHT, TSSOP-10
文件頁數(shù): 5/50頁
文件大?。?/td> 512K
代理商: R2023T-E2
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”.
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