參數(shù)資料
型號(hào)： R2023T-E2
廠商： RICOH COMPANY LTD
元件分類(lèi)： 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(yè)數(shù)： 4/50頁(yè)
文件大?。?/td> 512K
代理商： R2023T-E2
R2023K/T
ABSOLUTE MAXIMUM RATINGS
4
(V
SS
=0V)
Symbol
V
DD
V
I
V
O
Item
Pin Name
Description
Unit
V
V
V
Supply Voltage
Input Voltage 1
Output Voltage 1
Output Voltage 2
Power Dissipation
Operating Temperature
Storage Temperature
VDD
SCL, SDA, CLKC
SDA, INTRA , INTRB
32KOUT
Topt = 25
°
C
-0.3 to +6.5
-0.3 to +6.5
-0.3 to +6.5
-0.3 to V
DD
+ 0.3
300
-40 to +85
-55 to +125
P
D
Topt
Tstg
mW
°
C
°
C
RECOMMENDED OPERATING CONDITIONS
(V
SS
=0V, Topt=-40 to +85
°
C)
Min,
Typ.
1.7
*1)
Symbol
Vaccess
Item
Pin Name
Max.
5.5
Unit
V
Supply Voltage
Power supply voltage
for interfacing
with CPU
CGout,CDout=0pF
*1), *2)
CGout,CDout=0pF
*1), *2)
INTRA , INTRB ,
SCL, SDA
VCLK
Time keeping Voltage
Minimum Time keeping
Voltage
Oscillation Frequency
Pull-up Voltage
1.00
5.50
VCLKL
0.66
1.00
V
fXT
VPUP
32.768
5.5
kHz
V
*1) CGout is connected between OSCIN and VSS, CDout is connected between OSCOUT and VSS.
R2023K/T incorporates the capacitors between OSCIN and VSS, between OSCOUT and VSS.
Then normally, CGout and CDout are not necessary. For more detail, see “P.30
Adjustment of oscillation
frequency”
*2) Crystal oscillator: CL=6-9pF, R1=50K
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