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R2051 Datasheet(PDF) 2 Page - RICOH electronics devices division

Part No. R2051
Description  2 wire interface Real-Time Clock ICs with Battery Backup switch-over Function
Download  58 Pages
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Manufacturer  RICOH [RICOH electronics devices division]
Direct Link  http://www.ricoh.com
Logo RICOH - RICOH electronics devices division

R2051 Datasheet(HTML) 2 Page - RICOH electronics devices division

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R2051 Series
2
PIN CONFIGURATION
CLKOUT
SCL
VCC
NC
NC
1
2
3
4
5
6
7
9
TOP VIEW
R2051Sxx(SSOP16)
VSB
13
15
SDA
NC
VDCC
NC
VDD
INTR
10
11
12
14
OSCIN
CIN
8
16
VSS
OSCOUT
VDD
VCC
VSS
10
11
12
4
TOP VIEW
R2051Kxx(FFP12)
VSB
VDCC
CIN
5
6
CLKOUT
SCL
CIN
VSS
VCC
VDD
OSCOUT
1
2
3
4
5
6
7
9
TOP VIEW
R2051Txx(TSSOP10G)
VSB
10
8
SDA
OSCIN
BLOCK DIAGRAM
OSCOUT
VSS
VDD
INTR
(NC)
CPU POWER
SUPLLY
OSCIN
VCC
VSB
CPU
REAL
TIME
CLOCK
SDA
SCL
C3
BATTERY
VOLTAGE
MONITOR
VDCC
(NC)
VOLTAGE
DETECTOR
SW1
SW2
CLKOUT
C2
R1
DELAY
CIN
VOLTAGE
REFERENCE
C1
( ) are for the R2051Txx only


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