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PCF2123 Datasheet(PDF) 4 Page - NXP Semiconductors

Part # PCF2123
Description  SPI Real time clock/calendar
PDF  55 Pages
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Manufacturer  NXP [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo NXP - NXP Semiconductors

PCF2123 Datasheet(HTML) 4 Page - NXP Semiconductors

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PCF2123_2
© NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 02 — 4 December 2009
4 of 55
NXP Semiconductors
PCF2123
SPI Real time clock/calendar
7.
Pinning information
7.1 Pinning
Top view. For mechanical details, see Figure 30.
For mechanical details, see Figure 31.
Fig 2.
Pin configuration for TSSOP14 (PCF2123TS)
Fig 3.
Pin configuration for HVQFN16 (PCF2123BS)
PCF2123
OSCI
VDD
OSCO
CLKOUT
n.c.
CLKOE
TEST
n.c.
INT
SCL
CE
SDI
VSS
SDO
001aai551
1
2
3
4
5
6
7
8
10
9
12
11
14
13
001aai550
PCF2123
Transparent top view
CE
SDI
INT
SCL
TEST
CLKOE
OSCO
CLKOUT
4
9
3
10
2
11
1
12
terminal 1
index area
Viewed from active side. For mechanical details, see Figure 32 and Figure 33.
Fig 4.
Pin configuration for PCF2123U/10 (bare die) and PCF2123U/12 (bare die)
001aai544
7
6
OSCI
VDD
PCF2123U
8
OSCO
9
TEST
10
INT
11
CE
12
VSS
5
CLKOUT
4
CLKOE
3
SCL
2
SDI
1
SDO



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