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PCF2123TS датащи(PDF) 40 Page - NXP Semiconductors

номер детали PCF2123TS
подробное описание детали  SPI Real time clock/calendar Time keeping application
PDF  63 Pages
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производитель  NXP [NXP Semiconductors]
домашняя страница  http://www.nxp.com
Logo NXP - NXP Semiconductors

PCF2123TS датащи(HTML) 40 Page - NXP Semiconductors

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PCF2123
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2011. All rights reserved.
Product data sheet
Rev. 5 — 27 April 2011
40 of 63
NXP Semiconductors
PCF2123
SPI Real time clock/calendar
12. Static characteristics
Table 44.
Static characteristics
VDD = 1.1 V to 5.5 V; VSS =0V; Tamb = −40 °C to +85 °C; fosc = 32.768 kHz; quartz Rs =15kΩ; CL = 7 pF; unless otherwise
specified.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
Supplies
VDD
supply voltage
for clock data integrity;
SPI-bus inactive
[1] 1.1
-
5.5
V
Tamb =25 °C-
0.9
-
V
SPI-bus active
1.6
-
5.5
V
IDD
supply current
SPI-bus active
fSCL = 4.5 MHz;
VDD =5V
-
250
400
μA
fSCL = 1.0 MHz;
VDD =3V
-30
80
μA
SPI-bus inactive;
CLKOUT disabled
[2]
Tamb =25 °C;
VDD =2.0 V
-
100
-
nA
Tamb =25 °C;
VDD =3.0 V
-110
-nA
Tamb =25 °C;
VDD =5.0 V
-
120
-
nA
SPI-bus inactive;
CLKOUT disabled;
Tamb = −40 °Cto +85 °C
[2]
VDD = 2.0 V
-
-
330
nA
VDD = 3.0 V
-
-
350
nA
VDD = 5.0 V
-
-
380
nA
SPI-bus inactive;
CLKOUT enabled at 32 kHz;
Tamb =25 °C
VDD = 2.0 V
-
260
-
nA
VDD = 3.0 V
-
340
-
nA
VDD = 5.0 V
-
520
-
nA
SPI-bus inactive;
CLKOUT enabled at 32 kHz;
Tamb = −40 °C to +85 °C
VDD = 2.0 V
-
-
450
nA
VDD = 3.0 V
-
-
550
nA
VDD = 5.0 V
-
-
750
nA



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