PCF212311 View Datasheet(PDF) - NXP Semiconductors.
Part Name
Description
MFG CO.
'PCF212311' PDF : 63 Pages View PDF
NXP Semiconductors
PCF2123
SPI Real time clock/calendar
12. Static characteristics
Table 44. Static characteristics
VDD = 1.1 V to 5.5 V; VSS = 0 V; Tamb = −40 °C to +85 °C; fosc = 32.768 kHz; quartz Rs = 15 kΩ; 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
SPI-bus active
-
0.9
-
V
1.6
-
5.5
V
IDD
supply current
SPI-bus active
fSCL = 4.5 MHz;
VDD = 5 V
fSCL = 1.0 MHz;
VDD = 3 V
SPI-bus inactive;
CLKOUT disabled
-
250
400
μA
-
30
80
μA
[2]
Tamb = 25 °C;
-
VDD = 2.0 V
Tamb = 25 °C;
-
VDD = 3.0 V
Tamb = 25 °C;
-
VDD = 5.0 V
SPI-bus inactive;
[2]
CLKOUT disabled;
Tamb = −40 °C to +85 °C
VDD = 2.0 V
-
VDD = 3.0 V
-
VDD = 5.0 V
-
SPI-bus inactive;
CLKOUT enabled at 32 kHz;
Tamb = 25 °C
VDD = 2.0 V
-
VDD = 3.0 V
-
VDD = 5.0 V
-
SPI-bus inactive;
CLKOUT enabled at 32 kHz;
Tamb = −40 °C to +85 °C
VDD = 2.0 V
-
VDD = 3.0 V
-
VDD = 5.0 V
-
100
-
nA
110
-
nA
120
-
nA
-
330
nA
-
350
nA
-
380
nA
260
-
nA
340
-
nA
520
-
nA
-
450
nA
-
550
nA
-
750
nA
PCF2123
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 5 — 27 April 2011
© NXP B.V. 2011. All rights reserved.
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