PCF2127 View Datasheet(PDF) - NXP Semiconductors.
Part Name
Description
MFG CO.
'PCF2127' PDF : 101 Pages View PDF
NXP Semiconductors
PCF2127
Accurate RTC with integrated quartz crystal for industrial applications
13. Static characteristics
Table 90. Static characteristics
VDD = 1.8 V to 4.2 V; VSS = 0 V; Tamb = 40 C to +85 C, unless otherwise specified.
Symbol Parameter
Conditions
Min
Supplies
VDD
VBAT
VDD(cal)
supply voltage
battery supply voltage
calibration supply
voltage
[1] 1.8
1.8
-
Vlow
low voltage
IDD
supply current
-
interface active;
supplied by VDD
SPI-bus (fSCL = 6.5 MHz)
-
I2C-bus (fSCL = 400 kHz)
-
interface inactive (fSCL = 0 Hz)[2];
TCR[1:0] = 00 (see Table 13 on page 12)
PWRMNG[2:0] = 111 (see Table 25 on page 18);
TSOFF = 1 (see Table 68 on page 50);
COF[2:0] = 111 (see Table 15 on page 14)
VDD = 1.8 V
-
VDD = 3.3 V
-
VDD = 4.2 V
-
PWRMNG[2:0] = 111 (see Table 25 on page 18);
TSOFF = 1 (see Table 68 on page 50);
COF[2:0] = 000 (see Table 15 on page 14)
VDD = 1.8 V
-
VDD = 3.3 V
-
VDD = 4.2 V
-
PWRMNG[2:0] = 000 (see Table 25 on page 18);
TSOFF = 0 (see Table 68 on page 50);
COF[2:0] = 111 (see Table 15 on page 14)
VDD or VBAT = 1.8 V
[3] -
VDD or VBAT = 3.3 V
[3] -
VDD or VBAT = 4.2 V
[3] -
PWRMNG[2:0] = 000 (see Table 25 on page 18);
TSOFF = 0 (see Table 68 on page 50);
COF[2:0] = 000 (see Table 15 on page 14)
IL(bat)
battery leakage
current
VDD or VBAT = 1.8 V
VDD or VBAT = 3.3 V
VDD or VBAT = 4.2 V
VDD is active supply;
VBAT = 3.0 V
[3] -
[3] -
[3] -
-
Typ
-
-
3.3
1.2
-
-
470
700
800
560
850
1 050
1 750
2 150
2 350
1 840
2 300
2 600
50
Max
4.2
4.2
-
-
800
200
-
1 500
-
-
-
-
-
-
3 500
-
-
-
100
Unit
V
V
V
V
A
A
nA
nA
nA
nA
nA
nA
nA
nA
nA
nA
nA
nA
nA
PCF2127
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 8 — 19 December 2014
© NXP Semiconductors N.V. 2014. All rights reserved.
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