PCF2127AT/1,518 NXP Semiconductors, PCF2127AT/1,518 Datasheet - Page 64

• Manufacturer Part Number: PCF2127AT/1,518
• Description: IC RTC/CALENDAR TCXO QTZ 20SOIC
• Manufacturer: NXP Semiconductors
• Type: Clock/Calendar/Alarmr

Specifications of PCF2127AT/1,518

• Package / Case: 20-SOIC (0.300", 7.50mm Width)
• Time Format: HH:MM:SS (12/24 hr)
• Memory Size: 512B
• Date Format: YY-MM-DD-dd
• Interface: I²C, 2-Wire Serial
• Voltage - Supply: 1.8 V ~ 4.2 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Function: Serial Clock, Timestamp, Timekeeper, Watchdog, Alarm, Calendar, Timer, Timer Interrupt
• Rtc Memory Size: 512 bytes
• Supply Voltage (max): 4.2 V
• Supply Voltage (min): 1.8 V
• Mounting Style: SMD/SMT
• Rtc Bus Interface: I2C
• Supply Current: 2600 nA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

NXP Semiconductors
12. Static characteristics
Table 61.
V
PCF2127A_2
Product data sheet
Symbol
Supplies
V
V
V
V
I
I
Power management
V
V
V
DD
BAT
DD
DD
BAT
DD(cal)
low
th(sw)bat
th(bat)low
th(PFI)
= 1.8 V to 4.2 V; V
Static characteristics
Parameter
supply voltage
battery supply voltage
calibration supply voltage
low voltage
supply current
battery supply current
battery switch threshold
voltage
low battery threshold voltage
threshold voltage on pin PFI
SS
= 0 V; T
amb
=
−
40
All information provided in this document is subject to legal disclaimers.
Conditions
interface active
SPI-bus
I
interface inactive (f
CLKOUT disabled (COF[2:0]) = 111), one power supply V
(PWRMNG[2:0] = 111), timestamp detection disabled (TSOFF = 1)
CLKOUT enabled at 32 kHz (default), one power supply V
(PWRMNG[2:0] = 111), timestamp detection disabled (TSOFF = 1)
CLKOUT disabled (COF[2:0]) = 111), power management functions enabled
(default), timestamp detection enabled (default)
CLKOUT enabled at 32 kHz (default); power management functions enabled
(default), timestamp detection enabled (default)
V
V
°
2
C to +85
C-bus
DD
BAT
f
f
V
V
V
V
V
V
V
V
V
V
V
V
SCL
SCL
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
active;
= 3.0 V
= 6.5 MHz
= 400 kHz
= 2.0 V
= 3.3 V
= 4.2 V
= 2.0 V
= 3.3 V
= 4.2 V
= 2.0 V
= 3.3 V
= 4.2 V
= 2.0 V
= 3.3 V
= 4.2 V
Rev. 02 — 7 May 2010
°
C, unless otherwise specified.
SCL
= 0 Hz)
Integrated RTC, TCXO and quartz crystal
[1]
Min
1.8
1.8
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Typ
-
-
3.3
1.2
-
-
500
700
800
600
850
1050
1800
2150
2350
1900
2300
2600
50
2.5
2.5
1.25
PCF2127A
DD
DD
© NXP B.V. 2010. All rights reserved.
Max
4.2
4.2
-
-
800
200
-
1500
-
-
-
-
-
-
3500
-
-
-
100
-
-
-
[2]
64 of 80
Unit
V
V
V
V
μA
μA
nA
nA
nA
nA
nA
nA
nA
nA
nA
nA
nA
nA
nA
V
V
V