PCF2127AT/1,518 NXP Semiconductors, PCF2127AT/1,518 Datasheet - Page 65

• 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
Table 61.
V
[1]
[2]
[3]
PCF2127A_2
Product data sheet
Symbol
Inputs
V
V
V
I
C
Outputs
V
I
I
I
LI
OL
OH
LO
DD
I
IL
IH
O
i
= 1.8 V to 4.2 V; V
For reliable oscillator start-up at power-on: V
Timer source clock =
Tested on sample basis.
Static characteristics
Parameter
input voltage
LOW-level input voltage
HIGH-level input voltage
input leakage current
input capacitance
output voltage
LOW-level output current
HIGH-level output current
output leakage current
SS
1
⁄
60
= 0 V; T
Hz, level of pins SDA/CE, SDI and SCL is V
amb
…continued
=
−
40
All information provided in this document is subject to legal disclaimers.
V
Conditions
T
V
on pins CLKOUT, INT, RST,
PFO, referring to external pull-up
on pin SDO
output sink current;
V
output source current;
on pin SDO; V
4.2 V
V
°
DD(po)min
C to +85
amb
DD
I
OL
O
on pin SDA/CE
on all other outputs
= V
= V
= 0.4 V
> 2.0 V
= −20 °C to +85 °C;
DD
DD
= V
Rev. 02 — 7 May 2010
or V
or V
°
DD(min)
C, unless otherwise specified.
SS
SS
OH
= 3.8 V; V
+ 0.3 V.
DD
or V
DD
SS
=
.
Integrated RTC, TCXO and quartz crystal
[3]
Min
−0.5
-
-
0.7V
−1
-
−0.5
−0.5
3
1.0
1.0
−1
DD
Typ
-
-
-
-
0
-
-
-
17
-
-
0
PCF2127A
© NXP B.V. 2010. All rights reserved.
Max
V
0.25V
0.3V
-
+1
7
5.5
V
-
-
-
1
DD
BBS
+ 0.5
DD
+ 0.5 V
DD
65 of 80
Unit
V
V
V
V
μA
pF
V
mA
mA
mA
μA