pca2125 NXP Semiconductors, pca2125 Datasheet - Page 2

• Manufacturer Part Number: pca2125
• Description: Spi Real Time Clock / Calendar Semiconductors
• Manufacturer: NXP Semiconductors

NXP Semiconductors
Table 1.
2. Pinning information
PCA2125_00
Preliminary data sheet
Symbol
I
T
T
DD
amb
stg
Quick reference data
Parameter
supply current
ambient temperature
storage temperature
2.1 Pinning
2.2 Pin description
Table 2.
Symbol
OSCI
OSCO
nc
nc
INT
CE
V
SDO
SDI
SCL
nc
Fig 1. Pin configuration TSSOP14
SS
…continued
Pin description PCA2125
Conditions
SPI bus inactive and CLKOUT disabled;
f
V
V
operating
f
f
SCL
SCL
SCL
Pin
1
2
3
4
5
6
7
8
9
10
11
DD
DD
= 0 kHz; T
= 5 V
= 2 V
Rev. 00.11 — 30 January 2007
= 7.0 MHz
= 1.0 MHz
OSCO
OSCI
V
n.c.
n.c.
INT
Description
oscillator input
oscillator output
Do not connect and do not use as feed through. Connect to V
floating pins not allowed.
Do not connect and do not use as feed through. Connect to V
floating pins not allowed.
interrupt output (open-drain; active LOW). When not used, must be
connected to V
chip enable input (active HIGH) with 200 kΩ pull down.
ground
serial data output, push-pull
serial data input. May float when CE inactive.
serial clock input. May float when CE inactive.
Do not connect and do not use as feed through. Connect to V
floating pins not allowed.
CE
SS
amb
1
2
3
4
5
6
7
= 25 °C
PCA2125
SS
or pulled high via a resistor.
001aaf892
14
13
12
11
10
9
8
V
CLKOUT
n.c.
n.c.
SCL
SDI
SDO
SPI Real time clock / calendar
DD
Min
-
-
-
-
−40
−65
Typ
-
-
550
550
-
-
PCA2125
© NXP B.V. 2007. All rights reserved.
Max
800
200
725
725
+125
+150
Unit
µA
µA
nA
nA
°C
°C
2 of 40
DD
DD
DD
if
if
if