pca2125 NXP Semiconductors, pca2125 Datasheet - Page 30

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

NXP Semiconductors
Table 42.
V
specified.
[1]
PCA2125_00
Preliminary data sheet
Symbol
I
I
Inputs
V
V
V
V
I
C
Outputs
V
V
I
I
I
I
C
DD2
DD3
LI
OH
OL
OL
LO
DD
IL
I
I
IH
O
O
i
OSCO
= 1.2 to 5.5 V; V
For reliable oscillator start at power-up: V
Static characteristics
Parameter
supply current 2
supply current 3
LOW-level input voltage
Input voltage
Input voltage
HIGH-level input voltage
input leakage current
input capacitance
Output voltage
Output voltage
HIGH-level output current
LOW-level output current
output leakage current
Capacitance on OSCO
LOW-level output current
SS
= 0 V; T
amb
=
−
40 to +125
DD
Conditions
SPI bus inactive; CLKOUT
disabled; (f
T
V
V
V
SPI bus inactive (f
CLKOUT disabled;
T
V
V
V
SPI bus inactive (f
CLKOUT enabled at 32 kHz;
T
V
V
V
SPI bus inactive (f
CLKOUT enabled at 32 kHz;
T
V
V
V
for OSCI pin
for pins CE, SDI, SCL
V
for pins OSCO and SDO
for CLKOUT and INT (refers to
external pull-up voltage)
V
V
and CLKOUT)
V
V
= V
amb
DD
DD
DD
amb
DD
DD
DD
amb
DD
DD
DD
amb
DD
DD
DD
I
OH
OL
OL
O
= V
= V
DD(min)
= 0.4 V; V
= 0.4 V; V
= 5.0 V
= 3.0 V
= 2.0 V
= 5.0 V
= 3.0 V
= 2.0 V
= 5.0 V
= 3.0 V
= 2.0 V
= 5.0 V
= 3.0 V
= 2.0 V
Rev. 00.11 — 30 January 2007
= 4.6 V; V
= 25 °C
= −40 to +125 °C
= 25 °C
= −40 to +125 °C
°
DD
C; f
DD
or V
+ 0.3 V.
or V
osc
SCL
SS
= 32.768 kHz; quartz R
SS
DD
DD
DD
= 0 Hz);
= 5 V (INT
= 5 V
= 5 V
SCL
SCL
SCL
= 0 Hz);
= 0 Hz);
= 0 Hz);
[2]
[2]
[3]
Min
-
-
-
-
-
-
-
-
-
-
-
-
V
-0.5
-0.5
0.7V
−1
-
0.7V
0.7V
-
−1.5
−1
−1
-
s
SS
= 60 k
DD
DD
DD
Ω
SPI Real time clock / calendar
; C
Typ
550
550
550
-
680
-
-
-
-
-
-
-
-
-
-
-
0
-
-
-
-
-
-
0
25
L
= 12 pF; unless otherwise
PCA2125
© NXP B.V. 2007. All rights reserved.
Max
725
725
725
-
1000
-
-
-
-
-
-
-
0.3V
V
5.5
V
+1
7
V
5.5
1.5
-
-
+1
-
DD
DD
DD
+0.5
+0.5
DD
Unit
nA
nA
nA
nA
nA
nA
nA
nA
nA
nA
nA
nA
V
V
V
V
µA
pF
V
V
mA
mA
mA
µA
pF
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