Datasheet

ELECTRICAL CHARACTERISTICS
STATIC ELECTRICAL CHARACTERISTICS
Analog Integrated Circuit Device Data
14 Freescale Semiconductor
MC13892
32 KHZ CRYSTAL OSCILLATOR
Operating Voltage
Oscillator and RTC Block from BP
V
XTAL
1.2 – 4.65
V
Coincell Disconnect Threshold
At LICELL
V
LCD
1.8 – 2.0
V
Output Low CLK32K, CLK32KMCU
Output sink 100 µA
V
CLKLO
0.0 – 0.2
V
Output High
CLK32K Output source 100 µA
CLK32KMCU Output source 100 µA
V
CLKHI
V
CLKMCUHI
SPIV
CC
-0.2
V
SRTC
-0.2
–
–
SPIV
CC
V
SRTC
V
VSRTC GENERAL
Operating Input Voltage Range V
INMIN
to V
INMAX
Valid Coin Cell range
Or valid BP
V
LICELL
BP
1.8
UVDET
–
–
3.6
4.65
V
Operating Current Load Range IL
MIN
to IL
MAX
I
SRTC
0.0 – 50 µA
Bypass Capacitor Value
C
SRTC
– 1.0 – µF
VSRTC ACTIVE MODE – DC
Output Voltage V
OUT
V
INMIN
< V
IN
< V
INMAX
, IL
MIN
< IL < IL
MAX
V
SRTC
1.15 1.20 1.25
V
CLK AND MISO
Input Low CS, MOSI, CLK
V
INCSLO
V
INMOSILO
V
INCLKLO
0.0 – 0.3*SPIV
CC
V
Input High CS, MOSI, CLK
V
INCSHI
V
INMOSIHI
V
INCLKHI
0.7*SPIV
CC
– SPIV
CC
+0.3
V
Output Low MISO, INT
Output sink 100 µA
V
OMISOLO
V
OINTLO
0.0 – 0.2
V
Output High MISO, INT
Output source 100 µA
V
OMISOHI
V
OINTHI
SPIV
CC
-0.2 – SPIV
CC
V
SPIVCC Operating Range
SPIV
CC
1.75 – 3.1 V
Table 5. Static Electrical Characteristics (continued)
Characteristics noted under conditions - 40 °C ≤ T
A
≤ 85 °C, GND = 0 V unless otherwise noted. Typical values noted reflect
the approximate parameter means at T
A =
25 °C under nominal conditions, unless otherwise noted.
Characteristic Symbol Min Typ Max Unit