RV-1805-C3 Datasheet, PDF (2/2 Pages) MICORO CRYSTAL SWITZERLAND – Extreme Low Power RTC Module

ELECTRICAL CHARACTERISTICS
AT 25°C:
ENVIRONMENTAL
CHARACTERISTICS:
TERMINATIONS AND
PROCESSING:
CURRENT CONSUMPTION vs.
POWER SUPPLY VOLTAGE:
PIN CONNECTIONS
TOP VIEW:
Symbol Condition Min. Typ. Max Unit
Supply voltage
Supply voltage
Current consumption
Time Keeping Mode
V_DD
Time keeping 1.5
3.6 V
V_DD Startup Voltage 1.6
3.6 V
32 kHz XTAL V_DD 3 V
60 80 nA
I_DD
RC-Mode V_DD 3 V
17 25 nA
RC-AUTOCAL V_DD 3 V
22 32 nA
Current consumption
I²C f_SCL = 400 kHz
I_COM
pull-up 2.2k V_DD 3.0 V
pull-up 2.2k V_DD 1.7 V
6
1.5
μA
μA
Time accuracy
t/t
@ 25°C
±2.0
ppm
CLKOUT frequency
Frequency tolerance
Programmable 32768...to...¹/₆₀ Hz
F/F 32768Hz @25°C
±100
ppm
Aging first year max. F/F
@ 25°C
±3
ppm
Frequency vs. temp. F/F_O
20 ≤ T₀ ≤ 30
ppm ^{–0.035 ppm/}°C² ^{(T - T}0^{)2 ±10%}
Conditions
Max. Dev.
Storage temp. range
–55 to +125°C
TA Operating temperature range
–40 to +85°C
Shock resistance
F/F 5000 g, 0.3 ms, ½ sine +/-5 ppm
Vibration resistance
F/F 20 g / 10–2000 Hz +/-5 ppm
Package-Type
SON 10-pin
Termination
For SMD mounting
Au plated pads
Processing
Reflow soldering
260°C / 20 s max.
80
T_A = 25°C
70
XTAL Oscillator Mode
60
50
40
30
RC Autocalibration Mode
20
10
RC Oscillator Mode
0
1.5
2.0
2.5
3.0
3.5
V_DD [V]
Product Marking
#10
#6
1805
#1
#5
Pin 1 Index
Pin
Connection
1
V_DD
Power Supply Voltage
2
Cap_RC
Capacitor RC-Oscillator
3
CLK/INT
Clock Output / Interrupt
4
SCL
Serial Clock Input
5
SDA
Serial Data
6
V_SS
Ground
7
V_BACKUP
Backup Supply Voltage
8
PSW
Power Switch Output
9
WDI
Watchdog Input
10
RST
Reset Output
All specifications subject to change without notice.
Micro Crystal AG
Mühlestrasse 14
CH-2540 Grenchen
Switzerland
Tel. [phone]
Fax [phone]
[e-mail]
www.microcrystal.com
Version 1.2/01.2015