Rainbow Electronics DS1286 - Manual (Page 8)

DS1286
8 of 13
TIME OF DAY ALARM MASK BITS Figure 3
REGISTER
(3)MINUTES (5)HOURS (7)DAYS
1 1 1 ALARM ONCE PER MINUTE
0 1 1 ALARM WHEN MINUTES MATCH
0 0 1 ALARM WHEN HOURS AND MINUTES MATCH
0 0 0 ALARM WHEN HOURS, MINUTES, AND DAYS
MATCH
ABSOLUTE MAXIMUM RATINGS*
Voltage on Any Pin Relative to Ground -0.3V to +7.0V
Operating Temperature 0°C to 70°C
Storage Temperature -40°C to +70°C
Soldering Temperature 260°C for 10 seconds (See Note 14)
* This is a stress rating only and functional operation of the device at these or any other conditions
above those indicated in the operation sections of this specification is not implied. Exposure to
absolute maximum rating conditions for extended periods of time may affect reliability.
RECOMMENDED DC OPERATING CONDITIONS (0
°
C to 70
°
C)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
Power Supply Voltage V
CC
4.5 5.0 5.5 V 10
Input Logic 1 V
IH
2.2 V
CC
+0.3 V 10
Input Logic 0 V
IL
-0.3 0.8 V 10
DC ELECTRICAL CHARACTERISTICS (0
°
C to 70
°
C; V
CC
= 5V
± =10%)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
Input Leakage Current I
IL
-1.0 +1.0
µ
A
Output Leakage Current I
LO
-1.0 +1.0
µ
A
I/O Leakage Current
CE
≥
V
IH
≤
V
CC
I
LIO
-1.0 +1.0
µ
A
Output Current @ 2.4V I
OH
-1.0 mA
Output Current @ 0.4V I
OL
2.0 mA 13
Standby Current CE = 2.2V
I
CCS1
3.0 7.0 mA
Standby Current CE > V
CC
-0.5
I
CCS2
4.0 mA
Active Current I
CC
15 mA
Write Protection Voltage V
TP
4.25 V
CAPACITANCE (t
A
= 25
°
C)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
Input Capacitance C
IN
7 10 pF
Output Capacitance C
OUT
7 10 pF
Input/Output Capacitance C
I/O
7 10 pF