DS1553 Maxim, DS1553 Datasheet - Page 12

• Manufacturer Part Number: DS1553
• Description: The DS1553 is a full-function, year-2000-compliant (Y2KC) real-time clock/calendar (RTC) with an RTC alarm, watchdog timer, power-on reset, battery monitor, and "8k x 8 nonvolatile static RAM (NV SRAM)
• Manufacturer: Maxim

DC ELECTRICAL CHARACTERISTICS
(V
Figure 5. Read Cycle Timing Diagram
Active Supply Current
TTL Standby Current (CE = V
CMOS Standby Current
(CE   V
Input Leakage Current (Any Input)
Output Leakage Current (Any Output)
Output Logic 1 Voltage
(I
Output Logic 0
Voltage
Write Protection Voltage
Battery Switchover Voltage
CC
OUT
= 3.3V ±10%, T
= -1.0mA)
CC
- 0.2V)
PARAMETER
I
DQ0–7 Outputs
I
and RST Outputs
OUT
OUT
= 2.1mA,
= 7.0mA, IRQ/FT
A
= Over the operating range.)
IH
)
SYMBOL
V
V
V
I
I
V
V
I
I
I
CC1
CC2
CC
OL
OL1
OL2
IL
OH
SO
PF
12 of 20
MIN
2.75
2.4
-1
-1
or V
TYP
V
0.7
0.7
10
BAT
PF
MAX
2.97
0.4
0.4
+1
+1
30
2
2
UNITS
mA
mA
mA
A
A
V
V
V
V
V
NOTES
2, 3
2, 3
2, 3
1, 5
1, 4
1
1
1