DS1556P Maxim Integrated Products, Inc., DS1556P Datasheet - Page 12

• Manufacturer Part Number: DS1556P
• Description: 1m, Nonvolatile, Y2k-compliant Timekeeping Ram
• Manufacturer: Maxim Integrated Products, Inc.

DC ELECTRICAL CHARACTERISTICS
(V
Figure 5. Read Cycle Timing Diagram
Active Supply Current
TTL Standby Current
(CE = V
CMOS Standby Current
(CE ³ 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%, Over the Operating Range.)
= -1.0 mA)
PARAMETER
CC
IH
)
- 0.2V)
SYMBOL
V
V
V
I
I
V
V
I
I
I
CC1
CC2
CC
OL
OL1
OL2
IL
OH
SO
PF
(Notes 2, 3)
(Notes 2, 3)
(Notes 2, 3)
(Note 1)
I
Outputs (Note 1)
I
and RST Outputs
(Notes 1, 5)
(Note 1)
(Notes 1,4)
OUT
OUT
12 of 21
= 2.1 mA, DQ0–7
= 7.0 mA, IRQ/FT
CONDITIONS
DS1556 1M, Nonvolatile, Y2K-Compliant Timekeeping RAM
MIN
2.75
2.4
-1
-1
TYP
V
V
20
or
2
1
BAT
PF
MAX
2.97
0.4
0.4
30
+1
+1
6
4
UNITS
mA
mA
mA
mA
mA
V
V
V
V
V