DS1486-120+ Maxim Integrated Products, DS1486-120+ Datasheet - Page 13

• Manufacturer Part Number: DS1486-120+
• Description: IC TIMEKEEPER RAM 128K 32-EDIP
• Manufacturer: Maxim Integrated Products
• Type: Watchdog Timer/NVSRAMr

Specifications of DS1486-120+

• Memory Size: 1M (128K x 8)
• Time Format: HH:MM:SS:hh (12/24 hr)
• Date Format: YY-MM-DD-dd
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Through Hole
• Package / Case: 32-DIP Module (600 mil), 32-EDIP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

POWER-UP/POWER-DOWN TIMING
(T
PARAMETER
CE High to Power-Fail
Recovery at Power-Up
V
Power-Down
V
Power-Down
V
Expected Data Retention
POWER-DOWN/POWER-UP TIMING
WARNING:
Under no circumstances are negative undershoots, of any amplitude, allowed when device is in
battery-backup mode.
CC
CC
CC
A
= 0°C to +70°C)
Slew Rate
Slew Rate
Slew Rate Power-Up
4.5V ³ V
3.0 £ V
4.0 £ V
SYMBOL
13 of 14
t
CC
t
t
t
REC
CC
t
t
DR
FB
PF
R
F
CC
£ 4.25V
£ 4.5V
³ 4.0V
MIN
300
10
10
0
MAX
200
0
UNITS
years
ms
ns
ms
ms
ms
NOTES
9