DS2045L
Features
- Single-Piece, Reflowable, BGA Package Footprint
- Internal ML Battery and Charger
- Unconditionally Write-Protects SRAM when VCC is Out-of-Tolerance
- Automatically Switches to Battery Supply when VCC Power Failures Occur
- Internal Power-Supply Monitor Detects Power Fail Below Nominal VCC (3.3V)
- Reset Output can be used as a CPU Supervisor for a Microprocessor
- Industrial Temperature Range (-40°C to +85°C)
- UL Recognized 27mm2
General Description
Applications
RAID Systems and Servers Industrial Controllers Gaming Router/Switches POS Terminals Data-Acquisition Systems Fire Alarms PLCs
Pin Configuration appears at end of data sheet.
PART DS2045L-100
TEMP RANGE -40°C to +85°C
PIN-PACKAGE
256 Ball 27mm2 BGA Module w w w
P4.0 P3.6 P3.7 P1.0- 7 P4.4 P2.0- 7 P3.2
.D
(CE0) (WR) (RD) t a
S a
8 BITS e h t e
U 4
.c m o
Ordering Information
SPEED (ns) 100 SUPPLY TOLERANCE (%) 3.3V ±0.3V
Typical Operating Circuit
CE WE OE
AD0- AD7
DQ0- 7
MICROPROCESSOR...
