Description
DS2045W
Applications
RAID Systems and Servers Industrial Controllers Gaming Router/Switches POS Terminals Data-Acquisition Systems Fire Alarms PLC
Pin Configuration appears at end of data sheet.PART DS2045W-100
TEMP RANGE -40°C to +85°C
PIN-PACKAGE
256 Ball 27mm2 BGA Module
w
8051 MICROPROCESSOR
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
T
Features
- Single-Piece, Reflowable, PBGA 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 27m.