DS3050W-100# Maxim Integrated Products, DS3050W-100# Datasheet - Page 10

• Manufacturer Part Number: DS3050W-100#
• Description: IC NVSRAM 4MBIT 100NS 256BGA
• Manufacturer: Maxim Integrated Products

Specifications of DS3050W-100#

• Format - Memory: RAM
• Memory Type: NVSRAM (Non-Volatile SRAM)
• Memory Size: 4M (512K x 8)
• Speed: 100ns
• Interface: Parallel
• Voltage - Supply: 3 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 256-BGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

3.3V Single-Piece 4Mb Nonvolatile SRAM
with Clock
10
A0–A18
GND
V
CS
WE
CE
OE
CC
____________________________________________________________________
ML
V
SW
V
TP
CURRENT-LIMITING
REF
REF
RESISTOR
BATTERY-CHARGING/SHORTING
PROTECTION CIRCUITRY (U.L. RECOGNIZED)
CURRENT-LIMITING
RESISTOR
REDUNDANT LOGIC
A0-A3
WE
CS
OE
DELAY TIMING
CIRCUITRY
REAL-TIME
32.768kHz
CLOCK
REDUNDANT
SERIES FET
CHARGER
UNINTERRUPTED
POWER SUPPLY
V
FOR THE SRAM
WE
CE
Functional Diagram
OE
CC
AND RTC
SRAM
DS3050W
RST
DQ0–7
IRQ/FT