DS3050W-100# Maxim Integrated Products, DS3050W-100# Datasheet - Page 15

• 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

Figure 2. Prevent Accidental Clearing of IRQ Waveforms
Figure 3. Battery Backup Mode Alarm Waveforms
WE OR OE
ABE, AE
IRQ/FT
IRQ/FT
A0–A3
V
CC
AF
CS
CE
3.3V Single-Piece 4Mb Nonvolatile SRAM
HIGH IMPEDANCE
INADVERTENT WRITE OR READ OF
____________________________________________________________________
RTC FLAGS REGISTER
WILL RESET IRQ/FT
ADDRESS 0h
V
TP
HIGH IMPEDANCE
t
AS
with Clock
INTENTIONAL WRITE OR
READ AT ADDRESS Xh
ADDRESS Xh
HIGH IMPEDANCE
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