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M48T248Y Datasheet(PDF) 5 Page - STMicroelectronics

Part # M48T248Y
Description  5.0 or 3.3V, 1024K TIMEKEEPER SRAM with PHANTOM
PDF  24 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M48T248Y Datasheet(HTML) 5 Page - STMicroelectronics

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M48T248Y, M48T248V
Figure 4. Block Diagram
UPDATE
DQ0
VCC
VBAT
DATA
INTERNAL VCC
READ
WRITE
32.768 Hz
CRYSTAL
XI
XO
POWER
FAIL
A0–A16
DQ0–DQ7
CLOCK/CALENDAR
LOGIC
TIMEKEEPER
REGISTER
SRAM
CONTROL
LOGIC
ACCESS
ENABLE
SEQUENCE
DETECTOR
COMPARISON
REGISTER
I/O
BUFFERS
POWER-FAIL
DETECT
LOGIC
RST
WE
OE
CE
AI04238



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