m48t512y STMicroelectronics, m48t512y Datasheet - Page 5

• Manufacturer Part Number: m48t512y
• Description: 5.0 Or 3.3v, 4 Mbit 512 Kbit X 8 Timekeeper Sram
• Manufacturer: STMicroelectronics

Figure 4. Block Diagram
32,768 Hz
CRYSTAL
LITHIUM
CELL
OSCILLATOR AND
VOLTAGE SENSE
CLOCK CHAIN
SWITCHING
CIRCUITRY
AND
V CC
POWER
V PFD
SRAM ARRAY
TIMEKEEPER
524,280 x 8
REGISTERS
8 x 8
V SS
M48T512Y, M48T512V*
A0-A18
DQ0-DQ7
E
W
G
AI02384
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