m48t37v STMicroelectronics, m48t37v Datasheet - Page 7

• Manufacturer Part Number: m48t37v
• Description: 5.0 Or 3.3v, 256 Kbit 32 Kbit X 8 Timekeeper Sram
• Manufacturer: STMicroelectronics

Figure 3.
CRYSTAL
32,768 Hz
LITHIUM
CELL
Block diagram
OSCILLATOR AND
IRQ/FT
VOLTAGE SENSE
V CC
CLOCK CHAIN
SWITCHING
CIRCUITRY
AND
WDI
RST
POWER
V PFD
SRAM ARRAY
16 x 8 BiPORT
SRAM ARRAY
32,752 x 8
V SS
A0-A14
DQ0-DQ7
E
W
G
AI03253
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