M48T08_11 Datasheet, PDF (7/31 Pages) STMicroelectronics – 5 V, 64 Kbit (8 Kb x 8) TIMEKEEPER® SRAM

M48T08, M48T08Y, M48T18
Figure 4. Block diagram
32,768 Hz
CRYSTAL
LITHIUM
CELL
OSCILLATOR AND
CLOCK CHAIN
8 x 8 BiPORT
SRAM ARRAY
POWER
VOLTAGE SENSE
AND
SWITCHING
CIRCUITRY
VPFD
8184 x 8
SRAM ARRAY
VCC
INT
V_SS
Description
A0-A12
DQ0-DQ7
E1
E2
W
G
AI01333
Doc ID 2411 Rev 11
7/31