m48t129v STMicroelectronics, m48t129v Datasheet - Page 6

• Manufacturer Part Number: m48t129v
• Description: 5.0 Or 3.3v, 1 Mbit 128 Kbit X 8 Timekeeper Sram
• Manufacturer: STMicroelectronics

M48T129Y, M48T129V
Figure 5. Hardware Hookup for Equivalent Surface-mount (SMT) Solution
Notes:For pin connections, see individual data sheet for M48T201Y/V www.st.com.
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The chip enable access time of the external SRAM will be the combination of the chip enable access for the SRAM itself, plus the chip
enable propagation delay t
1. For 5V, M48T129Y (M48T201Y + 5V 1Mb LPSRAM). For 3.3V, M48T129V (M48T201V + 3V 1Mb LPSRAM).
2. SNAPHAT Top ordered separately.
0.1 F
5V
BATTERY/CRYSTAL
32,768 Hz
CRYSTAL
LITHIUM
CELL
SNAPHAT (2)
EPD
for the M48T201Y/V.
V CC
A17
A18
E
W
G
WDI
RSTIN1
RSTIN2
V SS
M48T201Y/V
DQ0-DQ7
A0-A16
IRQ/FT
G CON
E CON
V OUT
(1,2)
SQW
RST
0.1 F
V CC
E
W
G
V SS
1Mb LPSRAM
DQ0-DQ7
A0-A16
AI03632