m48t201y STMicroelectronics, m48t201y Datasheet - Page 7

• Manufacturer Part Number: m48t201y
• Description: 3.3v-5v Timekeeper Controller
• Manufacturer: STMicroelectronics

M48T201Y, M48T201V
Table 1.
DQ0-DQ7
RSTIN1
RSTIN2
A0-A18
IRQ/FT
G
E
SQW
V
RST
WDI
V
V
NC
CON
CON
OUT
W
G
E
Signal names
CC
SS
Address inputs
Data inputs / outputs
Reset 1 input
Reset 2 Input
Reset output (open drain)
Watchdog input
Chip enable input
Output enable Input
WRITE enable input
RAM chip enable output
RAM enable output
Interrupt / frequency test output (open drain)
Square wave output
Supply voltage output
Supply voltage
Ground
Not connected internally
Description
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