M48T512Y, M48T512V

Description

Doc ID 5747 Rev 7

5/23

1

Description

The M48T512Y/V TIMEKEEPER® RAM is a 512 Kb x 8 non-volatile static RAM and real-

time clock organized as 524,288 words by 8 bits. The special DIP package provides a fully

integrated battery-backed memory and real-time clock solution.

The M48T512Y/V directly replaces industry standard 512 Kb x 8 SRAMs. It also provides

the non-volatility of Flash without any requirement for special WRITE timing or limitations on

the number of WRITEs that can be performed.

Figure 1.

Logic diagram

Table 1.

Signal names

A0-A18

Address inputs

DQ0-DQ7

Data inputs / outputs

E

Chip enable input

G

Output enable input

W

WRITE enable input

VCC

Supply voltage

VSS

Ground

AI02262

19

A0-A18

DQ0-DQ7

VCC

M48T512Y

M48T512V

G

VSS

8

E

W

Obsolete

Product(s)

- Obsolete

Product(s)