DESCRIPTION

The THM405120ASG/BSG is a 524,288 words by 40 bits dynamic RAM module which assembled 20 pcs

of TC514256AJ/BJ on the printed circuit board.

The THM405120ASG/BSG is optimized for application to the systems which are required high density

and large capacity such as main memory of the computers and as image memory systems, and to the

others which are requested compact size.

FEATURES

524,288 words by 40 bits organization

TRAC RAS Access Time

TAA Column Address

Access Time

CAC CAS Access Time

LRC Cycle Time

PC Fast Page Mode

Cycle Time

-60

-70

-80 -10

60ns

70ns

80ns 100ns

30ns 35ns

40ns 50ns

20ns 20ns

20ns 25ns

110ns 130ns 150ns 180ns

45ns 45ns

50ns 60ns

Fast access time and cycle time

Single power supply of 5V±10

All inputs and outputs TTL compatible

All inputs and outputs TTL compatible

Gold Contact

JEDEC OUTLILNE

:THM405120BSG-60, ASG - 70, 80, 10

Low power

5,060mW MAX. Operating (THMxxxxxx-60)

4,510mW MAX. Operating (THMxxxxxx-70)

3,960mW MAX. Operating (THMxxxxxx-80)

3,410mW MAX. Operating (THMxxxxxx-10)

110mW MAX. Standby

Read-Modify-write, CAS before RAS refresh,

RAS only refresh, Hidden refresh, and Fast Page

Mode capability.

512 Refresh cycles/8ms