THM91000S中文資料東芝數(shù)據(jù)手冊PDF規(guī)格書

DESCRIPTION

The THM91000S/L is a 1,048,576 words by 9 bits.

dynamic RAM module which assembled 9 pcs of

TC511000J on the printed circuit board.

The THM91000S/L is optimized for application to the

systems which are required high density and large capaci-

ty such as main memory of the computers and an image

memory systems, and to the others which are requested

compact size.

FEATURES

1,048,576 words by 9 bits organization

Fast access time

TRAC

1AA

CAC

RC

tpc

RAS Access Time

Column Address Access Time

CAS Access Time

Cycle Time

Fast Page Mode Cycle Time

THM91000S/L-10

100ns

50ns

25ns

190ns

55ns

THM91000S/L-12

120ns

60ns

30ns

220ns

70ns

Single power supply of 5V ± 10

Low power

2,970mW MAX. Operating (THM91000S/L-10)

2,475mW MAX. Operating

49.5mW MAX. Standby

(THM91000S/L-12)

CAS before RAS refresh, RAS only refresh, Hidden

refresh, and Fast Page Mode capability

All inputs and outputs TTL compatible

512 refresh cycles/8ms