K4T51083QB-GCCC データシートの表示（PDF） - Samsung

部品番号

コンポーネント説明

メーカー

K4T51083QB-GCCC

512Mb B-die DDR2 SDRAM

Samsung 

512Mb B-die DDR2 SDRAM

DDR2 SDRAM

Parameter

Symbol

CKE minimum pulse width (high and low pulse width)

ODT turn-on delay

ODT turn-on

ODT turn-on(Power-Down mode)

ODT turn-off delay

ODT turn-off

ODT turn-off (Power-Down mode)

ODT to power down entry latency

ODT power down exit latency

OCD drive mode output delay

Minimum time clocks remains ON after CKE asynchronously

drops LOW

tCKE

tAOND

tAON

tAONPD

tAOFD

tAOF

tAOFPD

tANPD

tAXPD

tOIT

tDelay

DDR2-533

DDR2-400

min

max

min

max

3

3

2

2

2

2

tAC(min) tAC(max)+1 tAC(min) tAC(max)+1

tAC(min)+2

2tCK+tAC

(max)+1

tAC(min)+2

2tCK+tAC

(max)+1

2.5

2.5

2.5

2.5

tAC(min)

tAC(max)+ 0.6 tAC(min)

tAC(max)+ 0.6

tAC(min)+2

3

8

0

2.5tCK+

tAC(max)+1

12

tAC(min)+2

3

8

0

2.5tCK+

tAC(max)+1

12

tIS+tCK +tIH

tIS+tCK +tIH

Units

tCK

tCK

ns

ns

tCK

ns

ns

tCK

tCK

ns

ns

Notes

36

13, 25

26

24

Page 20 of 28

Rev. 1.5 July 2005

Share Link: