M312L2828ET0 データシートの表示（PDF） - Samsung

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M312L2828ET0

DDR SDRAM Registered Module

Samsung 

256MB, 512MB, 1GB Registered DIMM

Table 4 : Input/Output Setup & Hold Derating for Rise/Fall Delta Slew Rate

Delta Slew Rate

tDS

tDH

Units

Notes

+/- 0.0 V/ns

0

0

ps

j

+/- 0.25 V/ns

+50

+50

ps

j

+/- 0.5 V/ns

+100

+100

ps

j

Table 5 : Output Slew Rate Characteristice (X4, X8 Devices only)

Slew Rate Characteristic

Typical Range

(V/ns)

Minimum

(V/ns)

Maximum

(V/ns)

Pullup Slew Rate

1.2 ~ 2.5

1.0

4.5

Pulldown slew

1.2 ~ 2.5

1.0

4.5

Notes

a,c,d,f,g,h

b,c,d,f,g,h

Table 6 : Output Slew Rate Characteristice (X16 Devices only)

Slew Rate Characteristic

Typical Range

(V/ns)

Minimum

(V/ns)

Maximum

(V/ns)

Pullup Slew Rate

1.2 ~ 2.5

0.7

5.0

Pulldown slew

1.2 ~ 2.5

0.7

5.0

Notes

a,c,d,f,g,h

b,c,d,f,g,h

Table 7 : Output Slew Rate Matching Ratio Characteristics

AC CHARACTERISTICS

DDR266

PARAMETER

MIN

MAX

Output Slew Rate Matching Ratio (Pullup to Pulldown) TBD

TBD

DDR200

MIN

MAX

0.67

1.5

Notes

e,m

DDR SDRAM

Revision 1.4 February, 2004

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