Transcend JM333S643A-75 Datový list stáhnout pdf (Strana 5)

256MB 168 PIN PC133 CL3

SDRAM DIMM With 16Mx8 3.3VOLT

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Transcend Information Inc.

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ABSOLUTE MAXIMUM RATINGS

Parameter Symbol Value Unit

Voltage on any pin relative to Vss V

, V

OUT

-1.0~4.6 V

Voltage on V

supply relative to Vss V

, V

DDQ

-1.0~4.6 V

Storage temperature T

STG

-55~+150

Power dissipation P

16 W

Short circuit current I

50 mA

Note:

Permanent device damage may occur if ABSOLUTE MAXIMUM RATINGS are exceeded.

Functional operation should be restricted to recommended operating condition.

Exposure to higher than recommended voltage for extended periods of time could affect device

reliability.

DC OPERATING CONDITIONS AND CHARACTERISTICS

Recommended operating conditions (Voltage referenced to Vss = 0V, T

0 to 70

°°

Parameter Symbol Min Typ Max Unit Note

Supply voltage V

3.0 3.3 3.6 V

Input high voltage V

2.0 3.0 V

DDQ

+0.3 V 1

Input low voltage V

-0.3 0 0.8 V 2

Output high voltage V

2.4 - - V IOH=-2mA

Output low voltage V

- - 0.4 V IOL=2mA

Input leakage current I

-10 - 10 uA 3

Note:

1. V

(max) = 5.6V AC .The overshoot voltage duration is

≤

3ns.

2. V

(min) = -2.0V AC .The undershoot voltage duration is

≤

3ns.

3. Any input 0V

≤

DDQ.

Input leakage currents include Hi-Z output leakage for all bi-directional buffers with Tri-State outputs.

CAPACITANCE

(

= 3.3V

, T

= 23

C, f = 1MHz, V

REF

= 1.4V

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200mV)

Parameter Symbol Min Max Unit

Address (A

, BA

~BA

)

/RAS, /CAS, /WE

CKE (CKE0 ~ CKE1)

Clock (CLK0 ~ CLK3)

/CS (/CS0 ~ /CS3)

DQM (DQM0 ~ DQM7)

DQ (DQ0 ~ DQ63)

ADD

CKE

CLK

DQM

OUT

1 2 3 4 5 6 7 8 9 10 11

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