W986416CH データシートの表示（PDF） - Winbond

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W986416CH

1M x 16 bit x 4 Banks SDRAM

Winbond 

W986416CH

1M x 16 bit x 4 Banks SDRAM

NOTES:

1. Operation exceeds "ABSOLUTE MAXIMUM RATING" may cause permanent damage to the devices.

2. All voltages are referenced to VSS

3. These parameters depend on the cycle rate and listed values are measured at a cycle rate with the minimum values of

tCK and tRC.

4. These parameters depend on the output loading conditions. Specified values are obtained with output open. The

W986416CH-6/-7/-75/-8H is tested with 50pF output load.

5. Power up sequence is further described in the "Functional Description" section.

6. AC TESTING CONDITIONS

Output Reference Level

Output Load

Input Signal Levels

Transition Time (Rise and Fall) of Input Signal

Input Reference Level

1.4V/1.4V

The W986416CH-6/-7/-75/-8H is tested with

50pF output load. (See diagram below)

2.4V/0.4V

2ns

1.4V

1.4 V

50 ohms

output

Z = 50 ohms

50pF

AC TEST LOAD

7 Transition times are measured between VIH and VIL.

8. tHZ defines the time at which the outputs achieve the open circuit condition and is not referenced to output level.

Revision 1.2

Publication Release Date: June, 1999

-8-

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