IS42R16320D-7BL 查看數據表（PDF） - Integrated Silicon Solution

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IS42R16320D-7BL

DRAM 512M (32Mx16) 143MHz SDR SDRAM, 3.3V

Integrated Silicon Solution 

IS42/45R86400D/16320D/32160D, IS42/45S86400D/16320D/32160D

AC TEST CONDITIONS: 3.3V

Input Load

Output Load

3.0V

CLK 1.4V

0V

3.0V

INPUT 1.4V

0V

OUTPUT

tCK

tCH

tCL

tCMS tCMH

tAC

tOH

1.4V

1.4V

Output

Z = 50Ω

1.4V

50Ω

50 pF

AC TEST CONDITIONS

Parameter

AC Input Levels

Input Rise and Fall Times

Input Timing Reference Level

Output Timing Measurement Reference Level

AC TEST CONDITIONS: 2.5V

Input Load

2.5V

CLK 1.25V

0.0V

tCMS

2.5V

INPUT 1.25V

0.0V

tOH

tCK

tCH

tCL

tCMH

tAC

OUTPUT

1.25V

1.25V

IS42/45Sxxxxx

Rating

0V to 3.0V

1 ns

1.4V

1.4V

IS42/45Rxxxxx

Rating

0V to 2.5V

1 ns

1.25V

1.25V

Output Load

Output

Z = 50Ω

1.25V

50Ω

50 pF

Integrated Silicon Solution, Inc. — www.issi.com

21

Rev. A

08/29/2012

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