GS8170LW36AC-300T 查看數據表（PDF） - Giga Semiconductor

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GS8170LW36AC-300T

18Mb Σ1x1Lp CMOS I/O Late Write SigmaRAM™

Giga Semiconductor 

GS8170LW36/72AC-350/333/300/250

Common I/O State Diagram

X,F,0,X or X,X,1,X

0,T,0,1

Bank

Deselect

1,T,0,X

0,T,0,0

X,F,0,X

Deselect

0,T,0,1

0,T,0,0

1,T,0,X or X,X,1,X

1,T,0,X

X,F,0,X

Read

0,T,0,0

0,T,0,1

1,T,0,X

Write

X,F,0,X

0,T,0,1

X,X,1,X

X,X,1,X

0,T,0,0

1,T,0,X

X,F,0,X

0,T,0,1

Read

Continue

0,T,0,0 0,T,0,1

0,T,0,0

Write

Continue

1,T,0,X

X,F,0,X

X,X,1,X

X,X,1,X

n

Key

Input Command Code

Clock (CK)

n+1

n+2

n+3

ƒ Transition

Current State (n)

Next State (n + 1)

Command

ƒ

ƒ

ƒ

ƒ

Current State

Next State

Current State & Next State Definition for Read/Write Control State Diagram

Notes:

1. The notation “X,X,X,X” controlling the state transitions above indicate the states of inputs E1, E, ADV, and W respectively.

2. If (E2 = EP2 and E3 = EP3) then E = “T” else E = “F”.

3. “1” = input “high”; “0” = input “low”; “X” = input “don’t care”; “T” = input “true”; “F” = input “false”.

Rev: 1.04 4/2005

14/32

Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.

© 2003, GSI Technology

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