IS61DDPB22M18A Datasheet, PDF (22/31 Pages) Integrated Silicon Solution, Inc – 2Mx18, 1Mx36 36Mb DDR-IIP(Burst 2) CIO SYNCHRONOUS SRAM

IS61DDPB22M18A/A1/A2
IS61DDPB21M36A/A1/A2
TAP Controller State and Block Diagram
TAP Controller State Machine
1
Test Logic
Reset
0
Run Test 1
Idle
0
Select DR ¹
0
1 Capture
DR
0
Shift DR
0
1
1 _{Exit1 DR}
0
Pause DR ⁰
1
Exit2 DR ⁰
1
Update
DR
1
0
Select IR ¹
0
1 Capture
IR
0
Shift IR
0
1
1 _{Exit1 IR}
0
Pause IR ⁰
1
Exit2 IR ⁰
1
Update IR
1
0
Integrated Silicon Solution, Inc.- www.issi.com
22
Rev. 00A
7/05/2012