IS61QDP2B22M18A Datasheet, PDF (23/33 Pages) Integrated Silicon Solution, Inc – 1Mx36 and 2Mx18 configuration available

IS61QDP2B22M18A/A1/A2
IS61QDP2B21M36A/A1 /A2
TAP Controller State and Block Diagram
TDI
TMS
TCK
...
Boundary Scan Register (109 bits)
Bypass Register (1 bit)
Identification Register (32 bits)
Instruction Register (3 bits)
Control Signals
TAP Controller
TDO
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
23
Rev. B
10/02/2014