參數(shù)資料
型號: R1Q2A3609BBG-50RB
元件分類: SRAM
英文描述: 4M X 9 QDR SRAM, PBGA165
封裝: 15 X 17 MM, 1 MM PITCH, LEAD FREE, PLASTIC, LBGA-165
文件頁數(shù): 11/26頁
文件大?。?/td> 341K
代理商: R1Q2A3609BBG-50RB
R1Q2A3636B/R1Q2A3618B/R1Q2A3609B
REJ03C0341-0003 Rev.0.03 Apr. 11, 2008
Page 19 of 24
TAP AC Operating Characteristics
(Ta = 0 to +70°C, V
DD
= 1.8V ±0.1V)
Parameter
Symbol
Min
Typ
Max
Unit
Notes
Test clock (TCK) cycle time
tTHTH
100
ns
TCK high pulse width
tTHTL
40
ns
TCK low pulse width
tTLTH
40
ns
Test mode select (TMS) setup
tMVTH
10
ns
TMS hold
tTHMX
10
ns
Capture setup
tCS
10
ns
1
Capture hold
tCH
10
ns
1
TDI valid to TCK high
tDVTH
10
ns
TCK high to TDI invalid
tTHDX
10
ns
TCK low to TDO unknown
tTLQX
0
ns
TCK low to TDO valid
tTLQV
20
ns
Notes: 1. tCS + tCH defines the minimum pause in RAM I/O pad transitions to assure pad data capture.
TAP Controller Timing Diagram
TCK
TDI
TMS
TDO
PI
(SRAM)
tTHTL
tTHTH
tTLTH
tMVTH
tTHMX
tDVTH
tTHDX
tCS
tCH
tTLQV
tTLQX
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