參數(shù)資料
型號(hào): GS4576S09L-25
廠商: GSI TECHNOLOGY
元件分類: DRAM
英文描述: DDR DRAM, PBGA144
封裝: UBGA-144
文件頁數(shù): 55/64頁
文件大小: 2691K
代理商: GS4576S09L-25
TAP Input AC Logic Levels
Description
Symbol
Min
Max
Units
Input High (logic 1) Voltage
VIH
VREF + 0.3
V
Input Low (logic 0) Voltage
VIL
VREF – 0.3
V
TAP AC Electrical Characteristics
Description
Symbol
Min
Max
Units
Clock
Clock Cycle Time
tTHTH
20
ns
Clock Frequency
tTF
50
MHz
Clock High Time
tTHTL
10
ns
Clock Low Time
tTLTH
10
ns
TDI/TDO Times
TCK Low to TDO Unknown
tTLOX
0
ns
TCK Low to TDO Valid
tTLOV
10
ns
TDI Valid to TCK High
tDVTH
5
ns
TCK High to TDI Invalid
tTHDX
5
ns
Setup Times
TMS Setup
tMVTH
5
ns
Capture Setup
tCS
5
ns
Hold Times
TMS Setup
tTHMX
5
ns
Capture Setup
tCH
5
ns
Note:
tCS and tCH refer to the set up and hold time requirements of latching data from the Boundary Scan Register.
Preliminary
GS4576S09/18L
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.
Rev: 1.01 4/2011
59/64
2011, GSI Technology
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