GS8182S08 Datasheet, PDF (30/36 Pages) GSI Technology – 18Mb Burst of 2 SigmaSIO DDR-IITM SRAM

TCK
TDI
TMS
TDO
Parallel SRAM input
GS8182S08/09/18/36BD-400/375/333/300/250/200/167
JTAG Port Timing Diagram
tTKC
tTKH
tTKL
tTH
tTS
tTH
tTS
tTKQ
tTH
tTS
JTAG Port AC Electrical Characteristics
Parameter
Symbol Min Max Unit
TCK Cycle Time
tTKC
50
—
ns
TCK Low to TDO Valid
tTKQ
—
20
ns
TCK High Pulse Width
tTKH
20
—
ns
TCK Low Pulse Width
tTKL
20
—
ns
TDI & TMS Set Up Time
tTS
10
—
ns
TDI & TMS Hold Time
tTH
10
—
ns
JTAG Port AC Electrical Characteristics
Parameter
TCK Cycle Time
TCK High Pulse Width
TCK Low Pulse Width
TMS Input Setup Time
TMS Input Hold Time
TDI Input Setup Time
TDI Input Hold Time
SRAM Input Setup Time
SRAM Input Hold Time
Clock Low to Output Valid
Symbol
t_CHCH
t_CHCL
t_CLCH
t_MVCH
t_CHMX
t_DVCH
t_CHDX
t_SVCH
t_CHSX
t_CLQV
Min.
50
20
20
5
5
5
5
5
5
0
Rev: 1.03c 11/2011
30/36
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.
Max
Unit
—
ns
—
ns
—
ns
—
ns
—
ns
—
ns
—
ns
—
ns
—
ns
10
ns
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