GS8644Z18 ETC [List of Unclassifed Manufacturers], GS8644Z18 Datasheet - Page 33

• Manufacturer Part Number: GS8644Z18
• Description: 72Mb Pipelined and Flow Through Synchronous NBT SRAM
• Manufacturer: ETC [List of Unclassifed Manufacturers]

JTAG Port AC Electrical Characteristics
Boundary Scan (BSDL Files)
For information regarding the Boundary Scan Chain, or to obtain BSDL files for this part, please contact our Applications
Engineering Department at: [e-mail].
Rev: 1.03 11/2004
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.
TDI & TMS Set Up Time
TCK Low to TDO Valid
TCK High Pulse Width
TCK Low Pulse Width
TDI & TMS Hold Time
Parallel SRAM input
TCK Cycle Time
Parameter
TMS
TDO
TCK
TDI
Symbol
tTKQ
tTKH
tTKC
tTKL
tTS
tTH
tTKC
tTKC
tTKQ
JTAG Port Timing Diagram
Min
50
20
20
10
10
—
tTS
tTS
tTS
33/39
Max
20
tTH
tTH
tTH
—
—
—
—
—
tTKH
tTKH
GS8644Z18(B/E)/GS8644Z36(B/E)/GS8644Z72(C)
Unit
ns
ns
ns
ns
ns
ns
tTKL
tTKL
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