IBM0418A81QLAB IBM0436A81QLAB
IBM0418A41QLAB IBM0436A41QLAB
8Mb (256Kx36 & 512x18) and 4Mb (128Kx36 & 256Kx18) SRAM
JTAG AC Characteristics (TA = 0 to +85°C, VDD = 3.3V -5%, +10%)
Parameter
Symbol
Min.
20
7
Max.
—
—
—
—
—
—
—
7
Units
ns
Notes
t
TCK Cycle Time
TCK High Pulse Width
TCK Low Pulse Width
TMS Setup
THTH
t
ns
THTL
t
7
ns
TLTH
t
4
ns
MVTH
t
TMS Hold
4
ns
THMX
t
TDI Setup
4
ns
DVTH
t
TDI Hold
4
ns
THDX
t
1
TCK Low to Valid Data
—
ns
TLOV
1. See the AC Test Loading figure on page 11.
JTAG Timing Diagram
t
t
t
THTH
THTL
TLTH
TCK
TMS
t
THMX
t
MVTH
t
THDX
TDI
t
DVTH
TDO
t
TLOV
crrh3316.08
12/00
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Use is further subject to the provisions at the end of this document.
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