IS61NLF204836B Datasheet, PDF (29/38 Pages) Integrated Silicon Solution, Inc – 100 percent bus utilization

IS61NLF204836B/IS61NVF/NVVF204836B
IS61NLF409618B/IS61NVF/NVVF409618B 
TAP AC ELECTRICAL CHARACTERISTICS (OVER OPERATING RANGE)
Parameter
Symbol
Min
Max
Units
TCK cycle time
tTHTH
100
–
ns
TCK high pulse width
tTHTL
40
–
ns
TCK low pulse width
tTLTH
40
–
ns
TMS Setup
tMVTH
10
–
ns
TMS Hold
tTHMX
10
–
ns
TDI Setup
tDVTH
10
–
ns
TDI Hold
tTHDX
10
–
ns
TCK Low to Valid Data
tTLOV
–
20
ns
TAP AC TEST CONDITIONS
(1.8V/2.5V/3.3V)Input pulse levels
Input rise and fall times
Input timing reference levels
Output reference levels
Test load termination supply voltage
Vtrig
0 to 1.8V/0 to 2.5V/0 to 3.0V
1.5ns
0.9V/1.25V/1.5V
0.9V/1.25V/1.5V
0.9V/1.25V/1.5V
0.9V/1.25V/1.5V
TAP Output Load Equivalent
50Ω
Vtrig
TDO
Z0 = 50Ω
20 pF
GND
TAP TIMING
TCK
TMS
TDI
TDO
1
2
3
tTHTH
tTLTH
tTHTL
tMVTH tTHMX
tDVTH tTHDX
4
5
6
tTLOV
tTLOX
DON'T CARE
UNDEFINED
Integrated Silicon Solution, Inc. — www.issi.com
29
Rev. 00C
02/20/2013