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GTL2009 Datasheet, PDF (10/17 Pages) NXP Semiconductors – 3-bit GTL Front-Side Bus frequency comparator
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Philips Semiconductors
GTL2009
3-bit GTL Front-Side Bus frequency comparator
12.1 AC waveforms
VM = 1.5 V at VDD ≥ 3.0 V for A ports; VM = Vref for B ports.
tp
VM
VOH
VM
0V
002aaa999
VM = 1.5 V for A port and Vref for B port.
VOH = 3 V for A port and VTT for B port
tp = pulse duration
Fig 4. Pulse duration
input
output
Vref
tPLH
1.5 V
Vref
tPHL
VTT
1/3VTT
VOH
1.5 V
VOL
002aab001
PRR ≤ 10 MHz; Zo = 50 Ω; tr ≤ 2.5 ns; tf ≤ 2.5 ns
Fig 6. Propagation delay, BI to AO
input
output
1.5 V
tPLH
1.5 V
1.5 V
tPHL
3.0 V
0V
VOH
1.5 V
VOL
002aab004
Fig 8. Propagation delay, AI to AO
input
output
1.5 V
tPLH
Vref
3.0 V
1.5 V
0V
tPHL
VTT
Vref
VOL
002aab000
Fig 5. Propagation delay, A port to B port
input
output
Vref
tPLH
Vref
Vref
tPHL
VTT
1/3VTT
VTT
Vref
VOL
002aab003
Fig 7. Propagation delay, BI to BO
input
output
1.5 V
tPLH
1.5 V
1.5 V
tPHL
3.0 V
0V
VOH
1.5 V
VOL
002aab664
Fig 9. Propagation delay, 1AI to AO2
9397 750 13556
Product data sheet
Rev. 01 — 22 September 2005
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
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