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| GTL2107 Datasheet, PDF (11/19 Pages) NXP Semiconductors – 12-bit GTL−/GTL/GTL+ to LVTTL translator | |||
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NXP Semiconductors
GTL2107
12-bit GTLâ/GTL/GTL+ to LVTTL translator
12.1 Waveforms
VM = 1.5 V at VCC ⥠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
a. Pulse duration
Fig 4. Voltage waveforms
input
output
1.5 V
tPLH
Vref
3.0 V
1.5 V
0V
tPHL
VTT
Vref
VOL
002aab000
A port to B port
b. Propagation delay times
input
output
Vref
tPLH
1.5 V
VTT
Vref
tPHL
1/3VTT
VOH
1.5 V
VOL
002aab001
PRR ⤠10 MHz; Zo = 50 Ω; tr ⤠2.5 ns; tf ⤠2.5 ns
Fig 5. Propagation delay, 9BI to 9AO
input
output
Vref
tPLH
Vref
Vref
tPHL
VTT
1/3VTT
VTT
Vref
VOL
002aac195
Fig 7. 5BI to 7BO1 or 6BI to 7BO2
input
output
Vref
tPLZ
VTT
Vref
0V
tPZL
VOL + 0.3 V
VOH
1.5 V
VOL
002aac196
Fig 9. 11BI to 11A
input
Vref
tPZL
output
1.5 V
Vref
tPLZ
VTT
1/3VTT
VCC
VOL + 0.3 V
002aab002
Fig 6. nBI to nA (I/O) or nBI to nAO open-drain
outputs
input
output
1.5 V
tPLZ
1.5 V
tPZL
3.0 V
0V
VOL + 0.3 V
VOH
1.5 V
VOL
002aab005
Fig 8. EN2 to 5A (I/O) or 6A (I/O), or EN1 to nAO, or
EN2 to nAO
input
output
1.5 V
tPLH
Vref
Fig 10. 11A to 11BO
3.0 V
1.5 V
0V
tPHL
VTT
Vref
VOL
002aac197
GTL2107_5
Product data sheet
Rev. 05 â 23 December 2009
© NXP B.V. 2009. All rights reserved.
11 of 19
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