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GTL2008 Datasheet, PDF (12/22 Pages) NXP Semiconductors – 12-bit GTL to LVTTL translator with power good control and high-impedance LVTTL and GTL outputs
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NXP Semiconductors
GTL2008
GTL translator with power good control and high-impedance outputs
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
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. EN1 to 5A (I/O) or EN2 to 6A (I/O) or EN1 to
nAO or EN2 to nAO
GTL2008_4
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 04 — 19 February 2010
© NXP B.V. 2010. All rights reserved.
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