GTL2008 Datasheet, PDF (5/22 Pages) NXP Semiconductors – 12-bit GTL to LVTTL translator with power good control and high-impedance LVTTL and GTL outputs

NXP Semiconductors
GTL2008
GTL translator with power good control and high-impedance outputs
Table 3.
Symbol
6BI
5BI
11BO
EN2
7BO2
7BO1
2BI
1BI
V_CC
Pin description …continued
Pin
Description
20
data input (GTL)
21
data input (GTL)
22
data output (GTL)
23
enable input (LVTTL)
24
data output (GTL)
25
data output (GTL)
26
data input (GTL)
27
data input (GTL)
28
positive supply voltage
7. Functional description
Refer to Figure 1 “Logic diagram of GTL2008”.
7.1 Function tables
Table 4. GTL input signals
H = HIGH voltage level; L = LOW voltage level.
Input
1BI/2BI/3BI/4BI/9BI
L
H
Output^[1]
1AO/2AO/3AO/4AO/9AO
L
H
[1] 1AO, 2AO, 3AO, 4AO and 5A/6A condition changed by ENn power good signal as described in Table 5 and
Table 6.
Table 5. EN1 power good signal
H = HIGH voltage level; L = LOW voltage level.
EN1
1AO and 2AO
L
1BI and 2BI disconnected (high-Z)
H
follows BI
5A
5BI disconnected
5BI connected
Table 6. EN2 power good signal
H = HIGH voltage level; L = LOW voltage level.
EN2
3AO and 4AO
L
3BI and 4BI disconnected (high-Z)
H
follows BI
6A
6BI disconnected
6BI connected
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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