GTL2003 Philips Semiconductors (Acquired by NXP), GTL2003 Datasheet - Page 4

• Manufacturer Part Number: GTL2003
• Manufacturer: Philips Semiconductors (Acquired by NXP)

NXP Semiconductors
7. Functional description
GTL2003_1
Product data sheet
7.1 Function selection
Refer also to
Table 4.
Assumes Dn is at the higher voltage level.
H = HIGH voltage level; L = LOW voltage level; X = Don’t care
[1]
[2]
[3]
[4]
Table 5.
Assumes Dn is at the higher voltage level.
H = HIGH voltage level; L = LOW voltage level; X = Don’t care
[1]
[2]
[3]
[4]
GREF
H
H
H
L
GREF
H
H
H
L
GREF should be at least 1.5 V higher than SREF for best translator operation.
V
Sn is not pulled up or pulled down.
Sn follows the Dn input LOW.
GREF should be at least 1.5 V higher than SREF for best translator operation.
V
Dn is pulled up to V
Dn follows the Sn input LOW.
T
T
[1]
[1]
is equal to the SREF voltage.
is equal to the SREF voltage.
Function selection, HIGH-to-LOW translation
Function selection, LOW-to-HIGH translation
Figure 1 “Functional
DREF
H
H
H
L
DREF
H
H
H
L
CC
through an external resistor.
Rev. 01 — 27 July 2007
SREF
0 V
V
V
0 V
SREF
0 V
V
V
0 V
T
T
T
T
[2]
[2]
[2]
[2]
diagram”.
V
V
T
T
[2]
[2]
Input Dn
X
H
L
X
Input Sn
X
V
L
X
T
8-bit bidirectional low voltage translator
[2]
Output Sn
X
V
L
X
Output Dn
X
H
L
X
[4]
[4]
T
[3]
[2][3]
GTL2003
© NXP B.V. 2007. All rights reserved.
Transistor
off
on
on
off
Transistor
off
nearly off
on
off
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