參數(shù)資料
型號: GTL2003
廠商: NXP Semiconductors N.V.
英文描述: 8-bit bidirectional low voltage translator
中文描述: 8位低電壓雙向翻譯
文件頁數(shù): 4/19頁
文件大?。?/td> 101K
代理商: GTL2003
GTL2003_1
NXP B.V. 2007. All rights reserved.
Product data sheet
Rev. 01 — 27 July 2007
4 of 19
NXP Semiconductors
GTL2003
8-bit bidirectional low voltage translator
7.
Functional description
Refer also to
Figure 1 “Functional diagram”
.
7.1 Function selection
[1]
GREF should be at least 1.5 V higher than SREF for best translator operation.
[2]
V
T
is equal to the SREF voltage.
Sn is not pulled up or pulled down.
[3]
[4]
Sn follows the Dn input LOW.
[1]
GREF should be at least 1.5 V higher than SREF for best translator operation.
[2]
V
T
is equal to the SREF voltage.
Dn is pulled up to V
CC
through an external resistor.
Dn follows the Sn input LOW.
[3]
[4]
Table 4.
Assumes Dn is at the higher voltage level.
H = HIGH voltage level; L = LOW voltage level; X = Don’t care
GREF
[1]
DREF
H
H
H
H
H
H
L
L
Function selection, HIGH-to-LOW translation
SREF
0 V
V
T
[2]
V
T
[2]
0 V
V
T
[2]
Input Dn
X
H
L
X
Output Sn
X
V
T
[2][3]
L
[4]
X
Transistor
off
on
on
off
Table 5.
Assumes Dn is at the higher voltage level.
H = HIGH voltage level; L = LOW voltage level; X = Don’t care
GREF
[1]
DREF
H
H
H
H
H
H
L
L
Function selection, LOW-to-HIGH translation
SREF
0 V
V
T
[2]
V
T
[2]
0 V
V
T
[2]
Input Sn
X
V
T
[2]
L
X
Output Dn
X
H
[3]
L
[4]
X
Transistor
off
nearly off
on
off
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