參數(shù)資料
型號(hào): GTL2002
廠商: NXP Semiconductors N.V.
英文描述: 2-bit bi-directional low voltage translator
中文描述: 2位雙向電壓轉(zhuǎn)換低
文件頁數(shù): 3/14頁
文件大?。?/td> 114K
代理商: GTL2002
Philips Semiconductors
Product data sheet
GTL2002
2-bit bi-directional low voltage translator
2004 Sep 29
3
PIN CONFIGURATION
1
2
3
4
5
6
7
8
S
REF
S
1
S
2
G
REF
D
REF
GND
D
1
D
2
SA00640
Figure 1. SO8 and TSSOP8 pinning
1
2
3
4
5
6
7
8
S
1
S
2
GND
G
REF
D
REF
S
REF
D
1
D
2
SA00658
Figure 2. VSSOP8 pinning
PIN DESCRIPTION
PIN NUMBER
SO8 and
TSSOP8
1
VSSOP8
SYMBOL
NAME AND FUNCTION
4
GND
Ground (0 V)
2
1
S
REF
S
n
D
n
D
REF
G
REF
Source of reference transistor
3, 4
2, 3
Port S
1
and Port S
2
Port D
1
and Port D
2
Drain of reference transistor
5, 6
5, 6
7
7
8
8
Gate of reference transistor
FUNCTION TABLE
HIGH-to-LOW translation assuming Dn is at the higher voltage level
G
REF
D
REF
S
REF
In-Dn
H
H
0 V
Out-Sn
Transistor
X
X
Off
H
H
V
TT
V
TT
0 – V
TT
H
V
TT1
L
2
On
H
H
L
On
L
L
X
X
Off
H =
L
X =
NOTES:
1. Sn is not pulled up or pulled down.
2. Sn follows the Dn input LOW.
3. G
REF
should be at least 1.5 V higher than S
REF
for best
translator operation.
4. V
TT
is equal to the S
REF
voltage.
HIGH voltage level
LOW voltage level
Don’t Care
=
FUNCTION TABLE
LOW-to-HIGH translation assuming Dn is at the higher voltage level
G
REF
D
REF
S
REF
H
H
0 V
In-Sn
Out-Dn
Transistor
X
X
H
1
L
2
Off
H
H
V
TT
V
TT
V
TT
L
nearly off
H
H
On
L
L
0 – V
TT
X
X
Off
H =
L
X =
NOTES:
1. Dn is pulled up to V
through an external resistor.
2. Dn follows the Sn input LOW.
3. G
should be at least 1.5 V higher than S
REF
for best
translator operation.
4. V
TT
is equal to the S
REF
voltage.
HIGH voltage level
LOW voltage level
Don’t Care
=
CLAMP SCHEMATIC
SA00645
S
REF
S1
S2
D
REF
D1
D2
G
REF
Figure 3. Clamp schematic
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