gtl2000 NXP Semiconductors, gtl2000 Datasheet - Page 3

• Manufacturer Part Number: gtl2000
• Description: 22-bit Gtl Processor Voltage Clamp
• Manufacturer: NXP Semiconductors

Philips Semiconductors
PIN CONFIGURATION
PIN DESCRIPTION
2003 Apr 01
NUMBER
22-bit bi-directional low voltage translator
25 - 46
3 - 24
PIN
47
48
1
2
SYMBOL
G
S
D
GND
D
S
REF
REF
REF
S
GND
n
n
REF
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
10
12
13
14
15
16
17
18
19
20
21
22
11
6
1
2
3
4
5
7
8
9
21
22
23
24
10
11
12
13
14
15
16
17
18
19
20
1
2
3
4
5
6
7
8
9
Ground (0 V)
Source of reference transistor
Port S
Port D
Drain of reference transistor
Gate of reference transistor
1
1
NAME AND FUNCTION
to Port S
to Port D
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
25
26
22
D
22
G
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
13
REF
REF
10
11
12
14
15
16
17
18
19
20
21
22
1
2
3
4
5
6
7
8
9
SA00521
3
FUNCTION TABLE
HIGH to LOW translation assuming Dn is at the higher voltage level
H = High voltage level
L = Low voltage level
X = Don’t Care
NOTES:
1. Sn is not pulled up or pulled down.
2. Sn follows the Dn input low.
3. G
4. V
FUNCTION TABLE
LOW to HIGH translation assuming Dn is at the higher voltage level
H = High voltage level
L = Low voltage level
X = Don’t Care
NOTES:
1. Dn is pulled up to V
2. Dn follows the Sn input low.
3. G
4. V
CLAMP SCHEMATIC
GREF
GREF
translator operation.
translator operation.
H
H
H
H
H
H
L
L
TT
TT
REF
REF
is equal to the S
is equal to the S
should be at least 1.5 V higher than S
should be at least 1.5 V higher than S
D
S
REF
REF
DREF
DREF
H
H
H
L
H
H
H
L
G
REF
0 - V
SREF
0 - V
CC
SREF
V
V
0 V
REF
REF
V
V
0 V
TT
TT
TT
TT
through an external resistor.
TT
TT
voltage.
voltage.
D
S
1
1
In-Dn
In-Sn
V
H
X
X
L
X
X
L
TT
Out-Sn
Out-Dn
V
L
X
TT
X
H
L
X
X
2
REF
REF
2
1
1
GTL2000
SA00522
for best
for best
D
S
Transistor
Transistor
22
22
Product data
nearly off
Off
On
On
Off
Off
On
Off