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參數(shù)資料
| 型號： | GTL2000 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | 22-bit GTL processor voltage clamp(22-位GTL 鉗位電壓處理器) |
| 中文描述： | 22位處理器的GTL電壓鉗（22 -位的GTL鉗位電壓處理器） |
| 文件頁數(shù)： | 2/6頁 |
| 文件大?。?/td> | 55K |
| 代理商： | GTL2000 |
Philips Semiconductors
Product specification
GTL2000
22-bit GTL processor voltage clamp
2
2000 Jan 25
853-2154 23030
FEATURES
Direct interface with TTL level
6.5
ON-state connection between port S
n
and D
n
DESCRIPTION
The GTL2000 provides twenty-two bits of high-speed voltage
clamps. The low ON-state resistance of the clamp allows
connections to be made with minimal propagation delay.
The device is organized as one 22-bit voltage clamp. When S or D
is low the clamp is in the ON–state and a low resistance connection
exists between the S and D ports. When S port and D port are high,
between the S and D ports. When the D port is high, the voltage on
the S port is clamped to the applied reference voltage on the GREF
port.
FUNCTION TABLE
G
REF
D
REF
S
REF4
Switch
Driven
Input
X
Output of
Driven Input
X
V
TT1
H
2
L
3
H
H
0 V
off
H
H
V
TT
V
TT
V
TT
0 – V
TT
on
H
H
H
nearly off
V
TT
L
L
L
on
L
L
off
X
X
H =
L
X =
NOTES:
1. The output is not pulled up or pulled down.
2. The output is pulled up to V
CC
through an external resistor.
3. The driven output can be S
n
or D
n
; the output of drivn input
follows the input low.
4. G
must be at least 1.5 V higher than S
REF
for proper switch
operation.
High voltage level
Low voltage level
Don’t Care
=
PIN CONFIGURATION
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
21
22
23
24
41
42
43
44
45
46
47
48
S
REF
S
1
S
2
S
3
S
4
S
5
S
6
S
7
S
8
S
9
S
10
S
11
S
12
S
13
S
14
S
15
S
16
S
17
S
18
S
19
S
20
S
21
S
22
G
REF
D
REF
GND
D
1
D
2
D
3
D
4
D
5
D
6
D
7
D
8
D
9
D
10
D
11
D
12
D
13
D
14
D
15
D
16
D
17
D
18
D
19
D
20
D
21
D
22
SA00521
QUICK REFERENCE DATA
SYMBOL
PARAMETER
CONDITIONS
T
amb
= 25
°
C; GND = 0V
TYPICAL
UNIT
t
PLH
Propagation delay
Sn to Dn
Channel capacitance (OFF-state)
V
DD1
= 3.3 V; V
DD2
= 2.5 V;
V
REF
= 1.5 V; unloaded
V
S
= 1.5 V
1.5
ns
C
OFF
7.5
pF
ORDERING INFORMATION
PACKAGES
TEMPERATURE RANGE
0
°
C to +85
°
C
ORDER CODE
DWG NUMBER
48-Pin Plastic SSOP Type II
GTL2000 DL
SOT370–1
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