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參數資料
| 型號： | IDT74FST3126Q8 |
| 廠商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分類： | 總線收發(fā)器 |
| 英文描述： | CBT/FST/QS/5C/B SERIES, 4-BIT DRIVER, TRUE OUTPUT, PDSO16 |
| 封裝： | QSOP-16 |
| 文件頁數： | 1/5頁 |
| 文件大小： | 77K |
| 代理商： | IDT74FST3126Q8 |
1
IDT74FST3126
QUADRUPLE BUS SWITCH WITH INDIVIDUAL POSITIVE ENABLES
COMMERCIALTEMPERATURERANGE
SEPTEMBER 1999
1999
Integrated Device Technology, Inc.
DSC-4075/-
c
IDT74FST3126
COMMERCIAL TEMPERATURE RANGE
QUADRUPLE BUS SWITCH
WITH INDIVIDUAL POSITIVE
ENABLES
DESCRIPTION:
The FST3126 belongs to IDT's family of Bus Switches. Bus switch
devices perform the function of connecting or isolating two ports without
providing any inherent current sink or source capability. Thus they
generate little or no noise of their own while providing a low resistance path
for an external driver. These devices connect input and output ports through
an n-channel FET. When the gate-to-source junction of the FET, the FET
is turned off, therefore with no Vcc applied, the device has hot insertion
capability.
The low on-resistance and simplicity of the connection between input and
output ports reduces the delay in this path to close to zero. The FST3126
is pin compatible with the industry standard '126 pin out in QSOP.
FUNCTIONAL BLOCK DIAGRAM
1
OE
1
A
2
OE
2
A
3
OE
3
A
4
OE
4
A
1
B
2
B
3
B
4
B
PIN CONFIGURATION
5
6
7
1
2
3
4
12
11
10
9
8
1
A
1
B
2
OE
1
OE
2
A
2
B
GND
4
A
4
B
3
OE
3
A
3
B
Vcc
4
OE
13
14
NC
15
16
NC
SO16-7
QSOP
TOP VIEW
FEATURES:
Bus switches provide zero delay paths
Extended commercial range of –40°C to +85°C
Low switch on-resistance: FST3xxx – 5
TTL-compatible input and output levels
ESD > 2000V per MIL-STD-883, Method 3015; > 200V using
machine model (C = 200pF, R = 0)
Available in QSOP Packages
Hot insertion capability
Very low power dissipation
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