参数资料
型号: IDT74FST3861PG8
厂商: INTEGRATED DEVICE TECHNOLOGY INC
元件分类: 总线收发器
英文描述: CBT/FST/QS/5C/B SERIES, 10-BIT DRIVER, TRUE OUTPUT, PDSO24
封装: TSSOP-24
文件页数: 1/5页
文件大小: 70K
代理商: IDT74FST3861PG8
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
COMMERCIAL TEMPERATURE RANGE
JANUARY 1998
1998 Integrated Device Technology, Inc.
1
DSC-4246/-
FUNCTIONAL BLOCK DIAGRAM
FEATURES:
Bus switches provide zero delay paths
Extended commercial range of –40°C to +85°C
Low switch on-resistance:
FST3xxx –5
FST32xxx –28
TTL-compatible input and output levels
ESD >2000v per MIL-STD-883, Method 3015;
> 200V using machine model (C = 200pF, R = 0)
Available in SOIC, QSOP and TSSOP
DESCRIPTION:
The FST3861 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. 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 this FET is ad-
equately forward-biased, the device conducts and the resis-
tance between input and output ports is small. Without ad-
equate bias on the gate-to-source junction of the FET, the
FET is turned off, therefore with no VCC applied, the device
has not insertion capability.
The low on-resistance and simplicity of the connection be-
tween input and output ports reduces the delay in this path to
close to zero.
10-BIT, TWO PORT
BUS SWITCH
IDT74FST3861
PRODUCT PREVIEW
Integrated Device Technology, Inc.
PIN DESCRIPTION
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
B0
OE
B1
B2
B3
B4
B5
B6
B7
B8
B9
Pin Names
Description
OE
Output Enable Input (Active LOW)
AX
A Port Bits
BX
B Port Bits
PIN CONFIGURATION
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
GN D
NC
OE
B1
B2
B3
B4
B5
B6
B7
B8
B9
B0
VCC
S O24-2
S O24-8
S O24-9
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
SOIC/QSOP/TSSOP
TOP VIEW
4246 drw 02
4246 drw 01
4246 tbl 01
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