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74FST3251DR2 Datasheet

  • 74FST3251DR2

  • 8:1 Multiplexer/Demultiplexer Bus Switch

  • 8頁

  • ONSEMI

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74FST3251
8:1 Multiplexer/
Demultiplexer Bus Switch
The ON Semiconductor 74FST3251 is an 8:1, high performance
multiplexer/demultiplexer bus switch. The device is CMOS TTL
compatible when operating between 4 and 5.5 Volts. The device
exhibits extremely low R
ON
and adds nearly zero propagation delay.
The device adds no noise or ground bounce to the system.
鈥?/div>
R
ON
t
4
W
Typical
鈥?/div>
Less Than 0.25 ns鈥揗ax Delay Through Switch
鈥?/div>
Nearly Zero Standby Current
鈥?/div>
No Circuit Bounce
鈥?/div>
Control Inputs are TTL/CMOS Compatible
鈥?/div>
All Popular Packages: QSOP鈥?6, TSSOP鈥?6, SOIC鈥?6
http://onsemi.com
MARKING
DIAGRAMS
16
16
1
SO鈥?6
D SUFFIX
CASE 751B
FST3251
AWLYWW
1
16
16
1
TSSOP鈥?6
DT SUFFIX
CASE 948F
FST
3251
ALYW
1
16
S3251
ALYW
B4
B3
B2
B1
A
NC
OE
GND
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
V
CC
B5
B6
B7
B8
16
1
S0
S1
S2
QSOP鈥?6
QS SUFFIX
CASE 492
A
L, WL
Y
W, WW
=
=
=
=
1
Assembly Location
Wafer Lot
Year
Work Week
QSOP/SSOP/TSSOP
TOP VIEW
Inputs
OE
L
L
L
L
L
L
L
L
H
S2
L
L
L
L
H
H
H
H
X
S1
L
L
H
H
L
L
H
H
X
S0
L
H
L
H
L
H
L
H
X
Function
A Port = B1 Port
A Port = B2 Port
A Port = B3 Port
A Port = B4 Port
A Port = B5 Port
A Port = B6 Port
A Port = B7 Port
A Port = B8 Port
Disconnect
S
0
, S
1
A
PIN NAMES
Pin
OE
1
, OE
2
Description
Bus Switch Enables
Select Inputs
Bus A
Bus B
B
1
, B
2
, B
3
, B
4
ORDERING INFORMATION
Device
74FST3251D
74FST3251DR2
74FST3251DT
74FST3251DTR2
74FST3251QS
74FST3251QSR
Package
SO鈥?6
SO鈥?6
TSSOP鈥?6
TSSOP鈥?6
QSOP鈥?6
QSOP鈥?6
Shipping
48 Units/Rail
2500 Units/Reel
96 Units/Rail
2500 Units/Reel
96 Units/Rail
2500 Units/Reel
NOTE: H = HIGH Voltage Level, L = LOW Voltage Level, X = Don鈥檛 Care
漏
Semiconductor Components Industries, LLC, 2002
1
January, 2002 鈥?Rev. 1
Publication Order Number:
74FST3251/D

74FST3251DR2 產(chǎn)品屬性

  • 2,500

  • 集成電路 (IC)

  • 邏輯 - 信號開關，多路復用器，解碼器

  • 74FST

  • 多路復用器/多路分解器

  • 1 x 8:1

  • 1

  • -

  • 單電源

  • 4 V ~ 5.5 V

  • -40°C ~ 85°C

  • 表面貼裝

  • 16-SOIC（0.154"，3.90mm 寬）

  • 16-SOIC

  • 帶卷 (TR)

  • 74FST3251DR2OS

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