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74FST3125DR2 Datasheet

  • 74FST3125DR2

  • BUS SWITCH|CMOS|SOP|14PIN|PLASTIC

  • 8頁

  • ETC

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74FST3125
4-Bit Bus Switch
The ON Semiconductor 74FST3125 is a quad, high performance
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.
The device consists of four independent 1鈥揵it switches with
separate Output/Enable (OE) pins. Port A is connected to Port B when
OE is low. If OE is high, the switch is high Z.
http://onsemi.com
MARKING
DIAGRAMS
14
1
SO鈥?4
D SUFFIX
CASE 751A
14
FST3125
AWLYWW
1
14
14
1
FST
3125
ALYW
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
R
ON
t
4
W
Typical
Less Than 0.25 ns鈥揗ax Delay Through Switch
Nearly Zero Standby Current
No Circuit Bounce
Control Inputs are TTL/CMOS Compatible
Pin鈥揊or鈥揚in Compatible With QS3125, FST3125, CBT3125
All Popular Packages: QSOP鈥?6, TSSOP鈥?4, SOIC鈥?4
OE
1
1A
1B
OE
2
2A
2B
GND
1
2
3
4
5
6
7
14
13
12
11
10
9
8
V
CC
OE
4
4A
4B
OE
3
3A
3B
TSSOP鈥?4
DT SUFFIX
CASE 948G
1
16
1
16
Figure 1. Pin Assignment for
SOIC and TSSOP
S3125
ALYW
QSOP鈥?6
QS SUFFIX
CASE 492
A
L, WL
Y
W, WW
=
=
=
=
1
Assembly Location
Wafer Lot
Year
Work Week
NC
OE
1
1A
1B
OE
2
2A
2B
GND
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
V
CC
OE
4
4A
4B
OE
3
3A
3B
NC
PIN NAMES
Pin
OE
1
, OE
2
, OE
3
, OE
4
1A, 2A, 3A, 4A
1B, 2B, 3B, 4B
Description
Bus Switch Enables
Bus A
Bus B
Not Connected
Figure 2. Pin Assignment
for QSOP
NC
ORDERING INFORMATION
Device
74FST3125D
74FST3125DR2
74FST3125DT
74FST3125DTR2
74FST3125QS
74FST3125QSR
漏
Semiconductor Components Industries, LLC, 2001
Package
SO鈥?4
SO鈥?4
TSSOP鈥?4
TSSOP鈥?4
QSOP鈥?6
QSOP鈥?6
Shipping
55 Units/Rail
2500 Units/Reel
96 Units/Rail
2500 Units/Reel
98 Units/Rail
2500 Units/Reel
1
August, 2001 鈥?Rev. 1
Publication Order Number:
74FST3125/D

74FST3125DR2 產品屬性

  • 2,500

  • 集成電路 (IC)

  • 邏輯 - 信號開關，多路復用器，解碼器

  • 74FST

  • 總線開關

  • 1:1

  • 4

  • -

  • 單電源

  • 4 V ~ 5.5 V

  • -40°C ~ 85°C

  • 表面貼裝

  • 14-SOIC（0.154"，3.90mm 寬）

  • 14-SOICN

  • 帶卷 (TR)

  • 74FST3125DR2OS

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