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參數(shù)資料
| 型號： | 74FST3126QSR |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 通用總線功能 |
| 英文描述： | 4-Bit Bus Switch |
| 中文描述： | CBT/FST/QS/5C/B SERIES, QUAD 1-BIT DRIVER, TRUE OUTPUT, PDSO16 |
| 封裝： | QSOP-16 |
| 文件頁數(shù)： | 1/8頁 |
| 文件大?。?/td> | 80K |
| 代理商： | 74FST3126QSR |
Semiconductor Components Industries, LLC, 2001
August, 2001 – Rev. 0
1
Publication Order Number:
74FST3126/D
74FST3126
4-Bit Bus Switch
The ON Semiconductor 74FST3126 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–bit switches with
separate Output/Enable (OE) pins. Port A is connected to Port B when
OE is high. If OE is low, the switch is high Z.
R
ON
4 Typical
Less Than 0.25 ns–Max Delay Through Switch
Nearly Zero Standby Current
No Circuit Bounce
Control Inputs are TTL/CMOS Compatible
Pin–For–Pin Compatible With QS3126, FST3126, CBT3126
All Popular Packages: QSOP–16, TSSOP–14, SOIC–14
OE
1
1A
OE
2
2A
GND
2B
1B
V
CC
OE
4
4B
OE
3
3B
3A
4A
NC
OE
1
1B
2B
2A
OE
2
1A
V
CC
OE
4
4B
OE
3
3B
NC
3A
4A
GND
1
2
3
4
5
6
7
14
13
12
11
10
9
8
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
Figure 1. Pin Assignment for
SOIC and TSSOP
Figure 2. Pin Assignment
for QSOP
Description
Bus Switch Enables
PIN NAMES
OE
1
, OE
2
, OE
3
, OE
4
1A, 2A, 3A, 4A
http://onsemi.com
Device
Package
Shipping
ORDERING INFORMATION
74FST3126D
74FST3126DR2
SO–14
SO–14
55 Units/Rail
2500 Units/Reel
74FST3126DT
TSSOP–14
96 Units/Rail
A
L, WL
Y
W, WW = Work Week
= Assembly Location
= Wafer Lot
= Year
74FST3126DTR2
74FST3126QS
TSSOP–14
QSOP–16
2500 Units/Reel
98 Units/Rail
74FST3126QSR
QSOP–16
2500 Units/Reel
TSSOP–14
DT SUFFIX
CASE 948G
14
1
QSOP–16
QS SUFFIX
CASE 492
SO–14
D SUFFIX
CASE 751A
14
1
1
14
FST
3126
ALYW
FST3126
AWLYWW
14
1
MARKING
DIAGRAMS
S3126
ALYW
16
1
Pin
Bus A
1B, 2B, 3B, 4B
Bus B
NC
Not Connected
16
1
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