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參數(shù)資料
| 型號： | 74FST3244DT |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 通用總線功能 |
| 英文描述： | 8-Bit Bus Switch |
| 中文描述： | CBT/FST/QS/5C/B SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, PDSO20 |
| 封裝： | LEAD FREE, TSSOP-20 |
| 文件頁數(shù)： | 1/8頁 |
| 文件大?。?/td> | 89K |
| 代理商： | 74FST3244DT |
Semiconductor Components Industries, LLC, 2005
January, 2005 Rev. 1
1
Publication Order Number:
74FST3244/D
74FST3244
8Bit Bus Switch
The ON Semiconductor 74FST3244 is an 8bit, 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 two 4bit 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.
Features
R
ON
Less Than 0.25 nsMax Delay Through Switch
Nearly Zero Standby Current
No Circuit Bounce
Control Inputs are TTL/CMOS Compatible
PinForPin Compatible with QS3244, FST3244, CBT3244
All Popular Packages: QSOP20, TSSOP20, SOIC20
All Devices in Package TSSOP are Inherently PbFree*
4 Typical
OE
1
1A
0
1A
1
2B
2
2B
1
1A
3
2B
0
GND
1A
2
2B
3
V
CC
OE
2
2A
3
1B
1
1B
2
2A
1
1B
3
2A
0
2A
2
1B
0
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
Figure 1. 20Lead Pinout
OE
1
L
L
H
H
Inputs
OE
2
L
H
L
H
1A, 1B
1A = 1B
1A = 1B
Z
Z
Inputs/Outputs
2A, 2B
2A = 2B
Z
2A = 2B
Z
TRUTH TABLE
*For additional information on our PbFree strategy and soldering details, please
download the ON Semiconductor Soldering and Mounting Techniques
Reference Manual, SOLDERRM/D.
Description
Bus Switch Enables
PIN NAMES
OE
1
, OE
2
1A, 2A
TSSOP20
DT SUFFIX
CASE 948E
QSOP20
QS SUFFIX
CASE 492A
SOIC20
DW SUFFIX
CASE 751D
MARKING
DIAGRAMS
Pin
Bus A
1B, 2B
Bus B
20
1
FST3244
AWLYYWW
1
20
20
1
FST
3244
ALYW
A
L, WL
Y
W, WW = Work Week
= Assembly Location
= Wafer Lot
= Year
1
20
FST3244
AWLYWW
20
1
See detailed ordering and shipping information in the package
dimensions section on page 2 of this data sheet.
ORDERING INFORMATION
20
1
http://onsemi.com
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|---|---|
| 74FST3244DTR2 | 8-Bit Bus Switch |
| 74FST3244DW | 8-Bit Bus Switch |
| 74FST3244DWR2 | 8-Bit Bus Switch |
| 74FST3244QS | 8-Bit Bus Switch |
| 74FST3244QSR | 8-Bit Bus Switch |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| 74FST3244DTR2 | 功能描述:IC BUS SWITCH 8BIT 20TSSOP RoHS:否 類別:集成電路 (IC) >> 邏輯 - 信號開關，多路復用器，解碼器 系列:74FST 標準包裝:2,000 系列:74CB 類型:FET 總線開關 電路:8 x 1:1 獨立電路:1 輸出電流高，低:15mA，30mA 電壓電源:單電源 電源電壓:2.3 V ~ 3.6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:20-TFSOP（0.173"，4.40mm 寬） 供應商設備封裝:20-TVSOP 包裝:帶卷 (TR) 產(chǎn)品目錄頁面:951 (CN2011-ZH PDF) 其它名稱:296-19129-2 |
| 74FST3244DW | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| 74FST3244DWR2 | 功能描述:IC BUS SWITCH 8BIT 20SOIC RoHS:否 類別:集成電路 (IC) >> 邏輯 - 信號開關，多路復用器，解碼器 系列:74FST 標準包裝:2,000 系列:74CB 類型:FET 總線開關 電路:8 x 1:1 獨立電路:1 輸出電流高，低:15mA，30mA 電壓電源:單電源 電源電壓:2.3 V ~ 3.6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:20-TFSOP（0.173"，4.40mm 寬） 供應商設備封裝:20-TVSOP 包裝:帶卷 (TR) 產(chǎn)品目錄頁面:951 (CN2011-ZH PDF) 其它名稱:296-19129-2 |
| 74FST3244FQ | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| 74FST3244PY | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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