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參數(shù)資料
| 型號： | MM74HCT244WM |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 通用總線功能 |
| 英文描述： | Micropower 5V, 100mA Low Dropout Linear Regulator; Package: SOIC-8 Narrow Body; No of Pins: 8; Container: Tape and Reel; Qty per Container: 2500 |
| 中文描述： | HCT SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, PDSO20 |
| 封裝： | 0.300 INCH, MS-013, SOIC-20 |
| 文件頁數(shù)： | 1/7頁 |
| 文件大?。?/td> | 94K |
| 代理商： | MM74HCT244WM |
1999 Fairchild Semiconductor Corporation
DS005365
www.fairchildsemi.com
February 1984
Revised July 1999
M
MM74HCT240 MM74HCT244
Inverting Octal 3-STATE Buffer Octal 3-STATE Buffer
General Description
The MM74HCT240 and MM74HCT244 3-STATE buffers
utilize advanced silicon-gate CMOS technology and are
general purpose high speed inverting and non-inverting
buffers. They possess high drive current outputs which
enable high speed operation even when driving large bus
capacitances. These circuits achieve speeds comparable
to low power Schottky devices, while retaining the low
power consumption of CMOS. All three devices are TTL
input compatible and have a fanout of 15 LS-TTL equiva-
lent inputs.
MM74HCT devices are intended to interface between TTL
and NMOS components and standard CMOS devices.
These parts are also plug-in replacements for LS-TTL
devices and can be used to reduce power consumption in
existing designs.
The MM74HCT240 is an inverting buffer and the
MM74HCT244 is a non-inverting buffer. Each device has
two active low enables (1G and 2G), and each enable inde-
pendently controls 4 buffers.
All inputs are protected from damage due to static dis-
charge by diodes to V
CC
and Ground.
Features
I
TTL input compatible
I
Typical propagation delay: 14 ns
I
3-STATE outputs for connection to system buses
I
Low quiescent current: 80
μ
A
I
High output drive current: 6 mA (min)
Ordering Code:
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Connection Diagrams
Pin Assignments for DIP, SOIC, SOP and TSSO
P
Top View
MM74HCT240
Top View
MM74HCT244
Order Number
MM74HCT240WM
MM74HCT240SJ
MM74HCT240MTC
MM74HCT240N
MM74HCT244WM
MM74HCT244SJ
MM74HCT244MTC
MM74HCT244N
Package Number
M20B
M20D
MTC20
N20A
M20B
M20D
MTC20
N20A
Package Description
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300” Wide
20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide
20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300” Wide
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300” Wide
20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide
20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300” Wide
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MM74HCT245 | Micropower 5V, 100mA Low Dropout Linear Regulator; Package: SOIC-8 Narrow Body; No of Pins: 8; Container: Tape and Reel; Qty per Container: 2500 |
| MM74HCT245MTC | Octal 3-STATE Transceiver |
| MM74HCT245N | Micropower 5V, 100mA Low Dropout Linear Regulator; Package: D2PAK-3; No of Pins: 3; Container: Rail; Qty per Container: 50 |
| MM74HCT245SJ | Micropower 5V, 100mA Low Dropout Linear Regulator; Package: D2PAK-3; No of Pins: 3; Container: Tape and Reel; Qty per Container: 750 |
| MM74HCT245WM | Micropower 5V, 100mA Low Dropout Linear Regulator; Package: D2PAK-3; No of Pins: 3; Container: Tape and Reel; Qty per Container: 750 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MM74HCT244WM | 制造商:Fairchild Semiconductor Corporation 功能描述:74HCT CMOS SMD 74HCT244 SOIC20 |
| MM74HCT244WM_Q | 功能描述:緩沖器和線路驅(qū)動器 Octal 3-STATE Buffer RoHS:否 制造商:Micrel 輸入線路數(shù)量:1 輸出線路數(shù)量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
| MM74HCT244WMX | 功能描述:緩沖器和線路驅(qū)動器 Octal 3-STATE Buffer RoHS:否 制造商:Micrel 輸入線路數(shù)量:1 輸出線路數(shù)量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
| MM74HCT244WN | 制造商: 功能描述: 制造商:Texas Instruments 功能描述: |
| MM74HCT245 | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Octal 3-STATE Transceiver |
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