參數(shù)資料
型號(hào): MM74HC240N
廠商: Fairchild Semiconductor
文件頁數(shù): 1/8頁
文件大小: 0K
描述: IC INVERTER DUAL 4-INPUT 20DIP
標(biāo)準(zhǔn)包裝: 18
系列: 74HC
邏輯類型: 逆變器,緩沖器
電路數(shù): 2
輸入數(shù): 4
特點(diǎn): 三態(tài)
電源電壓: 2 V ~ 6 V
電流 - 靜態(tài)(最大值): 8µA
輸出電流高,低: 7.8mA,7.8mA
邏輯電平 - 低: 0.5 V ~ 1.8 V
邏輯電平 - 高: 1.5 V ~ 4.2 V
額定電壓和最大 CL 時(shí)的最大傳播延遲: 26ns @ 6V,150pF
工作溫度: -40°C ~ 85°C
安裝類型: 通孔
供應(yīng)商設(shè)備封裝: 20-DIP
封裝/外殼: 20-DIP(0.300",7.62mm)
包裝: 管件
其它名稱: 74HC240
2005 Fairchild Semiconductor Corporation
DS005020
www.fairchildsemi.com
September 1983
Revised May 2005
MM74HC240
Inve
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ta
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Buf
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MM74HC240
Inverting Octal 3-STATE Buffer
General Description
The MM74HC240 3-STATE buffer utilizes advanced sili-
con-gate CMOS technology. It possesses high drive cur-
rent 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 advantage of CMOS circuitry, i.e., high noise
immunity and low power consumption. It has a fanout of 15
LS-TTL equivalent inputs.
The MM74HC240 is an inverting buffer and has two active
LOW enables (1G and 2G). Each enable independently
controls 4 buffers.
All inputs are protected from damage due to static dis-
charge by diodes to VCC and ground.
Features
s Typical propagation delay: 12 ns
s 3-STATE outputs for connection to system buses
s Wide power supply range: 2–6V
s Low quiescent supply current: 80
PA (74 Series)
s Output current: 6 mA
Ordering Code:
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Connection Diagram
Top View
Truth Table
H
HIGH Level
L
LOW Level
Z
HIGH Impedance
Order Number
Package Number
Package Description
MM74HC240WM
M20B
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide
MM74HC240SJ
M20D
20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
MM74HC240MTC
MTC20
20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide
MM74HC240N
N20A
20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300" Wide
1G
1A
1Y
2G
2A
2Y
LL
H
L
H
LH
L
H
L
HL
Z
H
L
Z
HH
Z
H
Z
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MM74HC240N 制造商:Fairchild Semiconductor Corporation 功能描述:Buffer / Driver / Receiver Logic IC Logi
MM74HC240N 制造商:Fairchild Semiconductor Corporation 功能描述:IC 74HC CMOS 74HC240 DIP20 6V
MM74HC240N_Q 功能描述:緩沖器和線路驅(qū)動(dòng)器 Inv Oct 3-STATE Buf 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
MM74HC240SJ 功能描述:緩沖器和線路驅(qū)動(dòng)器 Inv Oct 3-STATE Buf 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
MM74HC240SJX 功能描述:緩沖器和線路驅(qū)動(dòng)器 Inv Oct 3-STATE Buf 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