参数资料
型号: MM74HC240N
厂商: Fairchild Semiconductor
文件页数: 1/8页
文件大小: 0K
描述: IC INVERTER DUAL 4-INPUT 20DIP
标准包装: 18
系列: 74HC
逻辑类型: 逆变器,缓冲器
电路数: 2
输入数: 4
特点: 三态
电源电压: 2 V ~ 6 V
电流 - 静态(最大值): 8µA
输出电流高,低: 7.8mA,7.8mA
逻辑电平 - 低: 0.5 V ~ 1.8 V
逻辑电平 - 高: 1.5 V ~ 4.2 V
额定电压和最大 CL 时的最大传播延迟: 26ns @ 6V,150pF
工作温度: -40°C ~ 85°C
安装类型: 通孔
供应商设备封装: 20-DIP
封装/外壳: 20-DIP(0.300",7.62mm)
包装: 管件
其它名称: 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
fer
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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相关代理商/技术参数
参数描述
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:缓冲器和线路驱动器 Inv Oct 3-STATE Buf RoHS:否 制造商:Micrel 输入线路数量:1 输出线路数量:2 极性:Non-Inverting 电源电压-最大:+/- 5.5 V 电源电压-最小:+/- 2.37 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Reel
MM74HC240SJ 功能描述:缓冲器和线路驱动器 Inv Oct 3-STATE Buf RoHS:否 制造商:Micrel 输入线路数量:1 输出线路数量:2 极性:Non-Inverting 电源电压-最大:+/- 5.5 V 电源电压-最小:+/- 2.37 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Reel
MM74HC240SJX 功能描述:缓冲器和线路驱动器 Inv Oct 3-STATE Buf RoHS:否 制造商:Micrel 输入线路数量:1 输出线路数量:2 极性:Non-Inverting 电源电压-最大:+/- 5.5 V 电源电压-最小:+/- 2.37 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Reel