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參數(shù)資料
| 型號(hào)： | MM74HC240WMX |
| 廠商： | Fairchild Semiconductor |
| 文件頁(yè)數(shù)： | 1/8頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC INVERTER DUAL 4-INPUT 20SOIC |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 系列： | 74HC |
| 邏輯類(lèi)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(lèi)型： | 表面貼裝 |
| 供應(yīng)商設(shè)備封裝： | 20-SOIC |
| 封裝/外殼： | 20-SOIC（0.295"，7.50mm 寬） |
| 包裝： | 標(biāo)準(zhǔn)包裝 |
| 產(chǎn)品目錄頁(yè)面： | 1209 (CN2011-ZH PDF) |
| 其它名稱(chēng)： | MM74HC240WMXDKR |
2005 Fairchild Semiconductor Corporation
DS005020
www.fairchildsemi.com
September 1983
Revised May 2005
MM74HC240
Inve
rti
ng
O
c
ta
l3-ST
A
T
E
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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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MM74HC240WMX-CUT TAPE | 制造商:FAIRCHILD 功能描述:MM74HC Series 2 to 6 V Supply CMOS Inverting Octal 3-STATE Buffer - SOIC-20 |
| MM74HC241N | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| MM74HC242 | 制造商:NSC 制造商全稱(chēng):National Semiconductor 功能描述:Inverting Quad TRI-STATE Transceiver |
| MM74HC242J | 制造商:NSC 制造商全稱(chēng):National Semiconductor 功能描述:Inverting Quad TRI-STATE Transceiver |
| MM74HC242N | 制造商:NSC 制造商全稱(chēng):National Semiconductor 功能描述:Inverting Quad TRI-STATE Transceiver |
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