VCC GND

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參數資料
型號: MC74HC240AFELG
廠商: ON Semiconductor
文件頁數: 5/9頁
文件大小: 0K
描述: IC INVERTER DL 4-INPUT 20SOEIAJ
產品變化通告: 1Q2012 Discontinuation 30/Mar/2012
標準包裝: 2,000
系列: 74HC
邏輯類型: 逆變器,緩沖器
電路數: 2
輸入數: 4
特點: 三態
電源電壓: 2 V ~ 6 V
電流 - 靜態(最大值): 4µA
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 時的最大傳播延遲: 14ns @ 6V,50pF
工作溫度: -55°C ~ 125°C
安裝類型: 表面貼裝
供應商設備封裝: SOEIAJ-20
封裝/外殼: 20-SOIC(0.209",5.30mm 寬)
包裝: 帶卷 (TR)
MC74HC240A
http://onsemi.com
5
SWITCHING WAVEFORMS
DATA INPUT
A OR B
OUTPUT
YA OR YB
VCC
GND
tf
tr
90%
50%
10%
90%
50%
10%
tPHL
tPLH
tTHL
tTLH
ENABLE
OUTPUT Y
50%
90%
10%
tPZL
tPLZ
tPZH
tPHZ
VCC
GND
HIGH
IMPEDANCE
VOL
VOH
HIGH
IMPEDANCE
Figure 1.
Figure 2.
*Includes all probe and jig capacitance
CL*
TEST POINT
DEVICE
UNDER
TEST
OUTPUT
Figure 3. Test Circuit
*Includes all probe and jig capacitance
CL*
TEST POINT
DEVICE
UNDER
TEST
OUTPUT
Figure 4. Test Circuit
CONNECT TO VCC WHEN
TESTING tPLZ AND tPZL.
CONNECT TO GND WHEN
TESTING tPHZ AND tPZH.
1 k
W
PIN DESCRIPTIONS
INPUTS
A1, A2, A3, A4, B1, B2, B3, B4
(Pins 2, 4, 6, 8, 11, 13, 15, 17)
Data input pins. Data on these pins appear in inverted form
on the corresponding Y outputs, when the outputs are
enabled.
CONTROLS
Enable A, Enable B (Pins 1, 19)
Output enables (activelow). When a low level is applied
to these pins, the outputs are enabled and the devices
function as inverters. When a high level is applied, the
outputs assume the highimpedance state.
OUTPUTS
YA1, YA2, YA3, YA4, YB1, YB2, YB3, YB4
(Pins 18, 16, 14, 12, 9, 7, 5, 3)
Device outputs. Depending upon the state of the
outputenable pins, these outputs are either inverting
outputs or highimpedance outputs.
相關PDF資料
PDF描述
OSTHP235052 CON TERM BLOCK 23POS 5.08MM
SC16ML1S31 CONTACT SKT CRIMP 16-18AWG GOLD
MC74HC240ADW IC INVERTER DUAL 4-INPUT 20SOIC
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OSTHI230050 CONN TERM BLOCK 23POS 5MM
相關代理商/技術參數
參數描述
MC74HC240AFG 功能描述:緩沖器和線路驅動器 2-6V Octal 3-State Inverting RoHS:否 制造商:Micrel 輸入線路數量:1 輸出線路數量: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 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel
MC74HC240AFL1 制造商:Rochester Electronics LLC 功能描述:- Bulk
MC74HC240AFL2 制造商:Rochester Electronics LLC 功能描述:- Bulk
MC74HC240AFR2 制造商:Motorola Inc 功能描述:
MC74HC240AH 制造商:Rochester Electronics LLC 功能描述:- Bulk
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