VCC GND
參數(shù)資料
型號: MC74HC240ADW
廠商: ON Semiconductor
文件頁數(shù): 5/9頁
文件大?。?/td> 0K
描述: IC INVERTER DUAL 4-INPUT 20SOIC
產(chǎn)品變化通告: Product Discontinuation 20/Aug/2008
標(biāo)準(zhǔn)包裝: 38
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: 三態(tài)
電源電壓: 2 V ~ 6 V
電流 - 靜態(tài)(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(yīng)商設(shè)備封裝: 20-SOIC
封裝/外殼: 20-SOIC(0.295",7.50mm 寬)
包裝: 管件
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.
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MC74HC240ADWG 功能描述:緩沖器和線路驅(qū)動器 2-6V Octal 3-State Inverting 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
MC74HC240ADWR2 功能描述:緩沖器和線路驅(qū)動器 2-6V Octal 3-State 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
MC74HC240ADWR2G 功能描述:緩沖器和線路驅(qū)動器 2-6V Octal 3-State Inverting 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
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