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參數(shù)資料
| 型號： | MC74HC240AN |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 通用總線功能 |
| 英文描述： | Octal 3-State Inverting Buffer/Line Driver/Line Receiver |
| 中文描述： | HC/UH SERIES, DUAL 4-BIT DRIVER, INVERTED OUTPUT, PDIP20 |
| 封裝： | PLASTIC, DIP-20 |
| 文件頁數(shù)： | 4/7頁 |
| 文件大小： | 168K |
| 代理商： | MC74HC240AN |
MC54/74HC240A
MOTOROLA
High–Speed CMOS Logic Data
DL129 — Rev 6
4
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
OUTPUT Y
50%
50%
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
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 (active–low). When a low level is applied
to these pins, the outputs are enabled and the devices func-
tion as inverters. When a high level is applied, the outputs
assume the high–impedance 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 output–
enable pins, these outputs are either inverting outputs or
high–impedance outputs.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MC74HC240A | Octal 3-State Inverting Buffer/Line Driver/Line Receiver |
| MC54-74HC244A | Octal 3-State Noninverting Buffer/Line Driver/Line Receiver |
| MC74HC244A | Octal 3-State Noninverting Buffer/Line Driver/Line Receiver |
| MC54-74HC245A | Octal 3-State Noninverting Buffer Transceiver |
| MC74HC254A | Octal 3-State Noninverting Buffer Transceiver |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC74HC240ANG | 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 |
| MC74HC240N | 制造商:Freescale Semiconductor 功能描述: |
| MC74HC241AF | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| MC74HC241AFEL | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| MC74HC241AFR1 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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