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參數(shù)資料
| 型號： | MC74HCT244AFELG |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 通用總線功能 |
| 英文描述： | Octal 3−State Noninverting Buffer/Line Driver/Line Receiver with LSTTL−Compatible Inputs |
| 中文描述： | HCT SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, PDSO20 |
| 封裝： | LEAD FREE, EIAJ, SOIC-20 |
| 文件頁數(shù)： | 1/8頁 |
| 文件大?。?/td> | 123K |
| 代理商： | MC74HCT244AFELG |
Semiconductor Components Industries, LLC, 2006
December, 2006 Rev. 11
1
Publication Order Number:
MC74HCT244A/D
MC74HCT244A
Octal 3State Noninverting
Buffer/Line Driver/
Line Receiver with
LSTTLCompatible Inputs
HighPerformance SiliconGate CMOS
The MC74HCT244A is identical in pinout to the LS244. This
device may be used as a level converter for interfacing TTL or NMOS
outputs to HighSpeed CMOS inputs. The HCT244A is an octal
noninverting buffer line driver line receiver designed to be used with
3state memory address drivers, clock drivers, and other busoriented
systems. The device has noninverted outputs and two activelow
output enables.
The HCT244A is the noninverting version of the HCT240. See
also HCT241.
Features
Output Drive Capability: 15 LSTTL Loads
TTL NMOSCompatible Input Levels
Outputs Directly Interface to CMOS, NMOS, and TTL
Operating Voltage Range: 4.5 to 5.5 V
Low Input Current: 1 A
In Compliance with the Requirements Defined by JEDEC Standard
No. 7A
Chip Complexity: 112 FETs or 28 Equivalent Gates
PbFree Packages are Available
Figure 1. Logic Diagram
DATA INPUTS
A1
A2
A3
A4
B1
B2
B3
B4
17
15
13
11
8
6
4
2
18
16
14
12
9
7
5
3
YB4
YB3
YB2
YB1
YA4
YA3
YA2
YA1
NONINVERTING
OUTPUTS
PIN 20 = V
CC
PIN 10 = GND
OUTPUT
ENABLES
ENABLE A
ENABLE B
1
19
PIN ASSIGNMENT
A3
A2
YB4
A1
ENABLE A
GND
YB1
A4
YB2
YB3
5
4
3
2
1
10
9
8
7
6
14
15
16
17
18
19
20
11
12
13
YA2
B4
YA1
ENABLE B
V
CC
B1
YA4
B2
YA3
B3
http://onsemi.com
SOIC20W
DW SUFFIX
CASE 751D
TSSOP20
DT SUFFIX
CASE 948E
SOEIAJ20
M SUFFIX
CASE 967
1
1
1
PDIP20
N SUFFIX
CASE 738
1
See detailed ordering, shipping, and marking information in
the package dimensions section on page 5 of this data sheet.
ORDERING AND MARKING INFORMATION
FUNCTION TABLE
Inputs
Enable A,
Enable B
Outputs
A, B
YA, YB
L
L
H
L
H
X
L
H
Z
Z = high impedance, X = don’t care
相關PDF資料 |
PDF描述 |
|---|---|
| MC74HCT244AFG | Octal 3−State Noninverting Buffer/Line Driver/Line Receiver with LSTTL−Compatible Inputs |
| MC74HCT244ANG | Octal 3−State Noninverting Buffer/Line Driver/Line Receiver with LSTTL−Compatible Inputs |
| MC74HCT244A | Octal 3-State Noninverting Buffer/Line Driver/Line Receiver with LSTTL-Compatible Inputs(八總線緩沖器（三態(tài)同相輸出）) |
| MC74HCT244ADT | Octal 3-State Noninverting Buffer/Line Driver/Line Receiver with LSTTL-Compatible Inputs |
| MC74HCT244ADTR2 | Octal 3-State Noninverting Buffer/Line Driver/Line Receiver with LSTTL-Compatible Inputs |
相關代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC74HCT244AFG | 功能描述:緩沖器和線路驅(qū)動器 5V Octal 3-State Non-Inverting TTL 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 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
| MC74HCT244AFL1 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| MC74HCT244AFR2 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| MC74HCT244AN | 功能描述:緩沖器和線路驅(qū)動器 5V 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 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
| MC74HCT244ANG | 功能描述:緩沖器和線路驅(qū)動器 5V Octal 3-State Non-Inverting TTL 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 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
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