欧美成人免费电影,国产欧美一区二区三区精品酒店,精品国产a毛片,色网在线免费观看

參數(shù)資料
型號: MC74VHC244DW
廠商: ON SEMICONDUCTOR
元件分類: 通用總線功能
英文描述: Octal Bus Buffer
中文描述: AHC/VHC SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, PDSO20
封裝: SOIC-20
文件頁數(shù): 1/6頁
文件大小: 165K
代理商: MC74VHC244DW
SEMICONDUCTOR TECHNICAL DATA
1
REV 1
Motorola, Inc. 1997
6/97
The MC74VHC244 is an advanced high speed CMOS octal bus buffer
fabricated with silicon gate CMOS technology. It achieves high speed
operation similar to equivalent Bipolar Schottky TTL while maintaining
CMOS low power dissipation.
The MC74VHC244 is a noninverting 3–state buffer, and has two
active–low output enables. This device is designed to be used with 3–state
memory address drivers, etc.
The internal circuit is composed of three stages, including a buffer output
which provides high noise immunity and stable output. The inputs tolerate
voltages up to 7V, allowing the interface of 5V systems to 3V systems.
High Speed: tPD = 3.9ns (Typ) at VCC = 5V
Low Power Dissipation: ICC = 4
μ
A (Max) at TA = 25
°
C
High Noise Immunity: VNIH = VNIL = 28% VCC
Power Down Protection Provided on Inputs
Balanced Propagation Delays
Designed for 2V to 5.5V Operating Range
Low Noise: VOLP = 0.9V (Max)
Pin and Function Compatible with Other Standard Logic Families
Latchup Performance Exceeds 300mA
ESD Performance: HBM > 2000V; Machine Model > 200V
Chip Complexity: 136 FETs or 34 Equivalent Gates
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
OUTPUT
ENABLES
OEA
OEB
1
19
OEA, OEB
A, B
YA, YB
L
L
H
L
H
X
L
H
Z
INPUTS
OUTPUTS
FUNCTION TABLE
PIN ASSIGNMENT
A3
A2
YB4
A1
OEA
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
OEB
VCC
B1
YA4
B2
YA3
B3
DW SUFFIX
20–LEAD SOIC PACKAGE
CASE 751D–04
ORDERING INFORMATION
MC74VHCXXXDW
MC74VHCXXXDT
MC74VHCXXXM
SOIC
TSSOP
SOIC EIAJ
DT SUFFIX
20–LEAD TSSOP PACKAGE
CASE 948E–02
M SUFFIX
20–LEAD SOIC EIAJ PACKAGE
CASE 967–01
相關(guān)PDF資料
PDF描述
MC74VHC244M Octal Bus Buffer
MC74VHC245 Octal Bus Transceiver
MC74VHC245DT Octal Bus Transceiver
MC74VHC245DW Octal Bus Transceiver
MC74VHC245M Octal Bus Transceiver
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MC74VHC244DWR2 功能描述:緩沖器和線路驅(qū)動器 2-5.5V 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(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel
MC74VHC244DWR2G 功能描述:緩沖器和線路驅(qū)動器 2-5.5V Octal 3-State Non-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
MC74VHC244M 制造商:Rochester Electronics LLC 功能描述:- Bulk
MC74VHC244MEL 功能描述:緩沖器和線路驅(qū)動器 2-5.5V 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(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel
MC74VHC244MELG 功能描述:緩沖器和線路驅(qū)動器 2-5.5V Octal 3-State Non-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
主站蜘蛛池模板: 普兰店市| 夏邑县| 武清区| 海阳市| 舒兰市| 廉江市| 弥勒县| 象州县| 光山县| 双江| 南木林县| 灵台县| 吴桥县| 揭阳市| 海兴县| 游戏| 乐业县| 东乌珠穆沁旗| 博兴县| 利津县| 酒泉市| 祁连县| 东乡县| 年辖:市辖区| 临洮县| 景东| 大城县| 萨嘎县| 平罗县| 鹤庆县| 富裕县| 乌拉特中旗| 龙岩市| 永嘉县| 尼勒克县| 湟中县| 双鸭山市| 新河县| 蓬溪县| 青阳县| 龙里县|