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參數(shù)資料
| 型號： | MC74VHC240 |
| 廠商： | ON SEMICONDUCTOR |
| 英文描述： | Octal Bus Buffer/Line Driver |
| 中文描述： | 八路總線緩沖器/線路驅(qū)動器 |
| 文件頁數(shù)： | 1/6頁 |
| 文件大小： | 173K |
| 代理商： | MC74VHC240 |
SEMICONDUCTOR TECHNICAL DATA
1
REV 0
Motorola, Inc. 1997
6/97
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The MC74VHC240 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 MC74VHC240 is an inverting 3–state buffer, and has two active–low
output enables. This device is designed to drive bus lines or buffer memory
address registers.
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 = 3.6ns (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: 120 FETs or 30 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
INVERTING
OUTPUTS
OUTPUT
ENABLES
OEA
OEB
1
19
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
OEA, OEB
A, B
YA, YB
L
L
H
L
H
X
H
L
Z
INPUTS
OUTPUTS
FUNCTION TABLE
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MC74VHC244 | Octal Bus Buffer |
| MC74VHC244DT | Octal Bus Buffer |
| MC74VHC244DW | Octal Bus Buffer |
| MC74VHC244M | Octal Bus Buffer |
| MC74VHC245 | Octal Bus Transceiver |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC74VHC240DT | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| MC74VHC240DTR2 | 功能描述:緩沖器和線路驅(qū)動器 2-5.5V Octal 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 |
| MC74VHC240DTR2G | 功能描述:緩沖器和線路驅(qū)動器 2-5.5V Octal Inverting 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 |
| MC74VHC240DW | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| MC74VHC240DWR2 | 功能描述:緩沖器和線路驅(qū)動器 2-5.5V Octal 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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