參數(shù)資料
型號(hào)： MC74ACT640DT
廠商： ON SEMICONDUCTOR
元件分類： 總線收發(fā)器
英文描述： ACT SERIES, 8-BIT TRANSCEIVER, INVERTED OUTPUT, PDSO20
封裝： PLASTIC, TSSOP-20
文件頁數(shù)： 1/7頁
文件大小： 172K
代理商： MC74ACT640DT
Semiconductor Components Industries, LLC, 2006
March, 2006 Rev. 2
1
Publication Order Number:
MC74ACT640/D
MC74ACT640
Octal 3State Inverting
Transciever
The MC74ACT640 octal bus transceiver is designed for
asynchronous two-way communication between data buses. The
device transmits data from bus A to bus B when T/R = HIGH, or from
bus B to bus A when T/R = LOW. The enable input can be used to
disable the device so the buses are effectively isolated.
Bidirectional Data Path
A and B Outputs Sink 24 mA/Source 24 mA
TTL Compatible Inputs
w These devices are available in Pbfree package(s). Specifications herein
apply to both standard and Pbfree devices. Please see our website at
www.onsemi.com for specific Pbfree orderable part numbers, or
contact your local ON Semiconductor sales office or representative.
19
20
18
16
15
14
2
1
3
4567
VCC
13
8
12
9
11
10
OE
B0
B1
B2
B3
B4
B5
B6
B7
T/R
A0
A1
A2
A3
A4
A5
A6
A7
GND
17
Figure 1. Pinout: 20Lead Packages Conductors
(Top View)
PIN ASSIGNMENT
PIN
FUNCTION
A0A7
Side A Inputs or 3-State Outputs
OE
Output Enable Input
T/R
Transmit/Receive Input
B0B7
Side B Inputs or 3-State Outputs
TRUTH TABLE
OE
T/R
Applied
Inputs
Valid
Direction
I/P→O/P
Output
H
X
L
H
A to B
L
H
L
A to B
H
L
H
B to A
L
B to A
H
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
http://onsemi.com
1
20
PDIP20
N SUFFIX
CASE 738
1
20
1
20
1
20
SO20
DW SUFFIX
CASE 751
TSSOP20
DT SUFFIX
CASE 948E
EIAJ20
M SUFFIX
CASE 967
Device
Package
Shipping
ORDERING INFORMATION
MC74ACT640N
PDIP20
18 Units/Rail
MC74ACT640DW
SOIC20
38 Units/Rail
MC74AC640DWR2
SOIC20
1000 Tape & Reel
MC74AC640DT
TSSOP20
75 Units/Rail
MC74ACT640DTR2 TSSOP20 2500 Tape & Reel
MC74ACT640M
EIAJ20
40 Units/Rail
MC74AC640MEL
EIAJ20
2000 Tape & Reel
See general marking information in the device marking
section on page 5 of this data sheet.
DEVICE MARKING INFORMATION
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MC74ACT640DW 功能描述:總線收發(fā)器 Octal Transceiver RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時(shí)間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel
MC74ACT640DWG 功能描述:總線收發(fā)器 Octal Transceiver Inverting RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時(shí)間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel
MC74ACT640DWR2 功能描述:總線收發(fā)器 Octal Transceiver RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時(shí)間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel
MC74ACT640DWR2G 功能描述:總線收發(fā)器 Octal Transceiver Inverting RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時(shí)間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel
MC74ACT640MEL 功能描述:總線收發(fā)器 Octal Transceiver RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時(shí)間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel
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