參數(shù)資料
型號: MC74ACT240DTR2
廠商: ON Semiconductor
文件頁數(shù): 1/10頁
文件大?。?/td> 0K
描述: IC INVERTER DUAL 4-INPUT 20TSSOP
產(chǎn)品變化通告: Product Obsolescence 24/Jan/2011
標(biāo)準(zhǔn)包裝: 2,500
系列: 74ACT
邏輯類型: 逆變器,緩沖器
電路數(shù): 2
輸入數(shù): 4
特點: 三態(tài)
電源電壓: 4.5 V ~ 5.5 V
電流 - 靜態(tài)(最大值): 8µA
輸出電流高,低: 24mA,24mA
邏輯電平 - 低: 0.8V
邏輯電平 - 高: 2V
額定電壓和最大 CL 時的最大傳播延遲: 8.5ns @ 5V,50pF
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
供應(yīng)商設(shè)備封裝: 20-TSSOP
封裝/外殼: 20-TSSOP(0.173",4.40mm 寬)
包裝: 帶卷 (TR)
Semiconductor Components Industries, LLC, 2006
November, 2006 Rev. 8
1
Publication Order Number:
MC74AC240/D
MC74AC240, MC74ACT240
Octal Buffer/Line Driver
with 3State Outputs
The MC74AC240/74ACT240 is an octal buffer and line driver
designed to be employed as a memory address driver, clock driver and
bus oriented transmitter or receiver which provides improved PC
board density.
Features
3State Outputs Drive Bus Lines or Buffer Memory Address
Registers
Outputs Source/Sink 24 mA
′ACT240 Has TTL Compatible Inputs
PbFree Packages are Available
TRUTH TABLE
Inputs
Outputs
OE1
D
(Pins 12, 14, 16, 18)
L
H
L
H
L
H
X
Z
NOTE:
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
Z = High Impedance
TRUTH TABLE
Inputs
Outputs
OE2
D
(Pins 3, 5, 7, 9)
L
H
L
H
L
H
X
Z
NOTE:
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
Z = High Impedance
19
20
18
17
16
15
14
2
1
34567
VCC
13
8
12
9
11
10
OE2
OE1
GND
Figure 1. Pinout: 20Lead Packages Conductors
(Top View)
http://onsemi.com
SOIC20W
DW SUFFIX
CASE 751D
TSSOP20
DT SUFFIX
CASE 948E
SOEIAJ20
M SUFFIX
CASE 967
1
PDIP20
N SUFFIX
CASE 738
1
See detailed ordering and shipping information in the package
dimensions section on page 6 of this data sheet.
ORDERING INFORMATION
See general marking information in the device marking
section on page 7 of this data sheet.
DEVICE MARKING INFORMATION
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