DM74ALS240N-1/A+ datasheet, PDF

DM74ALS240N-1/A+: DescriptionIC,BUFFER/DRIVER,DUAL,4-BIT,ALS-TTL,DIP,20PIN,PLASTIC; Categorylogic logic; File Size279KB，4 Pages; ManufacturerTexas Instruments; Websitehttp://www.ti.com.cn/

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DM74ALS240N-1/A+ Overview

IC,BUFFER/DRIVER,DUAL,4-BIT,ALS-TTL,DIP,20PIN,PLASTIC

Parameter Name	Attribute value
Is it Rohs certified?	incompatible
package instruction	DIP, DIP20,.3
Reach Compliance Code	unknown
Control type	ENABLE LOW
JESD-30 code	R-PDIP-T20
JESD-609 code	e0
Logic integrated circuit type	BUS DRIVER
MaximumI(ol)	0.024 A
Number of digits	4
Number of functions	2
Number of terminals	20
Maximum operating temperature	70 °C
Minimum operating temperature
Output characteristics	3-STATE
Output polarity	INVERTED
Package body material	PLASTIC/EPOXY
encapsulated code	DIP
Encapsulate equivalent code	DIP20,.3
Package shape	RECTANGULAR
Package form	IN-LINE
power supply	5 V
Maximum supply current (ICC)	25 mA
Prop。Delay @ Nom-Sup	9 ns
Nominal supply voltage (Vsup)	5 V
surface mount	NO
technology	TTL
Temperature level	COMMERCIAL
Terminal surface	Tin/Lead (Sn/Pb)
Terminal form	THROUGH-HOLE
Terminal pitch	2.54 mm
Terminal location	DUAL
Base Number Matches	1

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Regarding the conversion problem of 24-bit AD conversion chip ads1252, please help: This program is written to allow the voltage value converted by ads1252 to be displayed on 1602 through the microcontroller. However, if the program does not add the averaging algorithm, the value is ...; 海盗郭兆广 MCU

Learn the software used by the host computer: I hope this helps! Thank you!!...; chanjay TI Technology Forum

The RTC setting of WINCE60 is very strange! Static functions in BSP cannot use long pointers? I don't understand where the problem lies!: The RTC setting of WINCE60 is very strange! Static functions in BSP cannot use long pointers? I don't understand where the problem lies! //= ... // SYSTEMTIME *pTime = (SYSTEMTIME*)pInpBuffer; OALMSG(...; licaiyanding Embedded System

Regarding the control of external devices: I would like to ask about the control of peripherals, such as audio equipment or cameras, etc. You can use the driver interface provided by the development board manufacturer to control them. I have a...; zzzpf Embedded System

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