MM74C240 查看數據表（PDF） - Fairchild Semiconductor

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MM74C240

Inverting • Non-Inverting Octal Buffer and Line Driver with 3-STATE Outputs

Fairchild Semiconductor 

October 1987

Revised May 2002

MM74C240 • MM74C244

Inverting • Non-Inverting Octal Buffer and

Line Driver with 3-STATE Outputs

General Description

The MM74C240 and MM74C244 octal buffers and line

drivers are monolithic complementary MOS (CMOS) inte-

grated circuits with 3-STATE outputs. These outputs have

been specially designed to drive highly capacitive loads

such as bus-oriented systems. These devices have a fan

out of 6 low power Schottky loads. A high logic level on the

output disable control input G makes the outputs go into

the high impedance state.

Features

s Wide supply voltage range (3V to 15V)

s High noise immunity (0.45 VCC typ)

s Low power consumption

s High capacitive load drive capability

s 3-STATE outputs

s Input protection

s TTL compatibility

s 20-pin dual-in-line package

s High speed 25 ns (typ.) @ 10V, 50 pF (MM74C244)

Ordering Code:

Order Number Package Number

Package Description

MM74C240WM

M20B

20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide

MM74C240N

N20A

20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300" Wide

MM74C244WM

M20B

20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide

MM74C244N

N20A

20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300" Wide

Devices also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering code.

Connection Diagrams

MM74C240

MM74C244

(Top View)

© 2002 Fairchild Semiconductor Corporation DS005905

(Top View)

www.fairchildsemi.com

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