MM74C240 Line Driver Datasheet

MM74C240 Datasheet, PDF, Equivalent


Part Number

MM74C240

Description

Inverting - Non-Inverting Octal Buffer and Line Driver

Manufacture

Fairchild

Total Page 8 Pages
Datasheet
Download MM74C240 Datasheet


MM74C240
October 1987
Revised July 1999
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 Body
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 Body
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
Pin Assignments for DIP and SOIC
MM74C240
MM74C244
(Top View)
© 1999 Fairchild Semiconductor Corporation DS005905
(Top View)
www.fairchildsemi.com

MM74C240
Logic Diagrams
MM74C240
MM74C244
Truth Tables
ODA
1
1
0
0
ODB
1
1
0
0
1 = HIGH
0 = LOW
X = Don’t Care
Z = 3-STATE
MM74C240
IA
X
X
0
1
IB
X
X
0
1
OA
Z
Z
1
0
OB
Z
Z
1
0
ODA
1
1
0
0
ODB
1
1
0
0
MM74C244
IA
X
X
0
1
IB
X
X
0
1
OA
Z
Z
0
1
OB
Z
Z
0
1
www.fairchildsemi.com
2


Features MM74C240 • MM74C244 Inverting • Non- Inverting Octal Buffer and Line Driver with 3-STATE Outputs October 1987 Revi sed July 1999 MM74C240 • MM74C244 In verting • Non-Inverting Octal Buffer and Line Driver with 3-STATE Outputs Ge neral Description The MM74C240 and MM74 C244 octal buffers and line drivers are monolithic complementary MOS (CMOS) in tegrated circuits with 3-STATE outputs. These outputs have been specially desi gned to drive highly capacitive loads s uch as bus-oriented systems. These devi ces have a fan out of 6 low power Schot tky loads. A high logic level on the ou tput disable control input G makes the outputs go into the high impedance stat e. Features s Wide supply voltage rang e (3V to 15V) s High noise immunity (0. 45 VCC typ) s Low power consumption s H igh capacitive load drive capability s 3-STATE outputs s Input protection s TT L compatibility s 20-pin dual-in-line p ackage s High speed 25 ns (typ.) @ 10V, 50 pF (MM74C244) Ordering Code: Order Number MM74C240WM MM74C240N MM7.
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