MM74C905N Fairchild Semiconductor, MM74C905N Datasheet

IC REGISTER SUCC-APPROX 24-DIP

MM74C905N

Manufacturer Part Number
MM74C905N
Description
IC REGISTER SUCC-APPROX 24-DIP
Manufacturer
Fairchild Semiconductor
Series
74Cr
Datasheet

Specifications of MM74C905N

Logic Type
Register, Successive Approximation
Output Type
Standard
Number Of Elements
1
Number Of Bits Per Element
12
Function
Universal
Voltage - Supply
3 V ~ 15 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Through Hole
Package / Case
24-DIP (0.600", 15.24mm)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
74C905
74C905N

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
MM74C905N
Manufacturer:
FAIRCHILD/仙童
Quantity:
20 000
Company:
Part Number:
MM74C905N
Quantity:
9
© 2003 Fairchild Semiconductor Corporation
MM74C905N
MM74C905
12-Bit Successive Approximation Register
General Description
The MM74C905 CMOS 12-bit successive approximation
register contains all the digit control and storage necessary
for successive approximation analog-to-digital conversion.
Because of the unique capability of CMOS to switch to
each supply rail without any offset voltage, it can also be
used in digital systems as the control and storage element
in repetitive routines.
Ordering Code:
Connection Diagram
Order Number
Package Number
N24A
24-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-011, 0.600" Wide
DS005910
Pin Assignments for DIP
Features
Wide supply voltage range:
Guaranteed noise margin: 1.0V
High noise immunity: 0.45 V
Low power TTL compatibility: Fan out of 2 driving 74L
Provision for register extension or truncation
Operates in START/STOP or continuous conversion
mode
Drive ladder switches directly. For 10 bits or less with
50k/100k R/2R ladder network
Package Description
October 1987
Revised July 2003
CC
3.0V to 15V
(typ)
www.fairchildsemi.com

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MM74C905N Summary of contents

Page 1

... Ordering Code: Order Number Package Number MM74C905N N24A 24-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-011, 0.600" Wide Connection Diagram © 2003 Fairchild Semiconductor Corporation Features Wide supply voltage range: Guaranteed noise margin: 1 ...

Page 2

Truth Table Time Inputs Q11 D11 D10 H L D11 D11 D10 D11 ...

Page 3

Absolute Maximum Ratings Voltage at Any Pin 0. Operating Temperature Range ( Storage Temperature Range ( Power Dissipation ( Dual-In-Line Small Outline Operating V Range CC Absolute ...

Page 4

AC Electrical Characteristics pF, unless otherwise specified A L Symbol Parameter t Propagation Delay Time from pd Clock Input to Outputs (Q0–Q11 pd(Q) t Propagation Delay Time from pd Clock Input to D0 ...

Page 5

Timing Diagram 5 www.fairchildsemi.com ...

Page 6

Switching Time Waveforms USER NOTES FOR A/D CONVERSION The register can be used with either current switches that require a low voltage level to turn the switch ON or current switches that require a high voltage level to turn the ...

Page 7

Typical Applications 12-Bit Successive Approximation A-to-D Converter, Operating in Continuous 8–Bit Truncated Mode 12-Bit Successive Approximation A-to-D Converter, Operating in Continuous Mode, Drives the 50k/100k Ladder Network Directly Definition of Terms CP: Register clock input. CC: Conversion complete—this output remains ...

Page 8

Physical Dimensions inches (millimeters) unless otherwise noted 24-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-011, 0.600" Wide Fairchild does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and Fairchild reserves the right at ...

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