MM74C905

MM74C905 12-Bit Successive Approximation Register

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MM74C905 12-Bit Successive Approximation Register

October 1987 Revised July 2003

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.

Features
s Wide supply voltage range: 3.0V to 15V s Guaranteed noise margin: 1.0V s High noise immunity: 0.45 VCC (typ) s Low power TTL compatibility: Fan out of 2 driving 74L s Provision for register extension or truncation s Operates in START/STOP or continuous conversion mode s Drive ladder switches directly. For 10 bits or less with 50k/100k R/2R ladder network

Ordering Code:
Order Number MM74C905N Package Number N24A Package Description 24-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-011, 0.600" Wide

Connection Diagram
Pin Assignments for DIP

2003 Fairchild Semiconductor Corporation

DS005910

www.fairchildsemi.com