MM74C905 Ver la hoja de datos (PDF) - Fairchild Semiconductor
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MM74C905 Datasheet PDF : 8 Pages
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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 Package Number
Package Description
MM74C905N
N24A
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
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