Document
Standard Products
ACT15530 CMOS Manchester Encoder / Decoder
www.aeroflex.com/Avionics
May 16, 2005
FEATURES ❑ MIL-STD-1553 Compatible ❑ 1.25 Megabit/sec Maximum Data Rate ❑ Sync Identification and Lock-in ❑ Clock Recovery ❑ Manchester II Encode / Decode ❑ Separate Encoder and Decoder Sections ❑ Low Operating Power ❑ Monolithic – Single Chip Construction
Valid Word 1 Encoder Shift Clock 2
Take Data 3 Serial Data Out 4 Decoder Clock 5 Bipolar Zero In 6 Bipolar One In 7 Unipolar Data In 8 Decoder Shift Clock 9 Command/Data Sync 10 Decoder Reset 11
VSS 12
24 VDD 23 Encoder Clock 22 Send Clock In 21 Send Data 20 Sync Select 19 Encoder Enable 18 Serial Data In 17 Bipolar One Out 16 Output Inhibit 15 Bipolar Zero Out
14 ÷ 6 Out
13 Master Reset
Figure 1: Pin Assignments
(24-Pin DIP/Flat Package – See Figure 18 for LCC Pkg)
❑ Several Package and Quality Options (Consult Factory for Details)
❑ Direct Replacement for the Obsolete Harris HD15530-9/-2/8 and GEC Pless.