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54F545DM 데이터시트(PDF) 1 Page - National Semiconductor (TI) |
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54F545DM 데이터시트(HTML) 1 Page - National Semiconductor (TI) |
1 / 8 page TLF9556 May 1995 54F74F545 Octal Bidirectional Transceiver with TRI-STATE Outputs General Description The ’F545 is an 8-bit TRI-STATE high-speed transceiver It provides bidirectional drive for bus-oriented microprocessor and digital communications systems Straight through bidi- rectional transceivers are featured with 24 mA (20 mA Mil) bus drive capability on the A ports and 64 mA (48 mA Mil) bus drive capability on the B ports One input TransmitReceive (TR) determines the direction of logic signals through the bidirectional transceiver Trans- mit enables data from A ports to B ports Receive enables data from B ports to A ports The Output Enable input dis- ables both A and B ports by placing them in a TRI-STATE condition Features Y Higher drive than 8304 Y 8-bit bidirectional data flow reduces system package count Y TRI-STATE inputsoutputs for interfacing with bus-ori- ented systems Y 24 mA (20 mA Mil) and 64 mA (48 mA Mil) bus drive capability on A and B ports respectively Y TransmitReceive and Output Enable simplify control logic Y Guaranteed 4000V minimum ESD protection Y Pin for Pin compatible with Intel 8286 Commercial Military Package Package Description Number 74F545PC N20A 20-Lead (0300 Wide) Molded Dual-In-Line 54F545DM (Note 2) J20A 20-Lead Ceramic Dual-In-Line 74F545SC (Note 1) M20B 20-Lead (0300 Wide) Molded Small Outline JEDEC 74F545SJ (Note 1) M20D 20-Lead (0300 Wide) Molded Small Outline EIAJ 54F545FM (Note 2) W20A 20-Lead Cerpack 54F545LM (Note 2) E20A 20-Lead Ceramic Leadless Chip Carrier Type C Note 1 Devices also available in 13 reel Use suffix e SCX and SJX Note 2 Military grade device with environmental and burn-in processing Use suffix e DMQB FMQB and LMQB Logic Symbols TLF9556 – 3 IEEEIEC TLF9556 – 5 TRI-STATE is a registered trademark of National Semiconductor Corporation C1995 National Semiconductor Corporation RRD-B30M105Printed in U S A |
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