74F646 Philips, 74F646 Datasheet
74F646
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74F646 Summary of contents
Page 1
... Octal transceiver/register, non-inverting (3-State) 74F648, 74F648A Octal transceiver/register, inverting (3-State) Product specification IC15 Data Handbook Philips Semiconductors INTEGRATED CIRCUITS 1990 Sep 25 ...
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... High impedance base inputs for reduced loading ( high and low states) Independent registers for A and B buses Multiplexed real-time and stored data Choice of non-inverting and inverting data paths Controlled ramp outputs for 74F646A/74F648A 3-state outputs 300 mil wide 24-pin slim dip package TYPE 74F646/74F648 ...
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... SBA 1 CPAB 2 SAB Pin 24 CC GND = Pin 12 3 Product specification 74F646/A/74F648/A 74F646/646A G3 3 EN1 [BA] 3 EN2 [AB SF00388 74F646/646A channels other channels SF00393 20 B0 ...
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... LOGIC DIAGRAM DIR 23 CPBA 22 SBA 1 CPAB 2 SAB Product specification 74F646/A/74F648/A 74F648/648A G3 3 EN1 [BA] 3 EN2 [AB SF00391 74F648/648A channels ...
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... Output Real time A data to B bus X Input Output Stored A data to B bus PARAMETER 74F646A, 74F648A 74F646, 74F648 74F646A, 74F648A 74F646, 74F648 5 Product specification 74F646/A/74F648/A OPERATING MODE 74F648/74F648A Store A, B unspecified* Store B, A unspecified* Store A and B data Isolation, hold storage Real time B data to A bus ...
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... Philips Semiconductors Transceivers/registers The following examples demonstrate the four fundamental bus–management functions that can be performed with the 74F646/646A and 74F648/648A. The select pins determine whether BUS MANAGEMENT FUNCTIONS REAL TIME BUS TRANSFER REAL TIME BUS TRANSFER BUS B TO BUS A BUS A ...
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... O 1990 Sep 25 TEST CONDITIONS V = MIN –3mA MAX MIN IH –15mA V = MIN, CC All I = 48mA MAX, IL 74F646/74F648 only V = MIN I = 64mA MIN others V = 0.0V 7. A0–A7, B0– MAX 5. OE, DIR, CPAB MAX 2. ...
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... Philips Semiconductors Transceivers/registers AC ELECTRICAL CHARACTERISTICS FOR 74F646 SYMBOL PARAMETER f Maximum clock frequency max t Propagation delay PLH t CPAB or CPBA PHL t Propagation delay PLH PHL t Propagation delay PLH t SAB or SBA PHL t Output enable time PZH ...
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... Waveform 6 6.0 8.5 12.0 Waveform 5 5.0 9.0 12.5 Waveform 6 5.0 9.0 12 +25 C amb TEST CONDITION V = +5. 50pF 500 L L MIN TYP MAX 4.0 Waveform 4 4.0 0 Waveform 4 0 3.5 Waveform 1 6.5 9 Product specification 74F646/A/74F648/A LIMITS +70 C amb V = +5.0V 10% UNIT 50pF 500 L L MIN MAX 90 MHz 4.5 11.0 ns 4.5 11.0 2.5 9.5 ns 3.5 9.5 4.5 10.5 ns 4.5 9.5 4.5 11.0 ns 5.5 12 ...
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... Philips Semiconductors Transceivers/registers AC ELECTRICAL CHARACTERISTICS FOR 74F646A SYMBOL PARAMETER f Maximum clock frequency max t Propagation delay PLH t CPAB or CPBA PHL t Propagation delay PLH PHL t Propagation delay PLH t SAB or SBA PHL t Output enable time PZH ...
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... MIN 4.0 Waveform 4 4.0 0 Waveform 4 0 3.5 Waveform 1 3 PLH SF00394 Waveform 2. Propagation delay for and 11 Product specification 74F646/A/74F648/A LIMITS = + +70 C amb = +5. +5.0V 10% UNIT CC = 500 C = 50pF 500 TYP MAX MIN MAX ...
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... NEGATIVE PULSE 10 90% POSITIVE V PULSE M 10% INPUT PULSE REQUIREMENTS family amplitude of OUT 74F 3.0V 12 Product specification 74F646/A/74F648 PZH PHZ V M SF00398 PZL PLZ SF00399 disable time from low level ...
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... Philips Semiconductors Transceivers/registers DIP24: plastic dual in-line package; 24 leads (300 mil) 1990 Sep 25 74F646/A/74F648/A 13 Product specification SOT222-1 ...
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... Philips Semiconductors Transceivers/registers SO24: plastic small outline package; 24 leads; body width 7.5 mm 1990 Sep 25 74F646/A/74F648/A 14 Product specification SOT137-1 ...
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... Philips Semiconductors Transceivers/registers 1990 Sep 25 74F646/A/74F648/A NOTES 15 Product specification ...
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... Philips Semiconductors 811 East Arques Avenue P.O. Box 3409 Sunnyvale, California 94088–3409 Telephone 800-234-7381 Philips Semiconductors yyyy mmm dd [1] Copyright Philips Electronics North America Corporation 1998 print code Document order number: 16 Product specification 74F646/A/74F648/A All rights reserved. Printed in U.S.A. Date of release: 10-98 9397-750-05151 ...