74AHC257 Philips Semiconductors, 74AHC257 Datasheet
74AHC257
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74AHC257 Summary of contents
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... DATA SHEET 74AHC257; 74AHCT257 Quad 2-input multiplexer; 3-state Product specification File under Integrated Circuits, IC06 INTEGRATED CIRCUITS 2000 Apr 03 ...
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... MHz; notes 1 and outputs switching via input S 1 output switching via input where Product specification 74AHC257; 74AHCT257 are selected when S is HIGH. Data appears ...
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... V) output enable input (active LOW) DC supply voltage PACKAGES PACKAGE MATERIAL SO plastic TSSOP plastic SO plastic TSSOP plastic DESCRIPTION Product specification 74AHC257; 74AHCT257 OUTPUT CODE SOT109-1 SOT403-1 SOT109-1 SOT403-1 ...
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... handbook, halfpage handbook, halfpage Product specification 74AHC257; 74AHCT257 Fig.2 Logic symbol ...
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... Philips Semiconductors Quad 2-input multiplexer; 3-state handbook, full pagewidth 2000 Apr Fig.5 Logic diagram. 5 Product specification 74AHC257; 74AHCT257 MNA539 ...
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... V; note < 0 > 0.5 V; note 0.5 V < V < 0 for temperature range +125 C; note 2 derates linearly with 8 mW/K. D derates linearly with 5.5 mW/ Product specification 74AHC257; 74AHCT257 74AHCT UNIT TYP. MAX. 5.5 4.5 5.0 5.5 V 5 +85 ...
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... GND 5 5 GND GND; 5 Product specification 74AHC257; 74AHCT257 amb + +125 1.5 1.5 2.1 2.1 3.85 3.85 0.5 0.5 0.9 0.9 1.65 1.65 2.0 1.9 1.9 3.0 2.9 2.9 4.5 4.4 4.4 2.48 2.40 3.8 3.70 0 0.1 0.1 0 0.1 0.1 0 0.1 0.1 0.36 0.44 0.36 0.44 0.1 1.0 0.25 2.5 4 UNIT ...
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... GND O CC per input pin; other inputs GND GND; 5 2.1 V 4 other inputs GND Product specification 74AHC257; 74AHCT257 amb + +125 2.0 2.0 0.8 0.8 4.5 4.4 4.4 3.8 3.70 0 0.1 0.1 0.36 0.44 0.1 1.0 0.25 2.5 4.0 40 1.35 1 UNIT V 0 ...
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... Philips Semiconductors Quad 2-input multiplexer; 3-state AC CHARACTERISTICS Type 74AHC257 GND = 3.0 ns SYMBOL PARAMETER V = 3.0 to 3.6 V; note propagation delay PHL PLH propagation delay 3-state output enable PZH PZL time 3-state output disable ...
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... PHL output V OL (1) ( INPUT OUTPUT 50 1 and common data select input (S) to output (nY) propagation delays Product specification 74AHC257; 74AHCT257 amb + +125 MAX. MIN. MAX. MIN. 3.7 6.5 1.0 8.0 1.0 5.1 9.0 1.0 10.5 1.0 3.9 8.0 1.0 9.0 1.0 4.5 7.5 1 ...
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... Chapter “AC characteristics”). termination resistance should be equal to the output impedance Z T Fig.8 Load circuitry for switching times. 11 Product specification 74AHCT257 t PZL ( PZH 0 outputs outputs enabled disabled MNA450 open GND 1000 C L MNA219 of the pulse generator. o 74AHC257; ...
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... detail 6.2 1.0 0.7 1.05 0.25 0.25 5.8 0.4 0.6 0.244 0.039 0.028 0.041 0.01 0.01 0.228 0.016 0.020 EUROPEAN PROJECTION Product specification 74AHC257; 74AHCT257 SOT109 ( 0.7 0.1 0 0.028 0.004 0.012 ISSUE DATE 97-05-22 99-12-27 ...
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... SOT403-1 2000 Apr 2.5 scale (1) ( 0.30 0.2 5.1 4.5 6.6 0.65 0.19 0.1 4.9 4.3 6.2 REFERENCES JEDEC EIAJ MO-153 13 Product specification 74AHC257; 74AHCT257 detail 0.75 0.4 1.0 0.2 0.13 0.50 0.3 EUROPEAN PROJECTION SOT403 ( 0. ...
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... Contact time must be limited to 10 seconds 300 C. When using a dedicated tool, all other leads can be soldered in one operation within seconds between 270 and 320 C. 14 Product specification 74AHC257; 74AHCT257 ...
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... Wave soldering is only suitable for SSOP and TSSOP packages with a pitch (e) equal to or larger than 0.65 mm definitely not suitable for packages with a pitch (e) equal to or smaller than 0.5 mm. 2000 Apr 03 SOLDERING METHOD WAVE not suitable (2) not suitable suitable (3)(4) not recommended (5) not recommended 15 Product specification 74AHC257; 74AHCT257 (1) REFLOW suitable suitable suitable suitable suitable ...
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... Product specification 74AHC257; 74AHCT257 (1) These products are not Philips Semiconductors ...
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... Philips Semiconductors Quad 2-input multiplexer; 3-state 2000 Apr 03 NOTES 17 Product specification 74AHC257; 74AHCT257 ...
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... Philips Semiconductors Quad 2-input multiplexer; 3-state 2000 Apr 03 NOTES 18 Product specification 74AHC257; 74AHCT257 ...
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... Philips Semiconductors Quad 2-input multiplexer; 3-state 2000 Apr 03 NOTES 19 Product specification 74AHC257; 74AHCT257 ...
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... Tel. +46 8 5985 2000, Fax. +46 8 5985 2745 Switzerland: Allmendstrasse 140, CH-8027 ZÜRICH, Tel. +41 1 488 2741 Fax. +41 1 488 3263 Taiwan: Philips Semiconductors, 6F, No. 96, Chien Kuo N. Rd., Sec. 1, TAIPEI, Taiwan Tel. +886 2 2134 2886, Fax. +886 2 2134 2874 Thailand: PHILIPS ELECTRONICS (THAILAND) Ltd., 209/2 Sanpavuth-Bangna Road Prakanong, BANGKOK 10260, Tel ...