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Catalog Datasheet	MFG & Type	PDF	Document Tags
SN74LS83 Abstract: SN54LS638 SN54LS639 SN74LS SN74LS638 SN74LS639 LS638 Text: SN54LS638, SN54LS639, 74LS638. SN74LS639 OCTAL BUS TRANSCEIVERS D2636, JANUARY 1981 -REVISED MARCH 1988 Bidirectional Bus Transceivers in HighDensity 20-Pin Packages SN54LS638, SN 54LS639 . . . J PACKAGE S N 74LS638. SN 74LS 639 . . . DW OR N PACKAGE TOP VIEW	OCR Scan	PDF	SN54LS638, SN54LS639, SM74LS638. SN74LS639 d2636, 20-Pin LS638 -LS639 SN74LS83 SN54LS638 SN54LS639 SN74LS SN74LS638 LS638
SN74LS Abstract: SN54LS638 SN54LS639 SN74LS638 SN74LS639 Text: SN54LS638, SN54LS639, 74LS638. SN74LS639 OCTAL BUS TRANSCEIVERS D2636, JANUARY 1981 -REVISED MARCH 1988 Bidirectional Bus Transceivers in HighDensity 20-Pin Packages SN54LS638, SN 54LS639 . . . J PACKAGE S N 74LS638. SN 74LS 639 . . . DW OR N PACKAGE TOP VIEW	OCR Scan	PDF	SN54LS638, SN54LS639, SM74LS638. SN74LS639 d2636, 20-Pin OPERATIO25 SN54LS' SN74LS' SN74LS SN54LS638 SN54LS639 SN74LS638
74LS643 Abstract: 74LS643-1 74ALS643 74245 rca 645 BC 641 74643 84 JRC 74LS639 74LS640 Text: - 278- 74643 VCC DIR Octal 3-State Bus Transceiver C 81 A1 A2 62 A3 83 84 06 66 A4 A5 A6 A7 74LS643-1, 74ALS643-1 l i 74ALS1643-1 l± I o l 24mA 87 88 AS GNO Io l 48mA F U N C T IO N T A B L E CO NTROL OPERATION INPUTS 638 640 639 641 643 m a *'j' x-n tpd	OCR Scan	PDF	74LS643-1, 74ALS643-1 74ALS1643-1 74LS638 74LS639 74LS640 74LS641 74LS643 74LS644 74LS645 74LS643-1 74ALS643 74245 rca 645 BC 641 74643 84 JRC 74LS639
74LS643 Abstract: rca 645 74LS639 74als63 74LS63 74ALS1638-1 74LS641 74LS642 74LS645 LS 273 Text: - Octal O .C ./3-State Bus Transceiver 74638 Vcc C 81 Bt 81 M B! 6t 87 88 o B -> A liO . C. A ^ B l i 3-S tate 0 74ALS638 1 li I 48mA 074ALS1638-1 l ± I 24mA o l o l FUN CTION TABLE CONTROL INPUTS G 273- DIR OPERATION 639 6 41 645 638 640 642 643 U N IS	OCR Scan	PDF	74ALS638 74ALS1638-1 74LS638 74LS639 74LS641 74LS642 74LS643 74LS644 74LS645 rca 645 74LS639 74als63 74LS63 74LS645 LS 273
74ALS1639 Abstract: 74245 rca 645 74245 HC 74LS639 74LS640 74LS641 74LS642 74LS643 74LS645 Text: - 274- 74639 Octal 0. G./3-State Elus Transceiver 1 4 4 '1? I I 8 Iö ! ft f t i ijjt in in in in in m o B—A l± 0 . C. T A -»B l± 3 -State 74ALS639-1 74ALS1639 1 I i 48mA ¡1 I o l 24mA Io l FU N C T IO N TABLE O P E R A T IO N CONTROL 6 3 ‘i 641 645	OCR Scan	PDF	74ALS639-1 74ALS1639 74LS638 74LS639 74LS640 74LS641 74LS642 74LS643 74LS644 74LS645 74245 rca 645 74245 HC 74LS639 74LS641 74LS645
74245 Abstract: rca 645 74ALS642-1 8286 transceiver 74642 74LS643 74LS639 74LS640 74LS641 74LS642 Text: - 74642 211- Octal O. C. Bus Transceiver 1 r ÏÎ f t 0 7 4 L S 6 4 2 -1 , 74A L S 642-1 l± loi. 48mA o 74L S1642-1 l i 24mA Io l F U N C T IO N T A B L E CONTROL O P E R A T IO N 639 641 645 643 G D IR 638 640 642 L L B d a ta to A b u s B d a ta to A b u s	OCR Scan	PDF	074LS642-1, 74ALS642-1 74LS1642-1 74LS638 74LS639 74LS640 74LS641 74LS642 74LS643 74LS644 74245 rca 645 8286 transceiver 74642 74LS643 74LS641
74ALS640 Abstract: 74640 rca 645 74LS639 74LS643 hct 123 e 74LS640 74LS641 74LS642 74LS645 Text: - 74640 275- Octal 3-State Bus Transceiver O74LS640-1, 74ALS640 1 l i O74ALS1640 1 !± I 24mA Io l 48mA ol FU N C TIO N TABLE CO NTROL OPERATION a s tpd tpd tpd IN max nax nax DATA -G -G G DIR 638 640 642 I L 5 data io A bus B data 10 A bus B data to A bu s	OCR Scan	PDF	O74LS640-1, 74ALS640 O74ALS1640 74LS638 74LS639 74LS640 74LS641 74LS642 74LS643 74LS644 74640 rca 645 74LS639 74LS643 hct 123 e 74LS641 74LS645
74LS643 Abstract: rca 645 74641 74245 74LS639 74als641 74LS640 74LS641 74LS641-1 74LS642 Text: — 276 — 74641 y Octal 0 . C . Bus Transceiver 4 fV 7 'ff f Tr J p;p;ö T T f 1 T j^ t ir iiJiA n in ir m in ^ ff 0 74LS641-1, 74ALS641 1 l i I ü l 48mA 074ALS1641-1 t i I o l 24mA FU N C TIO N TA BLE OPERATION CONTROL C* DIR 638 640 642 l 1 L B data to A bus	OCR Scan	PDF	74LS641-1, 74ALS6411 074ALS1641-1 74LS638 74LS639 74LS640 74LS641 74LS642 74LS643 74LS644 74LS643 rca 645 74641 74245 74LS639 74als641 74LS641 74LS641-1
74245 Abstract: 74LS643 74LS639 74ALS644-1 rca 645 74LS638 74245 HC 74LS644 8286 transceiver 74ALS644 Text: - 74644 279- Octal 0 . C. Bus Transceiver VCC G B1 82 83 84 85 66 67 1,8 DIR AI A? A3 A4 A5 A6 A7 *8 GNO 74LS644-1, 74ALS644-1 i 0 74ALS1644-1 24mA l± Io l 48mA Iol m FU N C TIO N TABLE CONTROL O P E R A T IO N G D IR 638 640 642 L L B d a ta t o A b u s	OCR Scan	PDF	74LS644-1, 74ALS644-1 74ALS1644-1 74LS638 74LS639 74LS640 74LS641 74LS642 74LS643 74LS644 74245 74LS643 74LS639 rca 645 74245 HC 74LS644 8286 transceiver 74ALS644
SN7401 Abstract: National Semiconductor 4045 transistor bf 175 74ALS569 74AS1008 SN7449 SN74ALS244A SN54ALS1000A SN74ALS519 SN54ALS27 Text: GENERAL INFORMATION ORDERING INSTRUCTIONS AND MECHANICAL DATA FUNCTIONAL INDEX/SELECTION GUIDE PRODUCT GUIDE ADVANCED LOW-POWER SCHOTTKY AND ADVANCED SCHOTTKY CIRCUITS PROGRAMMABLE LOGIC ARRAYS BETA PRODUCTS EXPLANATION OF NEW LOGIC SYMBOLS CONNECTOR AND KEYBOARD PRODUCTS	OCR Scan	PDF	SN54/74 SN54ALS8003 SN74ALS8003 SN7401 National Semiconductor 4045 transistor bf 175 74ALS569 74AS1008 SN7449 SN74ALS244A SN54ALS1000A SN74ALS519 SN54ALS27
74245 Abstract: 74LS643 74ALS645-1 rca 645 74ALS1645-1 74645 74LS645-1 74LS639 74LS640 74LS641 Text: - 280- 74645 I—f * * i — Octal 3-State Bus Transceiver r * ~ i ~ r ^ ~ i — —r ^~ i— > 0 74LS645-1, 74ALS645-1 i lot. 48mA 74ALS1645-1 (t 24mA Iol F U N C T IO N T A B L E O PERATIO N ms Xt G DIR 638 640 642 L L B data to A bus B data to A bus B data to A bus	OCR Scan	PDF	74LS645-1, 74ALS645-1 74ALS1645-1 74LS638 74LS639 74LS640 74LS641 74LS642 74LS643 74LS644 74245 74LS643 74ALS645-1 rca 645 74ALS1645-1 74645 74LS645-1 74LS639 74LS641