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74ALS652-1 Dataheets PDF



Part Number 74ALS652-1
Manufacturers NXP
Logo NXP
Description Transceiver/register
Datasheet 74ALS652-1 Datasheet74ALS652-1 Datasheet (PDF)

INTEGRATED CIRCUITS 74ALS651/74ALS651–1 74ALS652/74ALS652–1 Transceiver/register Product specification IC05 Data Handbook 1991 Feb 08 Philips Semiconductors Philips Semiconductors Product specification Transceiver/register 74ALS651/651-1 74ALS652/652-1 FEATURES 74ALS651/74ALS651-1 74ALS652/74ALS652-1 Octal transceiver/register, inverting (3-State) Octal transceiver/register, non-inverting (3-State) TYPE 74ALS651/74ALS651-1 74ALS652/74ALS652-1 TYPICAL fMAX 140MHz 140MHz TYPICAL SUPPLY CURR.

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INTEGRATED CIRCUITS 74ALS651/74ALS651–1 74ALS652/74ALS652–1 Transceiver/register Product specification IC05 Data Handbook 1991 Feb 08 Philips Semiconductors Philips Semiconductors Product specification Transceiver/register 74ALS651/651-1 74ALS652/652-1 FEATURES 74ALS651/74ALS651-1 74ALS652/74ALS652-1 Octal transceiver/register, inverting (3-State) Octal transceiver/register, non-inverting (3-State) TYPE 74ALS651/74ALS651-1 74ALS652/74ALS652-1 TYPICAL fMAX 140MHz 140MHz TYPICAL SUPPLY CURRENT (TOTAL) 40mA 46mA • Independent registers for A and B buses • Multiplexed real-time and stored data • Choice of non-inverting and inverting data paths • 3-State outputs • The -1 versions sinks 48mA IOL within the ±5% VCC range DESCRIPTION The 74LAS651 and 74ALS652 transceivers/registers consist of bus transceiver circuits with 3-State outputs, D-type flip-flops, and control circuitry arranged for multiplexed transmission of data directly from the input bus or the internal registers. Data on the A or B bus will be clocked into the registers as the appropriate clock pin goes High. Output enable (OEAB, OEBA) and select (SAB, SBA) pins are provided for bus management. The 74LAS651-1 and 74ALS652-1 will sink 48mA if the VCC is limited to 5.0V ± 0.25V. ORDERING INFORMATION ORDER CODE DESCRIPTION COMMERCIAL RANGE VCC = 5V ±10%, Tamb = 0°C to +70°C 74ALS651N, 74ALS651-1N, 74ALS652N, 74ALS652-1N 74ALS651D, 74ALS651-1D, 74ALS652D, 74ALS652-1D DRAWING NUMBER 24-pin plastic DIP 24-pin plastic SOL SOT222-1 SOT137-1 INPUT AND OUTPUT LOADING AND FAN-OUT TABLE PINS A0 – A7 B0 – B7 CPAB CPBA SAB SBA OEAB OEBA A0 – A7, B0 – B7 A0 – A7, B0 – B7 A inputs B inputs A-to-B clock input B-to-A clock input A-to-B select input B-to-A select input A-to-B output enable input B-to-A output enable input A, B outputs A, B outputs (-1 version) DESCRIPTION 74ALS (U.L.) HIGH/LOW 1.0/1.0 1.0/1.0 1.0/1.0 1.0/1.0 1.0/1.0 1.0/1.0 1.0/1.0 1.0/1.0 750/240 750/480 LOAD VALUE HIGH/LOW 70µA/0.1mA 70µA/0.1mA 20µA/0.1mA 20µA/0.1mA 20µA/0.1mA 20µA/0.1mA 20µA/0.1mA 20µA/0.1mA 15mA/24mA 15mA/48mA NOTE: One (1.0) ALS unit load is defined as: 20µA in the High state and 0.1mA in the Low state. 1991 Feb 08 2 853–1407 01670 Philips Semiconductors Product specification Transceiver/register 74ALS651/74ALS651-1 74ALS652/74ALS652-1 PIN CONFIGURATION – 74ALS651/651-1 CPAB SAB OEAB A0 A1 A2 A3 A4 A5 1 2 3 4 5 6 7 8 9 24 VCC 23 CPBA 22 SBA 21 OEBA 20 B0 19 B1 18 B2 17 B3 16 B4 15 B5 14 B6 13 B7 PIN CONFIGURATION – 74ALS652/652-1 CPAB SAB OEAB A0 A1 A2 A3 A4 A5 1 2 3 4 5 6 7 8 9 24 VCC 23 CPBA 22 SBA 21 OEBA 20 B0 19 B1 18 B2 17 B3 16 B4 15 B5 14 B6 13 B7 A6 10 A7 11 GND 12 A6 10 A7 11 GND 12 SC00127 SC00128 LOGIC SYMBOL – 74ALS651/651-1 4 5 6 7 8 9 10 11 LOGIC SYMBOL – 74ALS652/652-1 4 5 6 7 8 9 10 11 A0 A1 A2 A3 A4 A5 A6 A7 1 2 3 23 22 21 CPAB SAB OEAB CPBA SBA OEBA B0 B1 B2 B3 B4 B5 B6 B7 1 2 3 23 22 21 A0 A1 A2 A3 A4 A5 A6 A7 CPAB SAB OEAB CPBA SBA OEBA B0 B1 B2 B3 B4 B5 B6 B7 VCC = Pin 24 GND = Pin 12 20 19 18 17 16 15 14 13 SC00129 VCC = Pin 24 GND = Pin 12 20 19 18 17 16 15 14 13 SC00130 IEC/IEEE SYMBOL – 74ALS651/651-1 21 3 23 22 1 2 EN1 [AB] G3 G5 C6 G7 1 1 6D 5 6 7 8 9 10 11 1 7 7 5 5 1 1 2 19 18 17 16 15 14 13 4D 20 EN1 [BA] IEC/IEEE SYMBOL – 74ALS652/652-1 21 3 23 22 1 2 EN1 [AB] G3 G5 C6 G7 1 1 6D 5 6 7 8 9 10 11 1 7 7 5 5 1 1 2 19 18 17 16 15 14 13 4D 20 EN1 [BA] 4 4 SC00131 SC00132 1991 Feb 08 3 Philips Semiconductors Product specification Transceiver/register 74ALS651/74ALS651-1 74ALS652/74ALS652-1 BUS MANAGEMENT FUNCTIONS The following examples demonstrate the four fundamental bus-management functions that can be performed with the 74ALS651/74ALS651-1 and 74ALS652/74ALS652-1. The select pins determine whether data is stored or transferred through the device in real time. The output enable pins determine the direction of the data flow. STORAGE FROM A, B, OR A AND B REAL TIME BUS TRANSFER BUS B TO BUS A REAL TIME BUS TRANSFER BUS A TO BUS B TRANSFER STORED DATA TO A AND/OR B BUS A BUS B BUS A BUS B BUS A BUS B BUS A BUS B OEABOEBA CPAB CPBA SAB SBA L L X X X L OEABOEBA CPAB CPBA SAB SBA H H X X L X OEABOEBA CPAB CPBA SAB SBA X L L X X X ↑ X ↑ X ↑ ↑ X X X X X X OEABOEBA CPAB CPBA SAB SBA H L H or L H or L H H SC00133 1991 Feb 08 4 Philips Semiconductors Product specification Transceiver/register 74ALS651/74ALS651-1 74ALS652/74ALS652-1 LOGIC DIAGRAM – 74ALS651/651-1 OEBA OEAB CPBA SBA SPAB SAB 21 3 23 22 1 2 LOGIC DIAGRAM – 74ALS652/652-1 OEBA OEAB CPBA SBA SPAB SAB 21 3 23 22 1 2 1 OF 8 CHANNELS 1D C1 1 OF 8 CHANNELS 1D C1 4 A0 1D C1 20 B0 4 A0 1D C1 20 B0 VCC = Pin 24 GND = Pin 12 TO 7 OTHER CHANNELS SC00134 VCC = Pin 24 GND = Pin 12 TO 7 OTHER CHANNELS SC00135 FUNCTION TABLE INPUTS OEAB L L X H L L L L H H H H OEBA H H H H X L L L H H L L CPAB H or L ↑ ↑ ↑ H or L ↑ X X X H or L H or L H or L CPBA H or L ↑ H or L ↑ ↑ ↑ X H or L X X H or L H or L SAB X X X L X X X X .


74ALS652 74ALS652-1 74ALS74A


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