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74AC623P, 74AC640A, 74AC646

Table of contents:
Info of 74AC623P
Info of 74AC640A
Info of 74AC646

74AC623P, 74AC640A, 74AC646 Selling Leads, Datasheet

MFG:TOSHIBA Package Cooled:DIP-20 D/C:09+

74AC623P, 74AC640A, 74AC646 Datasheet download

Five Points

Part Number: 74AC623P

MFG: TOSHIBA

Package Cooled: DIP-20

D/C: 09+

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74AC646 General Description

The AC/ACT646 consist of registered bus transceiver circuits, with outputs, D-type flip-flops and control circuitry providing multiplexed transmission of data directly from the input bus or from the internal storage registers. Data on the A or B bus will be loaded into the respective registers on the LOW-to-HIGH transition of the appropriate clock pin (CPAB or CPBA). The four fundamental data handling functions available are illustrated in Figures 1, 2, 3, and Figure 4.

74AC646 Maximum Ratings

Supply Voltage (V_CC).................. −0.5V to +7.0V
DC Input Diode Current (I_IK)
    V_I = −0.5V ......................................... −20 mA
    V_I = VCC + 0.5V................................. +20 mA
DC Input Voltage (V_I) .........−0.5V to V_CC + 0.5V
DC Output Diode Current (I_OK)
    V_O = −0.5V........................................ −20 mA
    V_O = V_CC + 0.5V +20 mA
DC Output Voltage (V_O) ......−0.5V to V_CC + 0.5V
DC Output Source
    or Sink Current (I_O)............................ ±50 mA
DC V_CC or Ground Current
    per Output Pin (I_CC or I_GND)............... ±50 mA
Storage Temperature (T_STG)... −65°C to +150°C
Junction Temperature (T_J)
    PDIP ......................................................140°C

74AC646 Features

Independent registers for A and B buses
Multiplexed real-time and stored data transfers
3-STATE outputs
300 mil dual-in-line package
Outputs source/sink 24 mA
ACT646 has TTL compatible inputs

74AC646 Connection Diagram

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