器件名称:
MC74AC646DW
功能描述:
OCTAL TRANSCEIVER/REGISTER WITH 3-STATE OUTPUTS (NON-INVERTING)
文件大小:
82.87KB 共12页
简 介:
MC74AC646, MC74ACT646 Octal Transceiver/Register with 3-State Outputs (Non-inverting) The MC74AC646/74ACT646 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 (CAB or CBA). The four fundamental data handling functions available are illustrated Figures 1 to 4. http://onsemi.com PDIP–24 N SUFFIX CASE 724 24 1 SO–24 DW SUFFIX CASE 751E 1 Independent Registers for A and B Buses Multiplexed Real–Time and Stored Data Transfers Choice of True and Inverting Data Paths 3–State Outputs 300 mil Slim Dual In–Line Package Outputs Source/Sink 24 mA ′ACT646 Has TTL Compatible Inputs REAL TIME TRANSFER ABUS TO BBUS ABUS REG BBUS REG REG BBUS REAL TIME TRANSFER BBUS TO ABUS ABUS REG 24 MARKING DIAGRAMS PDIP–24 MC74AC646N AWLYYWW MC74ACT646N AWLYYWW SO–24 AC646 AWLYYWW Figure 1. Figure 2. STORAGE FROM BUS TO REGISTER ABUS REG BBUS REG TRANSFER FROM REGISTER TO BUS ABUS REG BBUS REG ACT646 AWLYYWW A = Assembly Location L, WL = Wafer Lot Y, YY = Year W, WW = Work Week ORDERING INFORMATION Device MC74AC646N MC74ACT646N MC74AC646DW MC74AC646DWR2 MC74ACT646DW MC74ACT646DWR2 Package PDIP–24 PDIP–24 SOIC–24 SOIC–24 SOIC–24 SOIC–24 Shipping 15 Units/Rail 15 Units/Rail 30 Units/Rail 1000 Tape & Ree……
