EF6821P Peripheral Interface Adapter IC ST Microelectronics
Some images are stock photos close Manufacturer: ST Microelectronics Part Number: EF6821P Package: Dip Number Leads/Terminals: 40	Price: $5.00 Shipping Weight: 0.21 ounces 168 available for immediate delivery Product code: IC635PF01
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Item Specifications and Additional Information: Peripheral Interface Adapters (PIA) ICs N-Channel Silicon-Gate Depletion Load Features: - 8-Bit Bidirectional Data Bus for Communication with the MPU - 2 Bidirectional 8-Bit Buses for Interface to Peripherals - 2 Programmable Control Registers - 2 Programmable Data Direction Registers - 4 Individually Controlled Interrupt Input Lines (2 Usable as Peripheral Control Outputs) - Handshake Control Logic for Input and Output Peripheral Operation - High Impedance 3-State and Direct Transistor Drive Peripheral Lines - Program Controlled Interrupt and Interrupt Disable Capability - CMOS Drive Capability on Side A Peripheral Lines - TTL Compatible - Static Operation DC Electrical Characteristics (VCC=5V ± 5%, VSS=0, TA=TL to TH unless otherwise noted): BUS CONTROL INPUTS Input High Votage: VSS+2.0V to VCC Input Low Voltage: VSS-0.3V to VSS+0.8V Input Leakage Current (VIN=0 to 5.25V): 1.0uA typ. Capacitance (VIN=0, TA=25°C, f=1.0MHz): 7.5pF max. INTERRUPT OUTPUTS: Output Low Voltage (Iload=1.6mA): VSS+0.4V max. Hi-Z Output Leakage Current: 1.0uA typ. Capacitance (VIN=0, TA=25°C, f=1.0MHz): 5.0pF max. DATA BUS: Input High Votage: VSS+2.0V to VCC Input Low Voltage: VSS-0.3V to VSS+0.8V Hi-Z Output Leakage Current (VIN=0.4 to 2.4V): 2.0uA typ. Output High Voltage (Iload=-205uA): VSS+2.4V min. Output Low Voltage (Iload=1.6mA): VSS+0.4V max. Capacitance (VIN=0, TA=25°C, f=1.0MHz): 12.5pF max. POWER REQUIREMENTS: Internal Power Dissipation (Measured @ TL = 0°C): 550mW max. Manufactured by: ST Microelectronics Part Number: EF6821P Full Datasheet: EF6821P

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