83C51KB - HIGH PERFORMANCE KEYBOARD MICROCONTROLLER
Commercial operating temperature range (0°C to 70°C) with Intel standard burn-in.
Plastic Dual-in-line Package (PDIP) Factory programmed ROM CHMOS MCS 51 Compatible Product Family 128 bytes RAM 4 Kbytes ROM Device Speed no mark 4-6 MHz P1.0/KSI0 P1.1/KSI1 P1.2/KSI2 P1.3/KSI3 P1.4/KSI4 P1.5/KSI5 P1.
83C51KB HIGH PERFORMANCE KEYBOARD MICROCONTROLLER s Direct Drive LED Outputs Four Pins (P3.7:4) 13 mA Typical Current Sink Capability s 20 pF Cap On-chip for RC Resonator Frequency Selectable (4-6 MHz) s 8 Dedicated Key Scan Input (KSI) Pins Schmitt-trigger Inputs External Interrupt Level Detect Interrupt Mode for Automatic Power-down Exit s 16 Dedicated Key Scan Output (KSO) Pins with Quasi-bidirectional Port Drivers No Exter
83C51KB Features
* 1:0 P3.3:2 INT1:0# Alternate Function KSO.15:8 P2.15:8 AD7:0† I/O KSO.7:0 P0.7:0 ALE† O C
