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IDT39C11B

IDT
Part Number IDT39C11B
Manufacturer IDT
Description 4-Bit CMOS Microprocessor Sequencer
Published May 25, 2018
Detailed Description FEATURES: • Low-power CMOS -Commercial - 45mA (max.) -Military - 55mA (max.) • Fast -A versions meet standard speeds -8 ...
Datasheet PDF File IDT39C11B PDF File

IDT39C11B
IDT39C11B

Overview
FEATURES: • Low-power CMOS -Commercial - 45mA (max.
) -Military - 55mA (max.
) • Fast -A versions meet standard speeds -8 versions are 20% speed upgrades • 9-Deep stack -Accommodates nested loops and subroutines • Cascadable -Infinitely expandable in 4-bit increments • Available in 28-pin DIP/LCC (IDT39C09) and 20-pin DIP/LCC (IDT39C11) • Pin-compatible, functional enhancement for all versions of the 2909/2911 • Military product available 100% screened to MIL-STD-883, Class 8 The IDT39C09/11 devices are high-speed, 4-bit address sequencers intended for controlling the sequence of microinstructions located in the microprogram memory.
They are fully cascadable and can be expanded to any increment of 4 bits.
The IDT39C09s can select an address from any four sources: 1) external direct inputs (D); 2) external data from the R inputs, stored in an internal register; 3) a 9-word deep push-pop stack; or 4) a program counter register.
Also included in the stack are additional contr...


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