L29C521PC22 - LOGIC Devices Incorporated

L29C521PC22 4 x 8-bit Multilevel Pipeline Register

The L29C520 and L29C521 are pinfor-pin compatible with the IDT29FCT520/IDT29FCT521 and AMD Am29520/Am29521, implemented in low power CMOS. The L29C520 and L29C521 contain four registers which can be configured as two independent, 2-level pipelines or as one 4-level pipeline. The Instruction pins, I1-0, control the loading of the registers. For either device,.

Features

u Four 8-bit Registers u Implements Double 2-Stage Pipeline or Single 4-Stage Pipeline Register u Hold, Shift, and Load Instructions u Separate Data In and Data Out Pins u High-Speed, Low Power CMOS Technology u Three-State Outputs u Replaces IDT29FCT520/IDT29FCT521 and AMD Am29520/Am29521 u Package Styles Available:
• 24-pin PDIP
• 28-pin PLCC, J-Lead TABLE 1. L29C520 INSTRUCTION TABLE I1 L L H H I0 L H L H Description D©R1 HOLD D©R1 R1©R2 HOLD R1©R2 R2©R3 D©R3 HOLD R3©R4 R3©R4 HOLD ALL REGISTERS ON HOLD TABLE 2. L29C521 INSTRUCTION TABLE I1 L L H I0 L H L H Description D©R1 HOLD D©R1 R1©R.