Z8937120PSC

Overview

The Z8937120PSC is a fixed-point digital signal processor (DSP) belonging to the Z893x1 series, manufactured by Zilog. It features a 20 MHz maximum clock frequency and utilizes an 8 kB One-Time Programmable (OTP) memory for program storage alongside 1 kB of data RAM. The device operates on a 5 V supply voltage with a 16-bit data bus width. Designed for through-hole installation, it is housed in a 40-pin Dual In-line Package (PDIP). The component supports an operating temperature range from 0°C to +70°C.

Feature Summary

• Fixed-point DSP architecture with 20 MHz processing speed
• 8 kB OTP program memory and 1 kB data RAM
• 16-bit data bus width with 5 V operation
• 40-pin PDIP package for through-hole mounting

Applications

• Digital signal processing tasks requiring fixed-point arithmetic
• Embedded control systems within the Z893x1 family ecosystem
• Industrial applications compatible with commercial temperature ranges

Procurement Notes

Verify the specific suffix 'P' indicating the PDIP-40 package against design requirements. Confirm RoHS compliance status via official documentation as historical records may vary. Check current production lifecycle status, as older Zilog components often face obsolescence. Ensure ESD handling protocols are followed due to potential moisture sensitivity classifications found in similar series devices.

Selection Notes

Select this model when a 16-bit DSP interface is required with through-hole assembly constraints. Compare against the Z8937120ASG for surface-mount PLCC alternatives or the Z8937120VSG for other package options within the same electrical specification. Ensure the 8 kB OTP capacity meets firmware size limitations without needing external memory expansion.

Part Context

This component is part of the Z893x1 DSP family, which integrates digital signal processing capabilities with microcontroller-like features. The Z8937120 variant specifically denotes the 20 MHz speed grade and 8 kB memory configuration. It shares architectural similarities with other Zilog embedded processors but is distinct in its dedicated DSP instruction set and 16-bit data path.

Replacement Considerations

Direct pin-compatible replacements include the Z8937120ASG (PLCC-44, requires adapter) and Z8937120VSG (PLCC-44, requires adapter). No identical PDIP-40 replacement is confirmed in public databases. Verify electrical compatibility before substituting with newer generation Zilog MCUs.