Part A
ADSP-21992YBC
Analog Equipment GmbH.
- Lifecycle
- Active
- Stock
- 8845 PCS
- Series
- Embarqué - DSP (processeur de signal numérique)
Replacement verdict
Not a drop-in replacement
The ADSP-BF607KBCZ-5 and ADSP-21992YBC are not drop-in replacements for one another. They differ in processor architecture, core clock speed, package footprint, and peripheral interface set, so a direct board-level substitution is not feasible without redesign.
Different processor architecture
Different core clock speed
Different package footprint
Different peripheral interface set
Parts at a glance
Part B
ADSP-BF607KBCZ-5
Analog Equipment GmbH.
- Lifecycle
- Active
- Stock
- 3916 PCS
- Package
- BGA-349
- Series
- Embarqué - DSP (processeur de signal numérique)
Key differences
Rows are prioritized by design impact. Highlighted values require attention during substitution.
Key electrical and mechanical differences between the two devices
| Parameter | ADSP-BF607KBCZ-5 | ADSP-21992YBC | Why it matters |
|---|---|---|---|
| Family / Core Architecture | Blackfin (dual-core Blackfin, 16/32-bit fixed-point DSP) | ADSP-2199x (single-core 16-bit fixed-point DSP) | Core architecture determines instruction set, toolchain, and code compatibility; different families are not binary- or source-compatible. |
| Maximum Core Clock Frequency | 500 MHz | 160 MHz | Clock speed directly bounds achievable MIPS and real-time processing headroom for DSP algorithms. |
| Number of Cores | 2 | 1 | Dual-core devices can split control and signal-processing tasks, affecting throughput and software partitioning. |
| On-chip Program/Data RAM | Up to 256 KB L2 SRAM (per core) plus L1 | Up to 128 KB on-chip SRAM | On-chip memory capacity affects whether algorithms and buffers fit without external memory, impacting cost and latency. |
| Package | 256-ball CSP-BGA | 196-ball CSP-BGA | Package footprint and ballout determine PCB layout compatibility and cannot be swapped without board redesign. |
| Supply Voltage (Core) | 1.0 V to 1.15 V (VDD_INT) | 1.8 V (VDD_INT) | Core supply voltage differences require different power delivery designs and are not electrically interchangeable. |
| Operating Temperature Range | 0°C to +70°C (commercial) | -40°C to +85°C (industrial) | Temperature grade determines suitability for industrial versus commercial environments and affects reliability margins. |
| External Memory Interface | DDR2 / LPDDR / DDR (16-bit) plus async memory | External SRAM / async memory interface | Memory interface type constrains maximum external memory bandwidth and the choice of companion memory devices. |
| Serial Ports / Peripherals | Multiple SPORTs, SPI, TWI, UART, CAN, USB, Ethernet MAC | SPORTs, SPI, UART, CAN, PWM, ADC | Peripheral set determines which system interfaces can be supported natively, affecting required glue logic and board complexity. |
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Full specification comparison
Use manufacturer datasheets as the final authority.
| Specification | ADSP-21992YBC | ADSP-BF607KBCZ-5 |
|---|---|---|
| Series | ADSP-21xx | Blackfin® |
| Part Status | Obsolete | Active |
| Type | Fixed Point | Dual Core |
| Interface | SPI, SSP | CAN, EBI/EMI, Ethernet, I²C, SPI, SPORT, UART/USART, USB OTG |
| Clock Rate | 150MHz | 500MHz |
| Non - Volatile Memory | External | ROM (64kB) |
| On - Chip RAM | 128kB | 808K x 8 |
| Voltage - I / O | 3.30V | 1.8V, 3.3V |
| Voltage - Core | 2.50V | 1.25V |
| Operating Temperature | -40°C ~ 125°C (TA) | 0°C ~ 70°C (TA) |
| Mounting Type | Surface Mount | Surface Mount |
| Base Product Number | ADSP-2199 | - |
Frequently asked questions
What are the key architectural differences between the ADSP-BF607KBCZ-5 and the ADSP-21992YBC?
The ADSP-BF607KBCZ-5 is a Blackfin dual-core processor with two 500 MHz cores, 256 KB L2 SRAM, and integrated peripherals such as Ethernet MAC, USB 2.0 HS, and CAN. The ADSP-21992YBC is a single-core 16-bit fixed-point DSP from the ADSP-2199x family, running at up to 160 MHz with on-chip flash memory and a different peripheral set. They belong to different DSP families and are not architecturally interchangeable.
Are the ADSP-BF607KBCZ-5 and ADSP-21992YBC pin-compatible or package-compatible?
No. The ADSP-BF607KBCZ-5 is supplied in a 256-ball CSP_BGA package, while the ADSP-21992YBC is supplied in a 196-ball CSP_BGA package. The ball counts, ball maps, and package dimensions differ, so they cannot be used as drop-in replacements on the same PCB footprint.
Can the ADSP-BF607KBCZ-5 directly replace the ADSP-21992YBC in an existing design?
No. Beyond package and pin differences, the two devices use different instruction set architectures, memory maps, clocking schemes, and peripheral register sets. Firmware, boot sequences, and board-level support circuitry would require redesign and revalidation against the respective Analog Devices datasheets.
How do the core clock speeds and processing capabilities compare?
The ADSP-BF607KBCZ-5 operates with two Blackfin cores at 500 MHz each, providing high throughput for convergent signal processing and control tasks. The ADSP-21992YBC is a single-core 16-bit fixed-point DSP with a maximum core clock of 160 MHz. The BF607 offers substantially higher aggregate processing capability, while the ADSP-21992 targets lower-complexity fixed-point DSP applications.
What memory resources does each device provide?
The ADSP-BF607KBCZ-5 integrates 256 KB of L2 SRAM plus per-core L1 memory and supports external memory interfaces such as DDR2. The ADSP-21992YBC includes on-chip flash program memory and on-chip SRAM for data and program storage, with external memory expansion capability. Exact memory sizes should be confirmed in the respective Analog Devices datasheets.
Which integrated peripherals distinguish the ADSP-BF607KBCZ-5 from the ADSP-21992YBC?
The ADSP-BF607KBCZ-5 integrates high-speed connectivity including Ethernet MAC, USB 2.0 high-speed, CAN, and multiple serial ports, suited to networked embedded systems. The ADSP-21992YBC provides a different peripheral mix oriented toward motor control and industrial signal processing, including PWM and ADC interface features. Designers should verify the specific peripheral set in each datasheet for their application.
Are both devices currently available from authorized distributors?
Availability should be confirmed against current listings at authorized distributors such as DigiKey, Mouser, or TTI, and against Analog Devices product lifecycle status. The ADSP-BF607KBCZ-5 and ADSP-21992YBC belong to different product generations, so lifecycle status and lead times may differ and must be verified before design commitment.