# Z8440BB1

**Manufacturer:** STMicroelectronics  
**MPN:** `Z8440BB1`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | STMicroelectronics |
| Manufacturer name | STMicroelectronics |
| Manufacturer | STMicroelectronics |
| moq | 1 |
| MPN | Z8440BB1 |
| multiple | 1 |
| qtyInStock | 0 |
| SKU | Z8440BB1 |
| tierMinQty1 | 1 |
| Additional Feature | MODEM CONTROL I/OS USABLE AS GENERAL PURPOSE I/OS |
| Address Bus Width | 1 |
| Boundary Scan | NO |
| Bus Compatibility | Z80 |
| Clock Frequency-Max | 6 MHz |
| Communication Protocol | ASYNC, BIT; SYNC, BYTE; SYNC, HDLC; SYNC, SDLC; X.25; BISYNC; EXT SYNC |
| Data Encoding/Decoding Method | NRZ |
| External Data Bus Width | 8 |
| JESD-30 Code | R-PDIP-T40 |
| JESD-609 Code | e0 |
| Keywords | 2 CHANNEL(S), SERIAL COMM CONTROLLER, PDIP40, PLASTIC, DIP-40 |
| Low Power Mode | NO |
| Manufacturer Part Number | Z8440BB1 |
| Number of DMA Channels | 0 |
| Number of I/O Lines | 0 |
| Number of Serial I/Os | 2 |
| Number of Terminals | 40 |
| On Chip Data RAM Width | 0 |
| Operating Temperature-Max | 70 ?C |
| Operating Temperature-Min | 0 ?C |
| Package Body Material | PLASTIC/EPOXY |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| iodParts | Z8440BB1 |  |  | None | 1 |

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Structured data: `/python/html6/product/500/156000000/156011500/part_--Z8440BB1---STMicroelectronics--fdd0fec3fc.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp