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PI7C9X7954AFDE +BOM
UART Interface IC X1 PCIE-UART 4 Channel Bridge - Product Description
128-LQFP (14x14)-
Manufacturer:
Diodes Incorporated
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Mfr.Part #:
PI7C9X7954AFDE
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Datasheet:
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Supply Voltage - Max:
1.8 V, 3.3 V
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Supply Voltage - Min:
1.8 V, 3.3 V
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Minimum Operating Temperature:
- 40 C
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Maximum Operating Temperature:
+ 85 C
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EDA/CAD Models:
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Availability: 7072 PCS
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PI7C9X7954AFDE General Description
The connectivity options of this bridge are equally impressive, offering eight downstream PCI channels and one upstream PCIe x1 interface. Additionally, its support for up to 4GB of memory space per device for DMA transfers enhances data transfer efficiency and speed. With the PI7C9X7954AFDE, designers can create robust and sophisticated systems that meet the demands of modern computing environments
Key Features
- All three ports compliant with the PCI Local Bus Specification, Revision 2.1
- Compliant with PCI-to-PCI Bridge Architecture Specification, Revision 1.0
- 32-Bit Primary and two Secondary Ports
- Circular-Delta Bus Architecture
- Concurrent primary to secondary bus operation and independent intra-secondary port channel to reduce traffic on the primary port
- Provides arbitration for two sets of 8 secondary bus masters
- ― Programmable 2-level priority arbiters
- ― Disable control for use of external arbiter
- Support PCI transactions for:
- ― All I/O and memory commands
- ― Type 1 to Type 0 configuration conversion (downstream only)
- ― Type 1 to Type 1 configuration forwarding
- ― Type 1 to special cycle configuration conversion
- Supports posted memory write buffers in all directions
- Implements delayed transactions for all PCI configuration, I/O and memory read commands
- Supports positive medium decoding
- Enhanced address decoding
- ― 32-Bit I/O address range
- ― 32-Bit memory-mapped I/O address range
- ― VGA addressing and VGA palette snooping
- ― ISA-aware mode for legacy support in the first 64KB of I/O address range
- IEEE 1149.1 JTAG interface support
- Full scan support
- 3.3V core logic with 5V tolerant 3.3V PCI signaling interface
- 256-pin plastic PBGA package (NA256)
- Supports system transaction ordering rules
- Hot-Plug "Ready"
- Product Benefits
- Triple port PCI-to-PCI Bridge increases the number of PCI slots that can be supported in a system.
- Single PI7C7100 device instead of two PCI-to-PCI Bridge devices conserves board real estate and provides one less device load on the primary bus.
- Concurrent and intra-secondary bus communication increases overall system performance by reducing bus traffic on the primary bus. Devices on secondary busses can independently communicate while the primary bus is busy.
- Integrated two-level programmable arbiter support for up to 8 devices on each secondary bus maximizes master device control. The internal arbiter can be bypassed with an external arbiter for custom applications.
- Synchronous clock operation on the primary and secondary busses
- Enhanced PCI bridge performance and efficiency through support for delayed transactions.
Specifications
Product Category | UART Interface IC | Supply Voltage - Max | 1.8 V, 3.3 V |
Supply Voltage - Min | 1.8 V, 3.3 V | Minimum Operating Temperature | - 40 C |
Maximum Operating Temperature | + 85 C | Interface Type | PCIe, UART |
Operating Supply Voltage | 1.8 V, 3.3 V | Product | PCIe UARTs |
Product Type | UART Interface IC | Factory Pack Quantity | 90 |
Subcategory | Interface ICs | Type | UART |
Programmabe | Not Verified | Protocol | PCI |
Function | Bridge, PCI to UART | Interface | UART |
Voltage - Supply | 1.8V, 3.3V | Operating Temperature | -40°C ~ 85°C |
Base Product Number | 7C9X7954 |
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In Stock: 7,072
Minimum Order: 1
Qty. | Unit Price | Ext. Price |
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1+ | - | - |
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