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Texas Instruments PCI7621ZHK
- Part No.:
- PCI7621ZHK
- Manufacturer:
- Texas Instruments
- Category:
- Controllers
- Package:
- 288-LFBGA
- Datasheet:
-
PCI7621ZHK.pdf
- Description:
- IC CONTROLLER PCI CARD 288LFBGA
- Quantity:
- Payment:
- Shipping:
Inventory:4,320
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Product details
Overview
PCI7621ZHK from Texas Instruments is a dual-socket UltraMedia PC Card controller integrating IEEE 1394a-2000 OHCI host controller, two-port 1394 PHY/Link-layer, Smart Card interface, and flash media socket controller. It supports 100/200/400 Mbits/s FireWire™ operation, PCI Local Bus Revision 2.3 compliance, and 1.5-V core / 3.3-V I/O logic. It targets mobile computing platforms requiring integrated legacy expansion and high-speed serial I/O.
For engineers reviewing the PCI7621ZHK datasheet, PCI7621ZHK pinout, PCI7621ZHK application, or PCI7621ZHK equivalent, key selection criteria include dual-socket CardBus support, IEEE 1394a-2000 PHY+Link integration, Smart Card controller capability, flash media socket compatibility (SD/MMC/Memory Stick/SmartMedia/XD), and ACPI 2.0–compliant power management for battery-powered systems.
Technical Context
The PCI7621ZHK implements a unified PCI-to-CardBus bridge with ExCA-compatible register mapping in memory or I/O space and Intel 82365SL-DF register compatibility. Its PHY-Link layer performs system initialization, arbitration, fly-by concatenation, and resynchronization of incoming data to local clock domain.
It integrates dedicated hardware for isochronous receive dual-buffering, out-of-order pipelining for asynchronous transmit requests, and programmable multifunction terminals supporting serialized IRQ, SUSPEND, CLKRUN, and LED activity signaling. Power management includes D0–D3 states, automatic port suspend/resume, and ultralow-power sleep mode.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| IEEE 1394 Speed | 100/200/400 Mbits/s - Enables full backward compatibility and high-bandwidth streaming for DV, audio, and storage peripherals. |
| PCI Interface | PCI Local Bus Rev 2.3 compliant - Supports 33 MHz, 32-bit, 5 V or 3.3 V signaling with burst transfers and deep FIFOs. |
| Card Sockets | Dual UltraMedia sockets - Simultaneously hosts two PC Card/Smart Card/flash media devices with hot insertion/removal support. |
| Power Management | ACPI 2.0 & PCI PM Spec 1.1 compliant - Provides D0–D3 states, PME signaling, and automatic device power-down during suspend. |
| Core/I/O Voltage | 1.5-V core / 3.3-V I/O - Reduces dynamic power while maintaining compatibility with standard PCI/CardBus signaling levels. |
| Flash Media Support | SD, MMC, Memory Stick/PRO, SmartMedia, xD - Hardware-accelerated controller eliminates need for external media bridge ICs. |
| Crystal Frequency | 24.576 MHz - Generates precise 1394 link timing without external PLL tuning components. |
Pinout & Package
PCI7621ZHK is housed in a 288-pin MICROSTAR BGA package (ZHK drawing), measuring 15 mm × 15 mm with 0.8-mm pitch. The package supports fine-pitch routing and thermal dissipation suitable for mobile motherboard designs.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| PCI_AD[31:0] | PCI Address/Data Multiplexed Bus | Carries address during setup phase and data during transfer phase; enables 32-bit PCI transactions at 33 MHz. |
| PCI_C/BE[3:0]# | PCI Command/Byte Enable | Defines transaction type (I/O, memory, config) and active byte lanes during data phase. |
| PCI_CLK | PCI Clock Input | Accepts 33-MHz reference clock; drives internal timing for all PCI interface logic and synchronization. |
| PCI_RST# | PCI Reset Input | Asynchronous reset signal that initializes PCI configuration space and internal state machines. |
| CB_VCC_1/2 | CardBus Socket Power Control | Separate 3.3-V power enable outputs for each socket; interface with TPS222x series power switches. |
| TPBIAS_1/2 | 1394 Cable Bias Reference | Dedicated bias voltage per port for 1394 physical layer termination and line condition monitoring. |
| PHY_SCLK | PHY Serial Clock | Provides clock for PHY register access; failure triggers register access fail interrupt. |
| MULTIFUN[7:0] | Programmable Multifunction Terminals | Configurable as GPIO, serial/parallel IRQ, LED drivers, or platform-specific control signals via software registers. |
Key Features
| Feature | Design Value |
|---|---|
| Dual-socket UltraMedia controller | Enables simultaneous use of two PC Card/Smart Card/flash media devices without external arbitration logic. |
| Integrated 1394a-2000 PHY + Link | Eliminates need for discrete PHY and OHCI controller chips, reducing BOM count and PCB area by ~35%. |
| ExCA-compatible register mapping | Allows direct reuse of existing CardBus driver stacks without modification across Windows and Linux platforms. |
| ACPI 2.0–compliant power control | Supports OS-directed suspend/resume and thermal throttling via standardized firmware interfaces. |
| Serial ROM interface | Loads subsystem ID/vendor ID at boot, enabling plug-and-play enumeration without hardcoded BIOS tables. |
Applications
| Notebook Expansion Docking Station | Digital Video Capture Adapter |
|---|---|
Use Scenario: A portable docking station provides CardBus slots for legacy peripherals (modems, network cards) and FireWire ports for external storage and camcorders. IC Role / Device Role / Timing Role: PCI7621ZHK acts as the central bridge between host CPU/PCI bus and dual CardBus sockets plus dual 1394 PHYs, managing arbitration, power sequencing, and isochronous bandwidth allocation. Use Value: Single-chip integration reduces board space by >40% versus discrete bridge + OHCI + PHY solution while maintaining full IEEE 1394a-2000 feature set including multispeed concatenation and port disable. | Use Scenario: An external PCIe-to-CardBus adapter captures uncompressed DV streams from FireWire-enabled camcorders into laptop memory via high-throughput PCI burst transfers. IC Role / Device Role / Timing Role: PCI7621ZHK serves as the FireWire OHCI host controller and CardBus bridge, handling real-time isochronous packet scheduling and DMA coordination with host memory. Use Value: Dual-buffer isochronous receive mode ensures zero-frame-drop capture at 400 Mbits/s; deep FIFOs tolerate up to 128-byte host latency spikes without data loss. |
| Industrial Data Acquisition Module | Legacy Peripheral Integration Board |
Use Scenario: A ruggedized field instrument uses Smart Card interface for secure calibration certificate storage and FireWire for high-speed sensor log upload. IC Role / Device Role / Timing Role: PCI7621ZHK manages concurrent Smart Card authentication, flash media logging (via SD socket), and time-stamped 1394 data streaming to host PC. Use Value: Integrated Smart Card controller with ISO 7816–compliant signaling eliminates need for separate secure element; node power class signaling enables adaptive power budgeting in battery-operated deployments. | Use Scenario: A medical imaging workstation retrofits legacy SCSI or parallel-port peripherals using CardBus adapters while adding FireWire for digital camera connectivity. IC Role / Device Role / Timing Role: PCI7621ZHK functions as PCI-to-CardBus bridge and 1394 host controller, translating legacy peripheral protocols over PCI and synchronizing FireWire isochronous channels with system clock. Use Value: External cycle timer control allows precise synchronization of FireWire frame timestamps with host system clock, critical for multi-sensor correlation in diagnostic applications. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-socket CardBus and IEEE 1394 host controller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| PCI7421ZHK | Single-socket UltraMedia controller; lacks Smart Card interface; identical 1394 PHY/Link and PCI interface. | Suitable only for single-card applications without Smart Card requirements; lower pin count and reduced flash media flexibility. | Select when dual-socket or Smart Card functionality is unnecessary and BOM cost reduction is prioritized. |
| PCI7611ZHK | Single-socket version with Smart Card controller; same 1394a-2000 support and power management features. | Matches PCI7621ZHK's security and media capabilities but cannot drive two concurrent CardBus devices. | Choose for space-constrained designs needing Smart Card + FireWire but not dual-socket expansion. |
Compared with PCI7621ZHK, PCI7421ZHK removes Smart Card support and one socket to reduce complexity and cost, while PCI7611ZHK retains Smart Card capability but halves socket count-both trade expansion density for footprint or BOM efficiency where dual-socket operation is nonessential.
Availability
PCI7621ZHK is available at Aetrix Electronics and suitable for notebook docking stations, digital video capture adapters, industrial data acquisition modules, and legacy peripheral integration boards requiring stable component supply and long-term design continuity.
Supply support for PCI7621ZHK includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Texas Instruments is a global semiconductor company delivering analog, embedded processing, and connectivity solutions for industrial, automotive, and computing markets.
The PCI7621ZHK belongs to TI's UltraMedia controller product line, engineered to consolidate PC Card, Smart Card, IEEE 1394, and flash media interfaces into a single chip for mobile and embedded host platforms.
FAQ
What is the primary function of the PCI7621ZHK?
The PCI7621ZHK is a highly integrated dual-socket UltraMedia controller combining PCI-to-CardBus bridging, IEEE 1394a-2000 OHCI host controller with dual PHY ports, Smart Card interface, and flash media socket controller. It enables legacy expansion and high-speed serial I/O in mobile computing platforms. As a single-chip solution, the PCI7621ZHK replaces multiple discrete controllers while maintaining full compliance with PC Card Standard 8.1, PCI Local Bus Revision 2.3, and IEEE 1394a-2000 specifications.
Does the PCI7621ZHK support both 3.3-V and 5-V PCI environments?
Yes, the PCI7621ZHK features universal PCI interfaces compatible with both 3.3-V and 5-V PCI signaling environments. Its I/O cells are designed for 3.3-V operation, and it meets PCI Local Bus Specification Revision 2.3 requirements for mixed-voltage interoperability. This dual-voltage support allows seamless integration into diverse host platforms without level-shifting circuitry. The PCI7621ZHK maintains full functionality-including burst transfers, deep FIFOs, and interrupt handling-in either signaling environment.
What flash media standards does the PCI7621ZHK natively support?
The PCI7621ZHK natively supports Secure Digital (SD), MultiMediaCard (MMC), Memory Stick/PRO, SmartMedia, and xD Picture Card through its integrated flash media socket controller. Each interface operates with hardware-accelerated command parsing and data path management, eliminating the need for external bridge ICs. The PCI7621ZHK handles protocol-specific timing, voltage switching, and error correction for all supported formats, enabling direct connection of compliant cards to the host system.
How does the PCI7621ZHK manage power in battery-powered applications?
The PCI7621ZHK implements multiple hardware-enforced power-saving mechanisms including automatic device power-down during suspend, PCI power management for link-layer, inactive port power-down, and ultralow-power sleep mode. It complies with Intel Mobile Power Guideline 2000 and ACPI Specification 2.0, enabling OS-directed D0–D3 state transitions. The PCI7621ZHK also monitors cable power presence and supports extended resume signaling for compatibility with legacy DV components, ensuring minimal quiescent current in idle states.
Is the PCI7621ZHK pin-compatible with other members of the PCI76xx/PCI74xx family?
No, the PCI7621ZHK is not pin-compatible with PCI7421ZHK, PCI7611ZHK, or other variants in the family. Although all share the same 288-pin MICROSTAR BGA (ZHK) package, pin assignments differ significantly due to functional variations-such as dual vs. single socket support, Smart Card interface inclusion, and multifunction terminal configuration. Board-level replacement requires layout revision. The PCI7621ZHK's pinout is uniquely defined in TI's SLLA248 datasheet and must be verified against its specific package drawing before integration.
PCI7621ZHK Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 288-LFBGA
- Programmable:
- Not Verified
- Protocol:
- PCI CardBus
- Function:
- Controller
- Interface:
- PCI
- Standards:
- IEEE 1394-1995, 1394a-2000, OHCI, Firewire™, i.Link™
- Voltage - Supply:
- 3.3V, 5V
- Current - Supply:
- -
- Operating Temperature:
- -
- Supplier Device Package:
- 288-NFBGA (16x16)
- Grade:
- -
- Qualification:
- -
PCI7621ZHK FAQ
1.How can I place an order for PCI7621ZHK through Aetrix?
Please submit a Request for Quotation (RFQ) for PCI7621ZHK on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for PCI7621ZHK reliable?
The price and inventory of PCI7621ZHK are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PCI7621ZHK is usually 5 days.
3.What payment methods are accepted for PCI7621ZHK?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PCI7621ZHK transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PCI7621ZHK?
PCI7621ZHK orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PCI7621ZHK order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for PCI7621ZHK?
For technical support, including PCI7621ZHK datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PCI7621ZHK requirements.
6.How does Aetrix verify that PCI7621ZHK is sourced from the original manufacturer or authorized distributors?
All PCI7621ZHK products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that PCI7621ZHK meets industry standards.
7.What is the process for return or replacement of PCI7621ZHK?
All PCI7621ZHK units undergo pre-shipment inspection (PSI). If there is an issue with PCI7621ZHK, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The PCI7621ZHK part is unused and in its original packaging.
Return procedure for PCI7621ZHK:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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