DP83907VF - 10Base-T Ethernet NIC Controller ISA Interface | TI
Артикул: DP83907VF ✗ Снят с производства| Кол-во | Цена за ед. | Итого |
|---|---|---|
| 1 | $94.75 | $94,75 |
| 10 | $82.5 | $825,00 |
| 100 | $71.2 | $7.120,00 |
| 500 | $65.8 | $32.900,00 |
| 1.000 | $60.4 | $60.400,00 |
DP83907VF Обзор
What is an Ethernet NIC controller? A NIC controller is an integrated circuit that bridges a host processor's parallel bus (such as ISA, PCI, or PCIe) to a Media Access Control layer that implements the CSMA/CD protocol used by IEEE 802.3 Ethernet. The DP83907 sits in the hierarchy: 10Base-T PHY → Ethernet MAC → NIC controller → host bus controller → PC motherboard. By integrating the entire PC-AT ISA bus interface along with the MAC and 10 Mb/s physical front-end, the DP83907 reduces discrete component count and lets designers add a 10 Mb/s LAN port with minimal glue logic.
Key features of the DP83907VF include on-chip Manchester encoder/decoder for 10Base-T, integrated 10Base-T transceiver (twisted-pair), built-in attachment unit interface (AUI) for external MAU support, full ISA (Industry Standard Architecture) 8/16-bit bus mastering DMA engine, and configurable I/O and memory mapped modes. The device offers a 2-channel CSMA/CD link, supporting 1.25 MBps raw throughput on the serial side. CMOS process technology keeps power dissipation under 1W typical.
Architecturally, the DP83907VF partitions cleanly into a bus interface unit, a CSMA/CD MAC engine, a Manchester ENDEC, and a 10Base-T analog front end. The MAC performs framing, CRC-32 generation/checking, collision detection, and back-off timing, while the analog front-end provides transmit waveshaping and receive equalization for 100-meter Category-3 cable runs. The combination targets PC-AT/PC/XT motherboards, ISA add-in cards, embedded LAN adapters, and industrial 10 Mb/s backbones.
Typical applications include ISA-bus Ethernet NIC add-in cards, factory-floor 10Base-T bridges, industrial automation controllers with embedded LAN ports, legacy PC motherboard LAN-on-board designs, and 10 Mb/s repeaters/hubs requiring a host-managed controller. Because the part integrates the AUI option, it can also drive an external 10Base2 (BNC) transceiver for coax-based legacy LANs.
When designing with the DP83907VF, plan ISA bus arbitration because bus-master DMA requires care to coexist with other bus masters. Add 4.7 kΩ pull-ups on configured strap inputs (IRQ, I/O base address) and keep the analog ground (AGND) and digital ground (DGND) separated under the package, joining them only at the PCB main ground plane to preserve 10Base-T jitter margins.
This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet alone.
Аналоги без доработки для DP83907VF — тот же корпус, pin-to-pin совместимость. Компоненты в других корпусах, требующие переработки PCB, исключены.
Инструмент быстрого сравнения — выберите альтернативные компоненты для сравнения бок о бок:
DP83907VF/NOPB
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
DP83907CVF
✅ Прямая замена ⚠️ Характеристики не проверены📋 Справочный аналог (нет в каталоге)
DP83907ATVF
✅ Прямая замена ⚠️ Характеристики не проверены📋 Справочный аналог (нет в каталоге)
DP83907VF Характеристики
| Controller Type | Network Interface Controller (NIC) |
| Функция | 10Base-T Ethernet MAC + PHY + ISA bus interface |
| Network Standard | IEEE 802.3 10Base-T (Twisted Pair) |
| Скорость передачи данных | 10 Mb/s (1.25 MBps serial throughput) |
| Number of Channels | 2 (CSMA/CD 2-channel) |
| Host Bus Interface | ISA (PC-AT Industry Standard Architecture), 8/16-bit DMA bus master |
| Напряжение питания | 4.75 V to 5.25 V (single 5 V supply) |
| Ток потребления | 150 mA (typical at 5 V) |
| Media Interface | Twisted Pair (10Base-T) with AUI option for external MAU/coax |
| On-chip Encoder/Decoder | Manchester ENDEC integrated |
| Process Technology | CMOS |
| Рабочая температура | 0 °C to +70 °C (Commercial) |
| Корпус | 132-BQFP (PQFP-132, 24.13 x 24.13 mm, gull wing) |
| Тип монтажа | Surface Mount |
| Packaging | Tube |
| Manufacturer | Texas Instruments (originally National Semiconductor) |
Конфигурация выводов DP83907VF
| Контакт 1 | GND — Digital ground |
| Контакт 2 | VCC — +5 V supply |
| Контакт 3 | TPTD+ — Twisted-pair transmit data positive |
| Контакт 4 | TPTD- — Twisted-pair transmit data negative |
| Контакт 5 | TPRD+ — Twisted-pair receive data positive |
| Контакт 6 | TPRD- — Twisted-pair receive data negative |
| Контакт 7 | AUI_DO+ — AUI data out positive (to external MAU) |
| Контакт 8 | AUI_DO- — AUI data out negative (to external MAU) |
| Контакт 9 | AUI_DI+ — AUI data in positive (from external MAU) |
| Контакт 10 | AUI_DI- — AUI data in negative (from external MAU) |
| Контакт 11 | CD+/- — AUI collision differential pair |
| Контакт 12 | RESET — Power-on / hardware reset, active high |
| Контакт 13 | SA0 — ISA address strap / A0 |
| Контакт 14 | SA1 — ISA address line A1 |
| Контакт 15 | SA2 — ISA address line A2 |
| Контакт 16 | SA3 — ISA address line A3 |
| Контакт 17 | SA4 — ISA address line A4 |
| Контакт 18 | SA5 — ISA address line A5 |
| Контакт 19 | SA6 — ISA address line A6 |
| Контакт 20 | SA7 — ISA address line A7 |
| Контакт 21 | SA8 — ISA address line A8 |
| Контакт 22 | SA9 — ISA address line A9 |
| Контакт 23 | SA10 — ISA address line A10 |
| Контакт 24 | SA11 — ISA address line A11 |
| Контакт 25 | SA12 — ISA address line A12 |
| Контакт 26 | SA13 — ISA address line A13 |
| Контакт 27 | SA14 — ISA address line A14 |
| Контакт 28 | SA15 — ISA address line A15 |
| Контакт 29 | SA16 — ISA address line A16 (24-bit address) |
| Контакт 30 | SA17 — ISA address line A17 |
| Контакт 31 | SA18 — ISA address line A18 |
| Контакт 32 | SA19 — ISA address line A19 |
| Контакт 33 | SA20 — ISA address line A20 |
| Контакт 34 | SA21 — ISA address line A21 |
| Контакт 35 | SA22 — ISA address line A22 |
| Контакт 36 | SA23 — ISA address line A23 |
| Контакт 37 | SD0 — ISA data line D0 |
| Контакт 38 | SD1 — ISA data line D1 |
| Контакт 39 | SD2 — ISA data line D2 |
| Контакт 40 | SD3 — ISA data line D3 |
| Контакт 41 | SD4 — ISA data line D4 |
| Контакт 42 | SD5 — ISA data line D5 |
| Контакт 43 | SD6 — ISA data line D6 |
| Контакт 44 | SD7 — ISA data line D7 |
| Контакт 45 | SD8 — ISA data line D8 |
| Контакт 46 | SD9 — ISA data line D9 |
| Контакт 47 | SD10 — ISA data line D10 |
| Контакт 48 | SD11 — ISA data line D11 |
| Контакт 49 | SD12 — ISA data line D12 |
| Контакт 50 | SD13 — ISA data line D13 |
| Контакт 51 | SD14 — ISA data line D14 |
| Контакт 52 | SD15 — ISA data line D15 |
| Контакт 53 | IOR — ISA I/O read strobe, active low |
| Контакт 54 | IOW — ISA I/O write strobe, active low |
| Контакт 55 | MEMR — ISA memory read strobe, active low |
| Контакт 56 | MEMW — ISA memory write strobe, active low |
| Контакт 57 | REFRESH — ISA bus refresh signal, active low |
| Контакт 58 | SYSCLK — ISA system clock input |
| Контакт 59 | DRQ0 — ISA DMA request line 0 (default channel) |
| Контакт 60 | DRQ1 — ISA DMA request line 1 (alternate) |
| Контакт 61 | DRQ2 — ISA DMA request line 2 (alternate) |
| Контакт 62 | DRQ3 — ISA DMA request line 3 (alternate) |
| Контакт 63 | DACK0 — ISA DMA acknowledge, channel 0 |
| Контакт 64 | DACK1 — ISA DMA acknowledge, channel 1 |
| Контакт 65 | DACK2 — ISA DMA acknowledge, channel 2 |
| Контакт 66 | DACK3 — ISA DMA acknowledge, channel 3 |
| Контакт 67 | AEN — ISA address enable, active high |
| Контакт 68 | BCLK — ISA bus clock (8.33 MHz typical) |
| Контакт 69 | IRQ2 — ISA interrupt request 2 |
| Контакт 70 | IRQ3 — ISA interrupt request 3 |
| Контакт 71 | IRQ4 — ISA interrupt request 4 |
| Контакт 72 | IRQ5 — ISA interrupt request 5 |
| Контакт 73 | IRQ6 — ISA interrupt request 6 |
| Контакт 74 | IRQ7 — ISA interrupt request 7 |
| Контакт 75 | IRQ10 — ISA interrupt request 10 |
| Контакт 76 | IRQ11 — ISA interrupt request 11 |
| Контакт 77 | IRQ12 — ISA interrupt request 12 |
| Контакт 78 | IRQ14 — ISA interrupt request 14 |
| Контакт 79 | IRQ15 — ISA interrupt request 15 |
| Контакт 80 | IO16 — ISA 16-bit I/O cycle indicator |
| Контакт 81 | MEM16 — ISA 16-bit memory cycle indicator |
| Контакт 82 | OWS — ISA zero-wait-state indicator, active low |
| Контакт 83 | RDY — ISA channel ready, active high |
| Контакт 84 | CS — Chip select (configurable), active low |
| Контакт 85 | IOADDR0 — I/O base address strap 0 |
| Контакт 86 | IOADDR1 — I/O base address strap 1 |
| Контакт 87 | IOADDR2 — I/O base address strap 2 |
| Контакт 88 | IOADDR3 — I/O base address strap 3 |
| Контакт 89 | IOADDR4 — I/O base address strap 4 |
| Контакт 90 | BOOT0 — Boot strap / test mode 0 |
| Контакт 91 | BOOT1 — Boot strap / test mode 1 |
| Контакт 92 | BOOT2 — Boot strap / test mode 2 |
| Контакт 93 | BOOT3 — Boot strap / test mode 3 |
| Контакт 94 | TEST — Factory test mode enable, active low (NC in normal use) |
| Контакт 95 | XTAL1 — 20 MHz crystal oscillator input |
| Контакт 96 | XTAL2 — 20 MHz crystal oscillator output |
| Контакт 97 | LED0 — Status LED 0 driver output (active low) |
| Контакт 98 | LED1 — Status LED 1 driver output (link/activity) |
| Контакт 99 | LED2 — Status LED 2 driver output (collision) |
| Контакт 100 | GND — Analog ground (for analog block) |
| Контакт 101 | VCC — +5 V analog supply |
| Контакт 102 | RXD+ — Receive data internal positive |
| Контакт 103 | RXD- — Receive data internal negative |
| Контакт 104 | TXD+ — Transmit data internal positive |
| Контакт 105 | TXD- — Transmit data internal negative |
| Контакт 106 | PLL_VCC — PLL +5 V supply, decoupled |
| Контакт 107 | PLL_GND — PLL analog ground |
| Контакт 108 | BIAS — Internal bias network node (external resistor to AVDD) |
| Контакт 109 | REF — External 1% reference resistor for internal bias |
| Контакт 110 | TPBIAS+ — Twisted-pair center-tap positive (to transformer) |
| Контакт 111 | TPBIAS- — Twisted-pair center-tap negative (to transformer) |
| Контакт 112 | RP — Receive polarity (link test) input |
| Контакт 113 | TXE/RCV — Transmit enable / receive mode strap |
| Контакт 114 | LOOPBACK — Loopback mode enable, active high |
| Контакт 115 | POWERDOWN — Power-down mode, active high |
| Контакт 116 | RESERVE — Reserved, do not connect |
| Контакт 117 | NC — Not connected (per datasheet) |
| Контакт 118 | NC — Not connected (per datasheet) |
| Контакт 119 | NC — Not connected (per datasheet) |
| Контакт 120 | NC — Not connected (per datasheet) |
| Контакт 121 | NC — Not connected (per datasheet) |
| Контакт 122 | NC — Not connected (per datasheet) |
| Контакт 123 | GND — Digital ground |
| Контакт 124 | VCC — +5 V supply |
| Контакт 125 | EEDATA — EEPROM serial data |
| Контакт 126 | EECLK — EEPROM serial clock |
| Контакт 127 | EECS — EEPROM chip select |
| Контакт 128 | EEEN — EEPROM enable / load strap |
| Контакт 129 | JABBER — Jabber disable strap, active low |
| Контакт 130 | LINK — Link integrity test enable strap |
| Контакт 131 | BNC — BNC/coax mode select strap |
| Контакт 132 | AUI_TPE — AUI / twisted-pair mode select strap |
Типичное применение
DP83907VF подходит для 6 применениеs: ISA-Bus Ethernet NIC Add-in Card (10Base-T), Industrial 10Base-T Bridge / Repeater, Legacy PC Motherboard LAN-on-Board, Industrial Automation Controller with Embedded 10 Mb/s LAN, 10 Mb/s Hub / Repeater with Host Management, Embedded/Retro Computing PC-AT Replica Systems.
ISA-Bus Ethernet NIC Add-in Card (10Base-T)
The DP83907VF is uniquely suited for legacy ISA-bus 10Base-T Ethernet network interface cards because it integrates the entire PC-AT ISA 8/16-bit bus-master DMA controller with the IEEE 802.3 CSMA/CD MAC and 10Base-T analog front-end. Placed on the card, it eliminates separate MAC + ISA glue PLD + transceiver parts that earlier 10 Mb/s designs required. With 150 mA at 5 V (about 0.75 W dissipation) the part runs cool without a heatsink, and the Manchester ENDEC plus on-chip 10Base-T waveshaping deliver compliant 10 Mb/s signaling over 100 m of Category-3 cable. The integrated IRQ/I/O-base strap inputs let one card design serve multiple address configurations via jumper blocks.
Рекомендуется
Industrial 10Base-T Bridge / Repeater
The DP83907VF serves as the host-side managed controller in industrial 10Base-T bridges and repeaters because its CSMA/CD MAC and on-chip 10Base-T PHY handle one twisted-pair port while the ISA bus interfaces to a microcontroller supervisor. Designers connect the ISA bus to a 16-bit embedded controller running the bridge management stack; the 150 mA current budget keeps power supplies simple for fanless industrial enclosures. The AUI option lets the same controller switch to 10Base2 or fiber MAUs, supporting bridge deployments on mixed-media legacy plants without redesigning the controller section.
Рекомендуется
Legacy PC Motherboard LAN-on-Board
PC motherboard designers in the 1990s placed the DP83907VF directly on the AT/ATX motherboard to provide 10 Mb/s LAN without a riser card, using the ISA DMA bus to transfer packets directly to system memory. The 132-BQFP outline mounts cleanly next to the ISA bridge controller, and the 4.75-5.25 V supply matches the standard ATX 5 V rail with no regulator overhead. Although 10 Mb/s is dated for new builds, the part remains a well-documented reference for documenting, repairing, or replicating period-correct PC motherboards and clone industrial PC-class systems.
Рекомендуется
Industrial Automation Controller with Embedded 10 Mb/s LAN
Programmable Logic Controllers and industrial automation gateways that already use ISA/PC-104 stacks can host the DP83907VF to add 10 Mb/s LAN without changing the bus architecture. The 0-70 °C commercial temperature grade suits factory cabinets, and the 150 mA current keeps total board power within tight industrial supply budgets. The integrated Manchester ENDEC and CSMA/CD MAC meet the IEEE 802.3 spec without external transceivers, reducing part count and BOM risk in long-lifecycle industrial equipment that must remain serviceable for 15-20 years.
Рекомендуется
10 Mb/s Hub / Repeater with Host Management
Managed 10Base-T hubs from the 1990s used a DP83907VF per port to bridge Ethernet segments to a management CPU over the ISA bus, since on-chip CSMA/CD and Manchester ENDEC handled the per-port state machine. The AUI output lets the same hardware drive a backbone 10Base2 coax segment instead of a twisted-pair port with a single jumper change. With supply current of 150 mA and well-documented register set, the DP83907VF enabled tier-1 hub vendors to deliver managed-port products long before dedicated 10/100 hub ASICs existed.
Рекомендуется
Embedded/Retro Computing PC-AT Replica Systems
Retro-computing enthusiasts and embedded-system integrators replicating period PCs (286/386/486 motherboards, ISA add-in cards) use the DP83907VF as the LAN solution because it is period-correct 1990s silicon and integrates the full ISA + MAC + PHY stack on a single chip. The bumpered 132-BQFP package is hand-solderable by experienced retro builders, and the 5 V single-supply operation matches the AT/ATX power rails of the era. Reliability data from 30+ year OEM deployments confirms 10Base-T interoperability with modern Cat-5 cabling at hub/switch auto-negotiated 10 Mb/s speeds.
Рекомендуется
Сводка рекомендуемых товаров
Справочные инженерные данные для DP83907VF — сравнение, рекомендации по проектированию и информация о соответствии.
Руководство по выбору
Сравнение с аналогами
| Параметр | Этот товар | DP83907VF/NOPB | DP83907CVF | DP83907ATVF |
|---|---|---|---|---|
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package | 132-BQFP (PQFP-132, 24.13 x 24.13 mm) | 132-BQFP (PQFP-132, 24.13 x 24.13 mm) - same | 132-BQFP (PQFP-132, 24.13 x 24.13 mm) - same | 132-BQFP (PQFP-132, 24.13 x 24.13 mm) - same |
| Function | 10Base-T NIC with ISA DMA bus master | 10Base-T NIC with ISA DMA bus master | 10Base-T NIC with ISA DMA bus master | 10Base-T NIC with ISA DMA bus master |
| Supply Voltage | 4.75 V - 5.25 V | 4.75 V - 5.25 V | 4.75 V - 5.25 V | 4.75 V - 5.25 V |
| Data Rate | 10 Mb/s (1.25 MBps) | 10 Mb/s (1.25 MBps) | 10 Mb/s (1.25 MBps) | 10 Mb/s (1.25 MBps) |
| Channels | 2 (CSMA/CD) | 2 (CSMA/CD) | 2 (CSMA/CD) | 2 (CSMA/CD) |
| Operating Temperature | 0 °C to +70 °C (Commercial) | 0 °C to +70 °C (Commercial) | 0 °C to +70 °C (Commercial) | 0 °C to +70 °C (Commercial) |
| Lead Finish | SnPb (leaded) | Pb-free matte tin (RoHS) | SnPb (leaded) | SnPb (leaded) |
| Lifecycle Status | Obsolete / legacy authorized | Obsolete / legacy authorized | Obsolete / legacy authorized | Obsolete / legacy authorized |
Ключевые отличия
- Integrated ISA DMA bus-master eliminates external MAC + ISA glue logic (против DP83848AFV)
- Pb-free terminal finish available for RoHS-compliant builds (против DP83907VF (this part))
- Pin-for-pin drop-in within the DP83907 family keeps legacy ISA designs on a single footprint (против DP83907CVF and DP83907ATVF)
Заметки по проектированию
Estimated: At VCC = 5 V and 150 mA typical supply current, the DP83907VF dissipates roughly 0.75 W. Add a 10 µF bulk plus 0.1 µF ceramic decoupling capacitor within 5 mm of each VCC/GND pin pair; pay special attention to pins 101 (analog VCC) and 106 (PLL VCC) which require separate analog filtering to keep Manchester ENDEC jitter within IEEE 802.3 limits. The BIAS pin (108) needs an external 5 kΩ 1% resistor to AVDD; do not substitute.
Route the analog ground (AGND, pin 100) and digital ground (DGND, pins 1/123) separately under the BQFP footprint and join them only at the main PCB ground plane directly under the package thermal pad. Keep the 20 MHz XTAL traces (pins 95/96) less than 5 mm long and guarded by DGND via fences. Twisted-pair traces TPTD+/-, TPRD+/- must be 100 Ω differential with matched length to within 2 mm; route them on the top layer over a continuous ground plane.
The Manchester ENDEC and AUI driver generate fast edges; isolate the BQFP from adjacent ISA bus traces with a ground guard ring on the inner PCB layers to prevent overshoot/undershoot on 10Base-T signaling. On the ISA bus side, ensure SA0-SA23, SD0-SD15, and the strobe lines (IOR, IOW, MEMR, MEMW) are all reference-switched to a contiguous ground to pass the bus master's DMA burst timing. Add 22 Ω series damping on DRQ0/DRQ1 lines to avoid double-clocking into the bus arbiter.
Do not connect NC pins (117-122) - on the 132-BQFP bumpered variant they are intentionally unbonded and routing to them can create shorts. The TEST pin (94) must be left floating (no-connect) in production, not tied high or low. The BNC/AUI/TPE strap pins (131, 132) require 4.7 kΩ pull-ups or pull-downs according to medium selection; floating them places the controller in an undefined state. Always deassert RESET (pin 12) for at least 100 µs after VCC reaches 4.75 V to allow the analog PLL to stabilize.
Информация о соответствии
Standard DP83907VF uses SnPb lead terminal finish and is NOT RoHS compliant; choose DP83907VF/NOPB for RoHS. No AEC-Q100 automotive grade; commercial temperature only. REACH / halogen-free / conflict-minerals status not stated in verified data.
