PCI1250A Selling Leads, Price trend, PCI1250A DataSheet download, circuit diagram from SeekIC.com

SpecificationsSupply voltage range, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0.5 V to 4.6 V Supply voltage range, VCCP, VCCA, VCCB, VCCZ, VCCI . . . . . . . . . . . . . . . . . . .0.5 V to 6 VInput voltage range, VI: PCI . . . . . . . . . . . . . . . . . . . ....

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SeekIC No. : 004456563 Detail

PCI1250A: SpecificationsSupply voltage range, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0.5 V to 4.6 V Supply voltage range, VCCP, VCCA, VCCB, VCCZ, VCCI . . . . . . . . ....

PCI1250A Data Sheet

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Part Number:: PCI1250A
Supply Ability:: 5000

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Specifications

Supply voltage range, V_CC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0.5 V to 4.6 V
Supply voltage range, V_CCP, V_CCA, V_CCB, V_CCZ, V_CCI . . . . . . . . . . . . . . . . . . . 0.5 V to 6 V
Input voltage range, V_I: PCI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0.5 V to V_CCP + 0.5 V
                                      Card A . . . . . . . . . . . . . . . . . . .. . . . . . . . . . .0.5 to V_CCA + 0.5 V
                                      Card B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.5 to V_CCB + 0.5 V
                                      ZV . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0.5 to V_CCZ + 0.5 V
                                      MISC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0.5 to V_CCI + 0.5 V
                                      Fail safe . . . . . . . . . . . . . . . . . . . . . . . . . . . ..0.5 V to V_CC + 0.5 V
Output voltage range, VO: PCI . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0.5 V to V_CCP+ 0.5 V
                                      Card A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  0.5 to V_CCA + 0.5 V
                                      Card B . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . 0.5 to V_CCB + 0.5 V
                                      ZV . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . 0.5 to V_CCZ + 0.5 V
                                      MISC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.5 to V_CCI + 0.5 V
                                      Fail safe . . . . . . . . . . . . . . . . . . . . . . . .. . . . . .0.5 V to V_CC + 0.5 V
Input clamp current, I_IK (V_I< 0 or V_I > V_CC) (see Note 1) . . . . . . . . . . . . . . . . . . . . .±20 mA
Output clamp current, I_OK (V_O < 0 or V_O > V_CC) (see Note 2) . . . . . . . . . . . . . . . . . . ±20 mA
Storage temperature range, T_stg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65°C to 150°C
Virtual junction temperature, T_J . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150°C

Description

The TI PCI1250A is a high-performance PC Card controller with a 32-bit PCI interface. The device supports two independent PC Card sockets compliant with the 1995 PC Card Standard. The PCI1250A provides a rich feature set that makes it the best choice for bridging between PCI and PC Cards in both notebook and desktop computers. The 1995 PC Card Standard retains the 16-bit PC Card specification defined in PCMCIA Release 2.1, and defines the new 32-bit PC Card, CardBus, capable of full 32-bit data transfers at 33 MHz. The PCI1250A supports any combination of 16-bit and CardBus PC Cards in the two sockets, powered at 5 V or 3.3 V, as required.

The PCI1250A is compliant with the latest PCI Bus Power Management Specification. It is also compliant with the PCI Local Bus Specification 2.1, and its PCI interface can act as either a PCI master device or a PCI slave device. The PCI bus mastering is initiated during 16-bit PC Card direct memory access (DMA) transfers or CardBus PC Card bridging transactions.

Multiple system-interrupt signaling options are provided and they include:
Parallel PCI interrupts
Parallel ISA interrupts
Serialized ISA interrupts
Serialized ISA and PCI interrupts

Additionally, general-purpose inputs and outputs are provided for the board designer to implement sideband functions.

All card signals are internally buffered to allow hot insertion and removal without external buffering. The PCI1250A is register compatible with the Intel 82365SL-DF ExCA controller. The PCI1250A internal data path logic allows the host to access 8-, 16-, and 32-bit cards using full 32-bit PCI cycles for maximum performance. Independent buffering and a pipeline architecture provide an unsurpassed performance level with sustained bursting. The PCI1250A can also be programmed to accept fast posted writes to improve system-bus utilization.

The PCI1250A provides an internally buffered zoom video (ZV) path. This reduces the design effort of PC board manufacturers to add a ZV-compatible solution and guarantees compliance with the CardBus loading specifications. Many other features are designed into the PCI1250A, such as socket activity light-emitting diode (LED) outputs, and are discussed in detail throughout the design specification.

An advanced complementary metal-oxide semiconductor (CMOS) process is used to achieve low system-power consumption while operating at PCI clock rates up to 33 MHz. Several low-power modes enable the host power management system to further reduce power consumption.

Unused PCI1250A inputs must be pulled up using a 43 k resistor.

PCI1250A

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