UPD98405中文资料PDF规格书
UPD98405规格书详情
DESCRIPTION
The µPD98405 (NEASCOT-S20TM) is a high-performance SAR chip that performs segmentation and reassembly of ATM cells. It has a PCI bus interface, a SONET/SDH 155-Mbps framer, and a clock recovery circuit and supports an ABR function in hardware. The µPD98405 conforms to ATM Forum and has the functions of the AAL-5 SAR sublayer, ATM layer, and TC sublayer.
FEATURES
• Conforms to ATM Forum.
• Host bus interface supporting PCI bus/generic bus.
- PCI interface (5/3.3 V, 32/64 bits, 33 MHz): Conforms to PCI Specification 2.1
- Generic bus interface (5/3.3 V, 32 bits, 33 MHz)
• AAL-5 SAR sublayer, ATM layer, and TC sublayer functions
• Hardware support of AAL-5 processing
• Software support of non-AAL-5 traffic
• SONET STS-3c/SDH STM-1 155-Mbps framer function
• Clock recovery/clock synthesizer function
• Supports up to 32 K virtual channels (VCs)
• Sixteen traffic shapers for VBR for transmission scheduling
• Hardware support of CBR/VBR/ABR/UBR service
• Supports multi-cell burst transfer for transmission and reception
• MIB counter function
• Supports LAN emulation function
• Receive FIFO of 96 cells
• External PHY devices connectable: UTOPIA Level-1 interface
• 0.35-µm CMOS process, +5-/3.3-V power supply
- Bus interface +5 V: +5-/3.3-V power supply
- Bus interface +3.3 V: +3.3-V power supply
• 304-pin plastic QFP
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
NEC |
23+ |
QFP |
19526 |
询价 | |||
NEC |
2001 |
QFP |
19 |
原装现货海量库存欢迎咨询 |
询价 | ||
RENESAS |
2022+ |
NA |
6000 |
一级代理/分销渠道价格优势 十年芯程一路只做原装正品 |
询价 | ||
NEC |
23+ |
QFP/304 |
7000 |
绝对全新原装!100%保质量特价!请放心订购! |
询价 | ||
NEC |
QFP258 |
13500 |
16余年资质 绝对原盒原盘 更多数量 |
询价 | |||
NEC |
22+ |
QFP |
2700 |
全新原装自家现货优势! |
询价 | ||
NEC |
QFP304 |
396379 |
集团化配单-有更多数量-免费送样-原包装正品现货-正规 |
询价 | |||
NEC |
2122+ |
QFP |
66000 |
全新原装正品,价格美丽,优势渠道 |
询价 | ||
NEC |
QFP |
19 |
询价 | ||||
只做原装 |
21+ |
QFP |
36520 |
一级代理/放心采购 |
询价 |