DS21FT40中文资料亚德诺数据手册PDF规格书
DS21FT40规格书详情
DESCRIPTION
The DS21FT40 MCM offers a high density packaging arrangement for the DS21Q44 E1 Enhanced Quad Framer. Three DS21Q44 silicon die are packaged in a Multi-Chip Module (MCM) with the electrical connections as shown in Figure 1-1. The DS21FT40 is closely related to the DS21FT44. Most of the functions of the DS21FT44 are available on the DS21FT40. The differences are listed in Table 1-1. Table 2-1 lists all of the signals on the MCM.
MULTI-CHIP MODULE FEATURES
• Twelve (12) completely independent E1 Framers in one small 27 mm x 27 mm Package
• Each Multi-Chip Module (MCM) Contains Three DS21Q44 Quad E1 Framer Die
• Each Quad Framer can be concatenated into a Single 8.192 MHz Backplane Data Stream
• 300–pin MCM 1.27 mm pitch BGA package (27 mm X 27 mm)
• Low Power 3.3V CMOS with 5V Tolerant Input & Outputs
FRAMER FEATURES
• All framers are fully independent; transmit and receive sections of each framer are fully independent
• Frames to FAS, CAS, CCS, and CRC4 formats
• Each framer contains dual two–frame elastic store slip buffers that can connect to asynchronous backplanes up to 8.192 MHz
• 8–bit parallel control port that can be used directly on either multiplexed or non– multiplexed buses (Intel or Motorola)
• Easy access to Si and Sa bits
• Extracts and inserts CAS signaling
• Large counters for bipolar and code violations, CRC4 code word errors, FAS word errors, and E-bits
• Programmable output clocks for Fractional E1, per channel loopback, H0 and H12 applications
• Integral HDLC controller with 64-byte buffers. Configurable for Sa bits or DS0 operation
• Detects and generates AIS, remote alarm, and remote multiframe alarms
• IEEE 1149.1 support
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
Maxim Integrated |
23+ |
300-PBGA27x27 |
7300 |
专注配单,只做原装进口现货 |
询价 | ||
MAXIM/美信 |
22+ |
N/A |
12245 |
现货,原厂原装假一罚十! |
询价 | ||
24+ |
BGA |
2140 |
全新原装!现货特价供应 |
询价 | |||
MAXIM |
NA |
5650 |
一级代理 原装正品假一罚十价格优势长期供货 |
询价 | |||
DALLAS |
24+ |
BGA |
80000 |
只做自己库存 全新原装进口正品假一赔百 可开13%增 |
询价 | ||
23+ |
BGA |
10000 |
原厂授权一级代理,专业海外优势订货,价格优势、品种 |
询价 | |||
DALLAS |
25+ |
QFP |
1250 |
大量现货库存,提供一站式服务! |
询价 | ||
Maxim Integrated |
23+ |
300-PBGA27x27 |
7300 |
专注配单,只做原装进口现货 |
询价 | ||
MAXIM/美信 |
23+ |
BGA |
50000 |
全新原装正品现货,支持订货 |
询价 | ||
DALLAS |
24+ |
QFP |
125 |
询价 |