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參數(shù)資料
| 型號(hào)： | Am7969-125LKC |
| 廠商： | Advanced Micro Devices, Inc. |
| 英文描述： | TAXIchip Integrated Circuits(Transparent Asynchronous Xmitter-Receiver Interface) |
| 中文描述： | TAXIchip集成電路（透明異步Xmitter，接收器接口） |
| 文件頁(yè)數(shù)： | 5/127頁(yè) |
| 文件大?。?/td> | 730K |
| 代理商： | AM7969-125LKC |
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Publication#
07370
Issue Date:
April 1994
Rev.
F
Amendment
/0
Advanced
Micro
Devices
Am7968/Am7969
TAXIchip
TM
Integrated Circuits
(Transparent Asynchronous Xmitter-Receiver Interface)
FINAL
DISTINCTIVE CHARACTERISTICS
I
Parallel TTL bus interface
— Eight Data and four Command Pins
— or nine Data and three Command Pins
— or ten Data and two Command Pins
Transparent synchronous serial link
— +5 V ECL Serial I/O
—
AC or DC coupled
—
NRZI 4B/5B, 5B/6B encoding/decoding
I
Drive coaxial cable or twisted pair directly
I
I
I
Easy interface with fiber optic data links
32–140 Mbps (4–17.5 Mbyte/s) data
throughput
Asynchronous input using STRB/ACK
Automatic MUX/DEMUX of Data and Command
Complete on-chip PLL, Crystal Oscillator
Single +5 V supply operation
28-pin PLCC or DIP or LCC
I
I
I
I
I
GENERAL DESCRIPTION
The Am7968 TAXIchip Transmitter and Am7969
TAXIchip Receiver Chipset is a general-purpose inter-
face for very high-speed (4–17.5 Mbyte/s, 40–175
Mbaud serially) point-to-point communications over co-
axial or fiber-optic media. The TAXIchip set
emulates a
pseudo-parallel register. They load data into one side
and output it on the other, except in this case, the “other”
side is separated by a long serial link.
The speed of a TAXIchip system is adjustable over a
range of frequencies, with parallel bus transfer rates of
4 Mbyte/s at the low end, and up to 17.5 Mbyte/s at the
high end. The flexible bus interface scheme of the
TAXIchip set accepts bytes that are either 8, 9, or
10 bits wide. Byte transfers can be Data or Command
signaling.
BLOCK DIAGRAM
Am7968
Note:
N can be 8, 9, or 10 bits; total of N + M = 12.
07370F-1
Strobe (STRB)
Acknowledge (ACK
Clock (CLK)
Data Mode Select (DMS)
Test Serial In
(TSERIN)
Test/Local Select (TLS)
Strobe &
Acknowledge
Oscillator
and
Clock Gen.
Serial Interface
Shifter
Data Encoder
Encoder Latch
Input Latch
Media
Interface
(SEROUT+) Serial Out +
(SEROUT–) Serial Out –
Data
Command
N
M
X1
X2
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| Am7968-175LKC | TAXIchip Integrated Circuits(Transparent Asynchronous Xmitter-Receiver Interface) |
| Am7969-175LKC | TAXIchip Integrated Circuits(Transparent Asynchronous Xmitter-Receiver Interface) |
| AM7968-125VB3A | TAXIchip Integrated Circuits(Transparent Asynchronous Xmitter-Receiver Interface) |
| AM7969-125VB3A | TAXIchip Integrated Circuits(Transparent Asynchronous Xmitter-Receiver Interface) |
| AM7968-175JC | TAXIchip Integrated Circuits(Transparent Asynchronous Xmitter-Receiver Interface) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AM7969-125LMC | 制造商:AMD 制造商全稱:Advanced Micro Devices 功能描述:TAXIchip Integrated Circuits(Transparent Asynchronous Xmitter-Receiver Interface) |
| AM7969-125PC | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Receiver |
| AM7969-125PCB | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Receiver |
| AM7969-125VB3A | 制造商:AMD 制造商全稱:Advanced Micro Devices 功能描述:TAXIchip Integrated Circuits(Transparent Asynchronous Xmitter-Receiver Interface) |
| AM7969-125VBXA | 制造商:AMD 制造商全稱:Advanced Micro Devices 功能描述:TAXIchip Integrated Circuits(Transparent Asynchronous Xmitter-Receiver Interface) |
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