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參數(shù)資料
| 型號(hào)： | TRCV012G7 |
| 元件分類： | 運(yùn)動(dòng)控制電子 |
| 英文描述： | TRCV012G5 (2.5 Gbits/s) and TRCV012G7 (2.5 Gbits/s and 2.7 Gbits/s) Limiting Amplifier, Clock Recovery, 1:16 Data Demultiplexer |
| 中文描述： | TRCV012G5（2.5 Gb /秒）和TRCV012G7（2.5 Gb /秒和2.7 Gb /秒）限幅放大器，時(shí)鐘恢復(fù)，1:16數(shù)據(jù)復(fù)用器 |
| 文件頁(yè)數(shù)： | 6/28頁(yè) |
| 文件大?。?/td> | 500K |
| 代理商： | TRCV012G7 |
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TRCV012G5 and TRCV012G7
Limiting Amplifier, Clock Recovery, 1:16 Data Demultiplexer
Preliminary Data Sheet
August 2000
6
Lucent Technologies Inc.
Pin Information
(continued)
Table 1. Pin Descriptions—2.5 Gbits/s and Related Signals
(continued)
* Differential pins are indicated by the P and N suffixes. For nondifferential pins, N at the end of the symbol name designates active-low.
I = input, O = output. I
u
= an internal pull-up resistor on this pin, I
d
= an internal pull-down resistor on this pin, I
t
= an internal termination resis-
tance of 50
on this pin.
Pin
43
44
124
Symbol
*
DATCKP
DATCKN
ENDATCKN
Type
I
t
Level
CML
Name/Description
Clock Input for DATAP/N.
Buffer is powered down when
ENDATCKN = 1.
External DATCKP/N Clock Select (Active-Low).
Selects
external DATCKP/N clock to demultiplexer.
0 = select DATCKP/N
1 or no connection = select VCO clock
Data Input for CML.
Use this input for system loopback
data when LAINP/N is used.
Enable DATAP/N Inputs (Active-Low).
Selects DATAP/N
as data source rather than limiting amplifier output.
0 = select DATAP/N
1 or no connection = select LAINP/N
Adjustable Sampling Circuit Reference Resistor.
Connect a 2.1 k
resistor to V
CCA
.
Adjustable Sampling Time Control Inputs.
AST[4:0]
allows introduction of an offset into the sampling time. The
most significant bit (A4) is the sign bit and bits A[3:0]
represent the magnitude. (See the Decision Circuit—
Adjustable Sampling Time (ASTREF, AST[4:0]) section,
page 15.)
I
u
CMOS
46
47
125
DATAP
DATAN
ENDATAN
I
t
CML
I
u
CMOS
37
ASTREF
I
Analog
2
3
4
5
6
AST4
AST3
AST2
AST1
AST0
I
d
CMOS
A4 is the polarity bit as follows:
1 = advance
0 = delay sampling point
AST[3:0] provides adjustments in steps (increments or
decrements) of 6.25 ps in the sampling instant.
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