參數(shù)資料
型號(hào): TTRN012G5
英文描述: TTRN012G5 (2.5 Gbits/s) and TTRN012G7 (2.5 Gbits/s and 2.7 Gbits/s) Clock Synthesizer, 16:1 Data Multiplexer
中文描述: TTRN012G5(2.5 Gb /秒)和TTRN012G7(2.5 Gb /秒和2.7 Gb /秒)時(shí)鐘合成器,16:1數(shù)據(jù)復(fù)用器
文件頁(yè)數(shù): 8/22頁(yè)
文件大?。?/td> 394K
代理商: TTRN012G5
TTRN012G5 and TTRN012G7
Clock Synthesizer, 16:1 Data Multiplexer
Preliminary Data Sheet
August 2000
8
Lucent Technologies Inc.
Pin Information
(continued)
Table 3. Pin Descriptions—Reset and Test Signals
* Differential pairs are indicated by P and N suffixes. For nondifferential pins, N at the end of the symbol name designates active-low.
I = input, O = output. I
u
indicates an internal pull-up resistor on this pin.
Table 4. Pin Descriptions—Power and No-Connect Signals
Note:
V
CCA
and V
CCD
have the same dc value, which is represented as V
CC
unless otherwise specified. However,
high-frequency filtering is suggested between the individual supplies.
* Differential pairs are indicated by P and N suffixes. For nondifferential pins, N at the end of the symbol name designates active-low.
I = input, O = output. I
u
indicates an internal pull-up resistor on this pin.
Pin
40
Symbol
*
RESETN
Type
I
u
Level
CMOS
Name/Description
Reset (Active-Low).
Resets all synchronous logic. During a
reset, the true data outputs are in the low state and the barred
data outputs are in the high state.
0 = reset
1 or no connection = normal operation
Test Clock Input.
Buffer is powered down when TESTN = 1.
6
8
10
TSTCKP
TSTCKN
TESTN
I
CML
I
u
CMOS
Test Clock Select (Active-Low).
0 = select test clock
1 or no connection = select internal VCO
Pin
Symbol
*
V
CCA
Type
I
Level
Power
Name/Description
108, 109, 114,
126, 127
2, 3, 5, 7, 9,
12, 20, 24, 29,
34, 35, 48, 51,
54, 63, 70, 80,
90, 104, 107
1, 4, 13, 16,
19, 25, 28, 31,
32, 37—39,
55, 58, 64, 65,
75, 85, 95,
100—103,
117—124, 128
36, 45, 115,
116, 125
Analog Power Supply (3.3 V).
V
CCD
I
Power
Digital Power Supply (3.3 V).
GND
I
Ground
Ground.
NC
No Connection.
Pin 45 has an internal pull-up resistance
of approximately 25 k
. All of these pins must be left open.
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