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參數(shù)資料
| 型號(hào)： | DS2188 |
| 英文描述： | T1/CEPT Jitter Attenuator |
| 中文描述： | T1/CEPT抖動(dòng)抑制器 |
| 文件頁數(shù)： | 5/11頁 |
| 文件大?。?/td> | 149K |
| 代理商： | DS2188 |
DS2188
5 of 11
PIN DESCRIPTION
Table 1
PIN
1
SYMBOL
DJA
TYPE
I
DESCRIPTION
Disable Jitter Attenuation
. When high, jittered data and clock at
RPOS, RNEG, and RCLK are passed directly to RRPOS,
RRNEG, and RRCLK.
Receive Positive Data Input
. Jittered data input. Sampled on the
falling edge of RCLK.
Receive Negative Data Input
. Jittered data input. Sampled on
the falling edge of RCLK.
Receive Clock Input
. Jittered input 1.544 MHz or 2.048 MHz
clock.
Buffer Depth Select
.
0 = 128 bits
1 = 32 bits
Test Input
. In normal applications, this pin should be tied low.
When tied high, used to verify free running frequency of XTAL.
Crystal Frequency Output
. Buffered output of the 4X crystal connected
to XTAL1 and XTAL2.
Ground
. 0.0 volts.
Crystal Connections
. In T1 environments, connect a 6.176 MHz
crystal to these pins. In CEPT environments, connect a 8.192 MHz
crystal to these pins.
Buffer Limit
. Transitions high when the buffer fills or empties to
within either 4 bits (BDS=0) or 2 bits (BDS=1) of its capacity. Indicates
that the jitter at RCLK is greater than 120 UIpp (BDS=0) or
28 UIpp (BDS=1).
Reset
. Negative-edge triggered; a high-low transition will recenter
the buffer. Activation of this pin may corrupt data through the
DS2188.
Receive Reference Clock
. Dejittered 1.544 MHz or 2.048 MHz
clock.
Receive Reference Negative Data Output
. Dejittered data output.
Updated on the rising edge of RRCLK.
Receive Reference Positive Data Output
. Dejittered data output.
Updated on the rising edge of RRCLK.
Positive Supply
. 5.0 volts.
2
RPOS
I
3
RNEG
I
4
RCLK
I
5
BDS
I
6
TEST
I
7
XTAL OUT
O
8
9
V
SS
-
I
10
XTAL1
XTAL2
O
11
BL
O
12
RST
I
13
RRCLK
O
14
RRNEG
O
15
RRPOS
O
16
V
DD
-
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS2188+ | 功能描述:通信集成電路 - 若干 RoHS:否 制造商:Maxim Integrated 類型:Transport Devices 封裝 / 箱體:TECSBGA-256 數(shù)據(jù)速率:100 Mbps 電源電壓-最大:1.89 V, 3.465 V 電源電壓-最小:1.71 V, 3.135 V 電源電流:50 mA, 225 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Tube |
| DS2188N | 功能描述:通信集成電路 - 若干 RoHS:否 制造商:Maxim Integrated 類型:Transport Devices 封裝 / 箱體:TECSBGA-256 數(shù)據(jù)速率:100 Mbps 電源電壓-最大:1.89 V, 3.465 V 電源電壓-最小:1.71 V, 3.135 V 電源電流:50 mA, 225 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Tube |
| DS2188S | 功能描述:通信集成電路 - 若干 RoHS:否 制造商:Maxim Integrated 類型:Transport Devices 封裝 / 箱體:TECSBGA-256 數(shù)據(jù)速率:100 Mbps 電源電壓-最大:1.89 V, 3.465 V 電源電壓-最小:1.71 V, 3.135 V 電源電流:50 mA, 225 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Tube |
| DS2188S/T&R | 功能描述:通信集成電路 - 若干 RoHS:否 制造商:Maxim Integrated 類型:Transport Devices 封裝 / 箱體:TECSBGA-256 數(shù)據(jù)速率:100 Mbps 電源電壓-最大:1.89 V, 3.465 V 電源電壓-最小:1.71 V, 3.135 V 電源電流:50 mA, 225 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Tube |
| DS2188S+ | 功能描述:通信集成電路 - 若干 RoHS:否 制造商:Maxim Integrated 類型:Transport Devices 封裝 / 箱體:TECSBGA-256 數(shù)據(jù)速率:100 Mbps 電源電壓-最大:1.89 V, 3.465 V 電源電壓-最小:1.71 V, 3.135 V 電源電流:50 mA, 225 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Tube |
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