参数资料
型号: DS26503L+
厂商: Maxim Integrated Products
文件页数: 63/122页
文件大小: 0K
描述: IC T1/E1/J1 BITS ELEMENT 64-LQFP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 160
类型: BITS 元件,多路复用器
PLL:
主要目的: T1/E1
输入: 时钟
输出: 时钟
电路数: 1
比率 - 输入:输出: 2:2
差分 - 输入:输出: 无/无
频率 - 最大: 6.312MHz
电源电压: 3.135 V ~ 3.465 V
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 64-LQFP
供应商设备封装: 64-LQFP(10x10)
包装: 托盘
产品目录页面: 1430 (CN2011-ZH PDF)
DS26503 T1/E1/J1 BITS Element
45 of 122
Table 8-1. T1 Alarm Criteria
ALARM
SET CRITERIA
CLEAR CRITERIA
Blue Alarm (AIS) (Note 1)
Over a 3ms window, five or
fewer zeros are received
Over a 3ms window, six or more zeros
are received
Yellow Alarm (RAI)
D4 Bit-2 Mode (T1RCR2.0 = 0)
D4 12th F-bit Mode (T1RCR2.0
= 1; this mode is also referred to
as the “Japanese Yellow Alarm”)
ESF Mode
Bit 2 of 256 consecutive
channels is set to zero for at
least 254 occurrences
12th framing bit is set to one
for two consecutive
occurrences
16 consecutive patterns of
00FF appear in the FDL
Bit 2 of 256 consecutive channels is
set to zero for less than 254
occurrences
12th framing bit is set to zero for two
consecutive occurrences
14 or fewer patterns of 00FF hex out of
16 possible appear in the FDL
Red Alarm (RLOS) (Also
referred to as Loss Of Signal)
192 consecutive zeros are
received
14 or more ones out of 112 possible bit
positions are received, starting with the
first one received
Note: The definition of Blue Alarm (or Alarm Indication Signal) is an unframed, all-ones signal. Blue Alarm detectors should be able to
operate properly in the presence of a 10E-3 error rate, and they should not falsely trigger on a framed, all-ones signal. The Blue Alarm
criteria in the DS26503 has been set to achieve this performance.
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