DS26502L+ (Maxim) PDF资料下载 Datasheet(51/125 页)

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参数资料

型号：	DS26502L+
厂商：	Maxim Integrated Products
文件页数：	51/125页
文件大小：	0K
描述：	IC T1/E1/J1 64KCC ELEMENT 64LQFP
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：	是
主要目的：	T1/E1
输入：	时钟
输出：	时钟
电路数：	1
比率 - 输入:输出：	2:3
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)

DS26502 T1/E1/J1/64KCC BITS Element

31 of 125

are terminated when

CS is removed. If CS is removed before all 8 bits of the data are read, the remaining

data will be lost. If

CS is removed before all 8 bits of data are written to the part, no write access will

occur and the target register will not be updated.

Note: During a Burst read access, data must be fetched internally to the part as the LSB of the previous

byte is transmitted out. If this pre-fetch read access occurs to a Clear-On-Read register or a FIFO register

address, and the Burst access is terminated without reading this byte out of the port, the data will be lost

and/or the register cleared. Users should not terminate their Burst Read accesses at the address byte

proceeding a Clear-On-Read register or a FIFO register. Data loss could occur due to the internal pre-

fetch operation performed by the interface.

7.2.5 Register Writes

The register write sequence is shown in the functional timing diagrams in Section 18. After a

CS, the bus

master transmits a write control byte containing the R/

W bit, the target register address, and the Burst bit.

These two control bytes will be followed by the data byte to be written. After the first data byte, if the

Burst bit is set, the DS26502 auto-increments its address counter and writes each byte received to the next

higher address location. After writing address FFh, the address counter rolls over to 00h and continues to

auto-increment.

7.2.6 Register Reads

The register read sequence is shown in Section 18. After a

CS, the bus master transmits a read control

byte containing the R/

W bit, the target register address, and the Burst bit. After these two control bytes,

the DS26502 responds with the requested data byte. After the first data byte, if the Burst bit is set, the

DS26502 auto-increments its address counter and transmits the byte stored in the next higher address

location. Note the warning mentioned above as data loss could potentially occur due to the data pre-fetch

that is required to support this mode. After reading address FFh, the address counter rolls over to 00h and

continues to auto-increment.

相关代理商/技术参数	参数描述
DS26502L+	功能描述:计时器和支持产品 E1/T1/J1/64Kcc Bits Element RoHS:否制造商:Micrel 类型:Standard 封装 / 箱体:SOT-23 内部定时器数量:1 电源电压-最大:18 V 电源电压-最小:2.7 V 最大功率耗散: 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装:Reel
DS26502LB1	功能描述:计时器和支持产品 E1/T1/J1/64Kcc Bits Element RoHS:否制造商:Micrel 类型:Standard 封装 / 箱体:SOT-23 内部定时器数量:1 电源电压-最大:18 V 电源电压-最小:2.7 V 最大功率耗散: 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装:Reel
DS26502LN	功能描述:计时器和支持产品 E1/T1/J1/64Kcc Bits Element RoHS:否制造商:Micrel 类型:Standard 封装 / 箱体:SOT-23 内部定时器数量:1 电源电压-最大:18 V 电源电压-最小:2.7 V 最大功率耗散: 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装:Reel
DS26502LN+	功能描述:计时器和支持产品 E1/T1/J1/64Kcc Bits Element RoHS:否制造商:Micrel 类型:Standard 封装 / 箱体:SOT-23 内部定时器数量:1 电源电压-最大:18 V 电源电压-最小:2.7 V 最大功率耗散: 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装:Reel
DS26503	制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:T1/E1/J1/64KCC BITS Element

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