DS2431
1024-Bit, 1-Wire EEPROM
FROM FIGURE 7a
55h
COPY SCRATCHPAD?
Y
BUS MASTER Tx
N
APPLICABLE TO ALL R/W
MEMORY LOCATIONS.
F0h
READ MEMORY?
Y
BUS MASTER Tx
N
TA1 (T[7:0]), TA2 (T[15:8])
AND E/S BYTE
TA1 (T[7:0]), TA2 (T[15:8])
AUTH. CODE
MATCH?
N
Y
T[15:0] < 0090h?
N
Y
ADDRESS < 90h?
N
Y
DS2431 SETS MEMORY
ADDRESS = (T[15:0])
N
PF = 0?
DS2431
BUS MASTER Rx
Y
Y
COPY PROTECTED?
INCREMENTS
ADDRESS
COUNTER
DATA BYTE FROM
MEMORY ADDRESS
N
AA = 1
MASTER Tx RESET?
N
Y
BUS MASTER
Rx "1"s
DS2431 COPIES
Y
ADDRESS < 8Fh?
N
MASTER Tx RESET?
DURATION: t PROG
SCRATCHPAD
DATA TO ADDRESS
*
N
Y
BUS MASTER
Rx "1"s
DS2431 Tx "0"
BUS MASTER
Rx "1"s
N
MASTER Tx RESET?
Y
MASTER Tx RESET?
Y
N
Y
MASTER Tx RESET?
N
DS2431 Tx "1"
MASTER Tx RESET?
N
TO FIGURE 7a
Y
* 1-Wire IDLE HIGH FOR POWER.
Figure 7b. Memory Function Flowchart (continued)
Maxim Integrated
11
相关PDF资料
DS2433X-S#T IC EEPROM 4KBIT 6FCHIP
DS2433X-Z01 IC EEPROM 4KBIT 6FCHIP
DS24B33G+T&R IC EEPROM 4KBIT 2SFN
DS2502-E64+ IC OTP 1KBIT TO92-3
DS2502P-E48+T&R IC OTP 1KBIT 6TSOC
DS2502S+ IC OTP 1KBIT 8SOIC
DS2505+T&R IC OTP 16KBIT TO92-3
DS25LV02R+T&R IC OTP 1KBIT SOT23-5
相关代理商/技术参数
DS2431G-W0V+2T 制造商:Maxim Integrated Products 功能描述:1024-BIT 1-WIRE EEPROM - Tape and Reel
DS2431G-W0V+3T 制造商:Maxim Integrated Products 功能描述:1024-BIT 1-WIRE EEPROM - Tape and Reel
DS2431G-W0V-2T 制造商:Maxim Integrated Products 功能描述:
DS2431G-W0V-3T 制造商:Maxim Integrated Products 功能描述:
DS2431P 功能描述:电可擦除可编程只读存储器 RoHS:否 制造商:Atmel 存储容量:2 Kbit 组织:256 B x 8 数据保留:100 yr 最大时钟频率:1000 KHz 最大工作电流:6 uA 工作电源电压:1.7 V to 5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8
DS2431P R 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:1024-Bit, 1-Wire EEPROM
DS2431P T 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:1024-Bit, 1-Wire EEPROM
DS2431P/R 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:1024-Bit 1-Wire EEPROM