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93LC56A-I/STG

更新时间: 2024-02-15 22:19:59
品牌 Logo 应用领域
美国微芯 - MICROCHIP 可编程只读存储器电动程控只读存储器电可擦编程只读存储器
页数 文件大小 规格书
22页 102K
描述
256 X 8 MICROWIRE BUS SERIAL EEPROM, PDSO8, 4.40 MM, ROHS COMPLIANT, PLASTIC, TSSOP-8

93LC56A-I/STG 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Not Recommended零件包装代码:SOIC
包装说明:0.150 INCH, PLASTIC, SOIC-8针数:8
Reach Compliance Code:compliant风险等级:5.17
Is Samacsys:N其他特性:100K ERASE/WRITE CYCLES MIN; DATA RETENTION > 40 YEARS
备用内存宽度:8最大时钟频率 (fCLK):2 MHz
数据保留时间-最小值:200耐久性:10000000 Write/Erase Cycles
JESD-30 代码:R-PDSO-G8JESD-609代码:e3
长度:4.9 mm内存密度:2048 bit
内存集成电路类型:EEPROM内存宽度:16
湿度敏感等级:1功能数量:1
端子数量:8字数:128 words
字数代码:128工作模式:SYNCHRONOUS
最高工作温度:85 °C最低工作温度:-40 °C
组织:128X16输出特性:3-STATE
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装等效代码:SOP8,.25封装形状:RECTANGULAR
封装形式:SMALL OUTLINE并行/串行:SERIAL
峰值回流温度(摄氏度):260电源:3/5 V
认证状态:Not Qualified座面最大高度:1.75 mm
串行总线类型:MICROWIRE最大待机电流:0.00003 A
子类别:EEPROMs最大压摆率:0.003 mA
最大供电电压 (Vsup):5.5 V最小供电电压 (Vsup):2.5 V
标称供电电压 (Vsup):3 V表面贴装:YES
技术:CMOS温度等级:INDUSTRIAL
端子面层:Matte Tin (Sn)端子形式:GULL WING
端子节距:1.27 mm端子位置:DUAL
处于峰值回流温度下的最长时间:40宽度:3.9 mm
最长写入周期时间 (tWC):10 ms写保护:SOFTWARE
Base Number Matches:1

93LC56A-I/STG 数据手册

 浏览型号93LC56A-I/STG的Datasheet PDF文件第1页浏览型号93LC56A-I/STG的Datasheet PDF文件第3页浏览型号93LC56A-I/STG的Datasheet PDF文件第4页浏览型号93LC56A-I/STG的Datasheet PDF文件第5页浏览型号93LC56A-I/STG的Datasheet PDF文件第6页浏览型号93LC56A-I/STG的Datasheet PDF文件第7页 
Using the 93LC56 and 93LC66  
16c5x/7x Cross-Assembler V4.12 Released Mon Jun 06 10:49:10 1994 Page 1  
Line  
PC  
Opcode  
0001  
0002  
0003  
0004  
0005  
0006  
0007  
0008  
0009  
0010  
0011  
0012  
0013  
0014  
0015  
0016  
0017  
0018  
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0020  
0021  
0022  
0023  
0024  
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0039  
0040  
0041  
0042  
0043  
0044  
0045  
0046  
0047  
0048  
0049  
0050  
0051  
LIST P=16C54,c=132  
;****************************************************************  
;
;
;
;
;
;
;
;
;
;
;
;
;
;
;
;
;
;
;
;
;
;
;
;
;
;
;
;
;
;
;
;
;
;
;
3-Wire Byte Read Program (80 bytes)  
This program demonstrates how to interface a  
Microchip PIC16C54 to a 93LC56 or 93LC66 Serial EE  
device. This program will read 8 consecutive addresses  
in the ‘random read’ mode. This means that the opcode  
and address for each byte will be sent to the device.  
This program will repeat forever.  
Another, more efficient method of reading consecutive  
addresses is called the ‘sequential read’ mode. This  
involves sending the opcode and address for the first  
byte to read, then continuing to provide clocks for the  
next addresses. The device will automatically increment  
the address. An example of the sequential read mode is  
provided in the ‘3wseqr.asm’ file.  
This program communicates to the serial EE in the  
x16 mode, and ASSUMES THE USER HAS SET THE ORG PIN  
ON THE DEVICE TO Vcc.  
Timing is based on using the PIC16C54 in ‘XT’ mode  
using a 4Mhz crystal. Clock speeds to the serial EE  
will be approximately 50 kHz for this setup.  
PIC16C54 to Serial EE Connections:  
PIC16C54  
——————  
Serial EE  
——————  
Pin 10 (RB4) —> Chip Select  
Pin 11 (RB5) —> Clock  
Pin 12 (RB6) —> Data In  
Pin 13 (RB7) —> Data Out  
ORG = Vcc  
;************************************************************  
Register Assignments  
;************************************************************  
;
0003 status equ  
0005 port_a equ  
0006 port_b equ  
000A eeprom equ  
3h  
5h  
6h  
; status register  
; port 5 (port_a)  
; port 6 (port b) comm lines to serial EE  
; bit buffer  
; address register  
; stored data input reg.  
; stored data output reg.  
; transmit buffer  
; bits transmitted so far  
; bits to transmit  
0ah  
0ch  
0dh  
0eh  
10h  
11h  
12h  
13h  
000C addr  
000D datai  
000E datao  
0010 txbuf  
0011 count  
0012 bits  
equ  
equ  
equ  
equ  
equ  
equ  
0013 bytcnt equ  
; byte counter for read routine  
16c5x/7x Cross-Assembler V4.12 Released Mon Jun 06 10:49:10 1994 Page 2  
Line  
PC  
Opcode  
0052  
0053  
0054  
0055  
0056  
0057  
0058  
0059  
0060  
0015 loops  
0016 loops2 equ  
0017 hbyte  
0018 lbyte  
equ  
15h  
16h  
17h  
18h  
; delay loop counter  
; delay loop counter  
; high byte for input data  
; low byte for input data  
equ  
equ  
;************************************************************  
Bit Assignments  
;************************************************************  
;
0007 di  
0006 do  
equ  
equ  
7
6
; eeprom input  
; eeprom output  
DS00560D-page 2  
© 1994 Microchip Technology Inc.  
8-100  

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