參數(shù)資料
型號: AM42DL6404G
英文描述: 64 Mbit (8 M x 8-Bit/4 M x 16-Bit) CMOS and 4 Mbit (256 K x 16-Bit) Static RAM (Preliminary)
中文描述: 64兆位(8米× 8位/ 4米× 16位)CMOS和4兆位(256畝× 16位),靜態(tài)存儲器(初步)
文件頁數(shù): 20/60頁
文件大?。?/td> 956K
代理商: AM42DL6404G
March 4, 2002
Am42DL16x2D
19
P R E L I M I N A R Y
Note: The term “sector” in the figure applies to both sectors and sector blocks.
Figure 2.
In-System Sector/Sector Block Protect and Unprotect Algorithms
Sector Protect:
Write 60h to sector
address with
A6 = 0, A1 = 1,
A0 = 0
Set up sector
address
Wait 150 μs
Verify Sector
Protect: Write 40h
to sector address
with A6 = 0,
A1 = 1, A0 = 0
Read from
sector address
with A6 = 0,
A1 = 1, A0 = 0
START
PLSCNT = 1
RESET# = V
ID
Wait 1
μ
s
First Write
Cycle = 60h
Data = 01h
Remove V
from RESET#
Write reset
command
Sector Protect
complete
Yes
Yes
No
PLSCNT
= 25
Yes
Device failed
Increment
PLSCNT
Temporary Sector
Unprotect Mode
No
Sector Unprotect:
Write 60h to sector
address with
A6 = 1, A1 = 1,
A0 = 0
Set up first sector
address
Wait 15 ms
Verify Sector
Unprotect: Write
40h to sector
address with
A6 = 1, A1 = 1,
A0 = 0
Read from
sector address
with A6 = 1,
A1 = 1, A0 = 0
START
PLSCNT = 1
RESET# = V
ID
Wait 1
μ
s
Data = 00h
Last sector
verified
Remove V
from RESET#
Write reset
command
Sector Unprotect
complete
Yes
No
PLSCNT
= 1000
Yes
Device failed
Increment
PLSCNT
Temporary Sector
Unprotect Mode
No
All sectors
protected
Yes
Protect all sectors:
The indicated portion
of the sector protect
algorithm must be
performed for all
unprotected sectors
prior to issuing the
first sector
unprotect address
Set up
next sector
address
No
Yes
No
Yes
No
No
Yes
No
Sector Protect
Algorithm
Sector Unprotect
Algorithm
First Write
Cycle = 60h
Protect another
sector
Reset
PLSCNT = 1
相關(guān)PDF資料
PDF描述
AM42DL640AG 200NS, CERDIP, 883C; LEV B COMPLIANT(EEPROM)
AM42DL640AH 200NS, TSOP, IND TEMP(EEPROM)
AM42SERIES GaAs MMIC VSAT Power Amplifier, 2W, 5.9-6.4 GHz
AM42-0040 GaAs MMIC VSAT Power Amplifier, 2W 5.9 - 6.4 GHz
AM4457F3C_05 1.5mm SIDE LOOK INFRA-RED EMITTING DIODE
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AM42DL6404G70I 制造商:Spansion 功能描述:COMBO 4MX16/8MX8 FLASH + 256KX16 SRAM 3V/3.3V 73FBGA - Trays
AM42DL6404G70IS 制造商:SPANSION 制造商全稱:SPANSION 功能描述:Stacked Multi-Chip Package (MCP) Flash Memory and SRAM
AM42DL6404G70IT 制造商:AMD 制造商全稱:Advanced Micro Devices 功能描述:64 Megabit (8 M x 8-Bit/4 M x 16-Bit) CMOS 3.0 Volt-only, Simultaneous Operation Flash Memory and 4 Mbit (256 K x 16-Bit) Static RAM
AM42DL6404G85IS 制造商:AMD 制造商全稱:Advanced Micro Devices 功能描述:64 Megabit (8 M x 8-Bit/4 M x 16-Bit) CMOS 3.0 Volt-only, Simultaneous Operation Flash Memory and 4 Mbit (256 K x 16-Bit) Static RAM
AM42DL6404G85IT 制造商:AMD 制造商全稱:Advanced Micro Devices 功能描述:64 Megabit (8 M x 8-Bit/4 M x 16-Bit) CMOS 3.0 Volt-only, Simultaneous Operation Flash Memory and 4 Mbit (256 K x 16-Bit) Static RAM