参数资料
型号: SST39SF020A-70-4I-NHE
厂商: Microchip Technology
文件页数: 10/28页
文件大小: 0K
描述: IC FLASH MPF 2MBIT 70NS 32PLCC
特色产品: SST Serial and Parallel Flash Memory
标准包装: 30
系列: SST39 MPF™
格式 - 存储器: 闪存
存储器类型: FLASH
存储容量: 2M (256K x 8)
速度: 70ns
接口: 并联
电源电压: 4.5 V ~ 5.5 V
工作温度: -40°C ~ 85°C
封装/外壳: 32-LCC(J 形引线)
供应商设备封装: 32-PLCC
包装: 管件
产品目录页面: 1453 (CN2011-ZH PDF)
1 Mbit / 2 Mbit / 4 Mbit Multi-Purpose Flash
A Microchip Technology Company
SST39SF010A / SST39SF020A / SST39SF040
Data Sheet
Operations
Table 3: Operation Modes Selection
Mode
Read
Program
Erase
Standby
Write Inhibit
CE#
V IL
V IL
V IL
V IH
X
X
OE#
V IL
V IH
V IH
X
V IL
X
WE#
V IH
V IL
V IL
X
X
V IH
DQ
D OUT
D IN
X 1
High Z
High Z/ D OUT
High Z/ D OUT
Address
A IN
A IN
Sector address, XXH for Chip-Erase
X
X
X
Product Identification
Software Mode
V IL
V IL
V IH
See Table 4
T3.3 25022
1. X can be V IL or V IH , but no other value.
Table 4: Software Command Sequence
Command
Sequence
1st Bus
Write Cycle
2nd Bus
Write Cycle
3rd Bus
Write Cycle
4th Bus
Write Cycle
5th Bus
Write Cycle
6th Bus
Write Cycle
Addr 1
Data
Addr 1
Data
Addr 1
Data
Addr 1
Data
Addr 1
Data
Addr 1
Data
Byte-Program
5555H AAH 2AAAH
55H
5555H
A0H
BA 2
Data
Sector-Erase
Chip-Erase
5555H AAH 2AAAH
5555H AAH 2AAAH
55H
55H
5555H
5555H
80H
80H
5555H AAH 2AAAH
5555H AAH 2AAAH
55H
55H
SA X3
5555H
30H
10H
Software ID
Entry 4,5
5555H AAH 2AAAH
55H
5555H
90H
Software ID Exit 6
XXH
F0H
Software ID Exit 6
5555H AAH 2AAAH
55H
5555H
F0H
T4.2 25022
1. Address format A 14 -A 0 (Hex), Addresses A MS -A 15 can be V IL or V IH , but no other value, for the Command sequence.
A MS = Most significant address
A MS = A 16 for SST39SF010A, A 17 for SST39SF020A, and A 18 for SST39SF040
2. BA = Program Byte address
3. SA X for Sector-Erase; uses A MS -A 12 address lines
4. The device does not remain in Software Product ID mode if powered down.
5. With A MS -A 1 = 0; SST Manufacturer’s ID = BFH, is read with A 0 = 0,
SST39SF010A Device ID = B5H, is read with A 0 = 1
SST39SF020A Device ID = B6H, is read with A 0 = 1
SST39SF040 Device ID = B7H, is read with A 0 = 1
6. Both Software ID Exit operations are equivalent
?2011 Silicon Storage Technology, Inc.
10
DS25022A
07/11
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SST39SF020A-70-4I-PH 制造商:SST 制造商全称:Silicon Storage Technology, Inc 功能描述:1 Mbit / 2 Mbit / 4 Mbit (x8) Multi-Purpose Flash
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SST39SF020A-70-4I-WHE 功能描述:闪存 256K X 8 70ns RoHS:否 制造商:ON Semiconductor 数据总线宽度:1 bit 存储类型:Flash 存储容量:2 MB 结构:256 K x 8 定时类型: 接口类型:SPI 访问时间: 电源电压-最大:3.6 V 电源电压-最小:2.3 V 最大工作电流:15 mA 工作温度:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体: 封装:Reel
SST39SF020A-70-4I-WHE-T 功能描述:闪存 4.5 to 5.5 2M b 70ns Multi-Prps Fl RoHS:否 制造商:ON Semiconductor 数据总线宽度:1 bit 存储类型:Flash 存储容量:2 MB 结构:256 K x 8 定时类型: 接口类型:SPI 访问时间: 电源电压-最大:3.6 V 电源电压-最小:2.3 V 最大工作电流:15 mA 工作温度:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体: 封装:Reel