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AT49BV16X4 PDF预览

AT49BV16X4

更新时间: 2024-01-30 05:13:29
品牌 Logo 应用领域
爱特美尔 - ATMEL /
页数 文件大小 规格书
18页 288K
描述
16-megabit (1M x 16/2M x 8) 3-volt Only Flash Memory

AT49BV16X4 数据手册

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Features  
2.7V to 3.3V Read/Write  
Access Time - 90 ns  
Sector Erase Architecture  
– Thirty 32K Word (64K Byte) Sectors with Individual Write Lockout  
– Eight 4K Word (8K Byte) Sectors with Individual Write Lockout  
– Two 16K Word (32K Byte) Sectors with Individual Write Lockout  
Fast Word Program Time - 20 µs  
Fast Sector Erase Time - 200 ms  
Dual Plane Organization, Permitting Concurrent Read while Program/Erase  
Memory Plane A: Eight 4K Word, Two 16K Word and Six 32K Word Sectors  
Memory Plane B: Twenty-four 32K Word Sectors  
Erase Suspend Capability  
– Supports Reading/Programming Data from Any Sector by Suspending Erase of  
Any Different Sector  
16-megabit  
(1M x 16/2M x 8)  
3-volt Only  
Low-power Operation  
– 25 mA Active  
Flash Memory  
– 10 µA Standby  
Data Polling, Toggle Bit, Ready/Busy for End of Program Detection  
Optional VPP Pin for Fast Programming  
RESET Input for Device Initialization  
Sector Program Unlock Command  
TSOP, CBGA, and µBGA Package Options  
Top or Bottom Boot Block Configuration Available  
AT49BV1604  
AT49BV1604T  
AT49BV1614  
AT49BV1614T  
Description  
The AT49BV16X4(T) is 2.7- to 3.3-volt 16-megabit Flash memory organized as  
1,048,576 words of 16 bits each or 2,097,152 bytes of 8 bits each. The x16 data  
appears on I/O0 - I/O15; the x8 data appears on I/O0 - I/O7. The memory is divided  
into 40 sectors for erase operations. The device is offered in 48-pin TSOP and 48-ball  
µBGA packages. The device has CE, and OE control signals to avoid any bus  
(continued)  
Pin Configurations  
Pin Name  
A0 - A19  
CE  
Function  
Addresses  
Chip Enable  
Output Enable  
Write Enable  
Reset  
OE  
WE  
RESET  
RDY/BUSY  
READY/BUSY Output  
Optional Power Supply for Faster  
Program/Erase Operations  
VPP  
I/O0 - I/O14  
I/O15 (A-1)  
Data Inputs/Outputs  
I/O15 (Data Input/Output, Word Mode)  
A-1 (LSB Address Input, Byte Mode)  
BYTE  
NC  
Selects Byte or Word Mode  
No Connect  
VCCQ  
DC  
Output Power Supply  
Don’t Connect  
Rev. 0925H–08/99  

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