参数资料
型号: TC58NS256DC
厂商: Toshiba Corporation
英文描述: TENTATIVE TOSHIBA MOS DIGITAL INTEGRATED CIRCUIT SILICON GATE CMOS 256-MBIT (32M ?8 BITS) CMOS NAND E2PROM (32M BYTE SmartMediaTM)
中文描述: 马鞍山暂定东芝数字集成电路硅栅CMOS 256兆位(32M的?8位)的CMOS NAND型E2PROM的(32兆字节SmartMediaTM)
文件页数: 24/33页
文件大小: 709K
代理商: TC58NS256DC
TC58NS256DC
2000-08-27 24/33
ID Read
The TC58NS256 contains ID codes which identify the device type and the manufacturer. The ID codes can be
read out under the following timing conditions:
Table 6. Code table
I/O8
I/O7
I/O6
I/O5
I/O4
I/O3
I/O2
I/O1
Hex Data
Maker code
1
0
0
1
1
0
0
0
98H
Device code
0
1
1
1
0
1
0
1
75H
Option code
1
0
1
0
0
1
0
1
A5H
*
*
The A5H for the 3
rd
byte of ID read means the existence of 128 bit unique ID number in the device.
How to read out unique ID number
The 128 bit unique ID number is embedded in the device. The procedure to read out the ID number is available
using special command which is provided under a non-disclosure agreement.
WE
CLE
RE
t
CR
CE
ALE
I/O
t
AR1
t
REAID
ID Read command
Address
00
Maker code
Device code
For the specifications of the access times t
REAID
, t
CR
and t
AR1
refer to the AC Characteristics.
90H
00
98H
75H
Figure13. ID Read timing
Option code
A5H
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