參數(shù)資料
型號(hào): CAT28F102
英文描述: 1 Megabit CMOS Flash Memory(1M(64K x 16位)位CMOS閃速存儲(chǔ)器)
中文描述: 1兆位的CMOS快閃記憶體(100萬(64K的× 16位)位的CMOS閃速存儲(chǔ)器)
文件頁數(shù): 7/14頁
文件大?。?/td> 159K
代理商: CAT28F102
CAT28F102
7
Doc. No. 25038-0A 2/98 F-1
FUNCTION TABLE
(1)
Pins
WE
Mode
CE
OE
V
PP
V
PPL
I/O
Notes
Read
V
IL
V
IL
V
IH
D
OUT
Output Disable
V
IL
V
IH
V
IH
X
High-Z
Standby
V
IH
X
X
V
PPL
High-Z
Signature (MFG)
V
IL
V
IL
V
IH
V
PPL
0031H
A
0
= V
IL
, A
9
= 12V
Signature (Device)
V
IL
V
IL
V
IH
X
0051H
A
0
= V
IH
, A
9
= 12V
Program/Erase
V
IL
V
IH
V
IL
V
PPH
D
IN
See Command Table
Write Cycle
V
IL
V
IH
V
IL
V
PPH
D
IN
During Write Cycle
Read Cycle
V
IL
V
IL
V
IH
V
PPH
D
OUT
During Write Cycle
Output Disable
V
IL
V
IH
V
IH
V
PPH
High-Z
During Write Cycle
Standby
V
IH
X
X
V
PPH
High-Z
During Write Cycle
WRITE COMMAND TABLE
Commands are written into the command register in one or two write cycles. The command register can be altered
only when V
PP
is high and the instruction byte is latched on the rising edge of WE. Write cycles also internally latch
addresses and data required for programming and erase operations.
Pins
First Bus Cycle
Address
Second Bus Cycle
Address
Mode
Operation
D
IN
Operation
D
IN
D
OUT
D
OUT
Set Read
Write
X
XX00H
Read
A
IN
Read Sig. (MFG)
Write
X
XX90H
Read
0000
0031H
Read Sig. (Device)
Write
X
XX90H
Read
0001
0051H
Erase
Write
X
XX20H
Write
X
XX20H
Erase Verify
Write
A
IN
XXA0H
Read
X
D
OUT
Program
Write
X
XX40H
Write
A
IN
D
IN
Program Verify
Write
X
XXC0H
Read
X
D
OUT
Reset
Write
X
XXFFH
Write
X
XXFFH
Note:
(1)
Logic Levels: X = Logic ‘Do not care’ (V
IH
, V
IL
, V
PPL
, V
PPH
)
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