參數(shù)資料
型號(hào): HT27LC040
廠商: Holtek Semiconductor Inc.
英文描述: CMOS 512K 8-Bit OTP EPROM
中文描述: 為512k的CMOS 8位檢察官辦公室存儲(chǔ)器
文件頁(yè)數(shù): 6/15頁(yè)
文件大?。?/td> 175K
代理商: HT27LC040
Product Identification Code
Code
Pins
Hex
Data
A0
A1
DQ7
DQ6
DQ5
DQ4
DQ3
DQ2
DQ1
DQ0
Manufacturer
0
1
0
0
0
1
1
1
0
0
1C
Device Type
1
1
0
0
0
0
0
1
0
0
04
Continuation
0
0
0
1
1
1
1
1
1
1
7F
1
0
0
1
1
1
1
1
1
1
7F
HT27LC040
Rev. 1.30
6
December 8, 2003
Operation Mode Truth Table
All the operation modes are shown in the table following.
Mode
CE
OE
A0
A1
A9
VPP
Output
Read
V
IL
V
IL
X
X
X
V
CC
Dout
Output Disable
V
IL
V
IH
X
X
X
V
CC
High Z
Standby (TTL)
V
IH
X
X
X
X
V
CC
High Z
Standby (CMOS)
V
CC
0.3V
X
X
X
X
V
CC
High Z
Program
V
IL
V
IH
X
X
X
V
PP
D
IN
Program Verify
X
V
IL
X
X
X
V
PP
D
OUT
Product Inhibit
V
IH
X
X
X
X
V
PP
High Z
Manufacturer Code (3)
V
IL
V
IL
V
IL
V
IH
V
H
(1)
V
CC
1C
Device Type Code (3)
V
IL
V
IL
V
IH
V
IH
V
H
(1)
V
CC
04
Note:
(1) V
H
= 12.0V
0.5V
(2) X=Either V
IH
or V
IL
(3) For Manufacturer Code and Device Code, A1=V
IH
, When A1=V
IL
, both codes will read 7F
'
"
'
'
9 :
9
;
"
9
<
'
Figure 1. A.C. Waveforms for Read Operation
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