參數(shù)資料
型號(hào): HT27C020
廠商: Holtek Semiconductor Inc.
英文描述: OTP CMOS 256Kx 8-Bit EPROM
中文描述: 檢察官辦公室的CMOS 256Kx 8位存儲(chǔ)器
文件頁(yè)數(shù): 4/11頁(yè)
文件大小: 286K
代理商: HT27C020
Programming operation
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
V
CC
Conditions
V
OH
Output High Level
6V
I
OH
=–0.4mA
2.4
V
V
OL
Output Low Level
6V
I
OL
=2.1mA
0.45
V
V
IH
Input High Level
6V
0.7V
CC
V
CC
+0.5
V
V
IL
Input Low Level
6V
–0.5
0.8
V
I
LI
Input Load Current
6V
V
IN
=V
IL
, V
IH
5.0
μ
A
V
H
A9 Product ID Voltage
6V
11.5
12.5
V
I
CC
VCC Supply Current
6V
40
mA
I
PP
VPP Supply Current
6V
CE =V
IL
10
mA
Capacitance
Symbol
Parameter
Test Conditions
Min.
Typ. Max. Unit
V
CC
Conditions
C
IN
Input Capacitance
5V
V
IN
=0V
8
12
pF
C
OUT
Output Capacitance
5V
V
OUT
=0V
8
12
pF
C
VPP
VPP
Capacitance
5V
V
PP
=0V
18
25
pF
A.C. Characteristics
Read operation
Symbol
Parameter
Test Conditions
–70
–90
–120
Unit
V
CC
Conditions Min. Max. Min. Max. Min. Max.
t
ACC
Address to Output Delay
5V
CE =OE =V
IL
70
90
120
ns
t
CE
Chip E nable to Output
Delay
5V
OE =V
IL
70
90
120
ns
t
OE
Output E nable to Output
Delay
5V
CE =V
IL
30
35
40
ns
t
DF
CE or OE High to Output
Float, Whichever
Occurred First
5V
25
25
30
ns
t
OH
Output Hold from
Address, CE or OE ,
Whichever Occurred First
5V
0
0
0
ns
HT27C020
4
10th May ’99
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