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HT23C020 参数 Datasheet PDF下载

HT23C020图片预览
型号: HT23C020
PDF下载: 下载PDF文件 查看货源
内容描述: CMOS 256Kx 8位掩膜ROM [CMOS 256Kx 8-Bit Mask ROM]
分类和应用:
文件页数/大小: 8 页 / 264 K
品牌: HOLTEK [ HOLTEK SEMICONDUCTOR INC ]
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HT23C020
Supply voltage: 4.5V~5.5V
Ta=–40
°
C to 85
°
C
Symbol
V
CC
I
CC
V
IL
V
IH
V
OL
V
OH
I
LI
I
LO
I
STB1
I
STB2
C
IN
C
OUT
Parameter
Operating Voltage
Operating Current
Input Low Voltage
Input High Voltage
Output Low Voltage
Output High Voltage
Input Leakage Current
Output Leakage Current
Standby Current
Standby Current
Input Capacitance (See note)
Output Capacitance (See note)
Test Conditions
V
CC
5V
5V
5V
5V
5V
5V
5V
5V
5V
Min.
4.5
V
SS
2.2
2.4
Typ.
Max. Unit
5.5
25
0.8
V
CC
0.4
V
CC
10
10
1.5
30
10
10
V
mA
V
V
V
V
µ
A
µ
A
Conditions
O/P Unload,
f= 5MHz
I
OL
= 3.2mA
I
OH
= –1mA
V
IN
= 0 to V
CC
V
OUT
= 0 to V
CC
CE=V
IL
CE=V
IH
CE
0.2V
CE
V
CC
-0.2V
f= 1MHz
f= 1MHz
mA
µ
A
pF
pF
Note: These parameters are periodically sampled but not 100% tested.
A.C. Characteristics
Symbol
t
CYC
t
AA
t
ACE
t
AOE
t
OH
t
OD
t
OE
Ta=–40
°
C to 85
°
C
Parameter
Cycle Time
Address Access Time
Chip Enable Access Time
Output Enable Access Time
Output Hold Time
Output Disable Time (See Note)
Output Enable Time (See Note)
V
CC
=2.7V~3.6V
Min.
250
V
CC
=4.5V~5.5V
Min.
150
10
10
Unit
ns
ns
ns
ns
ns
ns
ns
Max.
250
250
150
Max.
150
150
80
70
Note: These parameters are periodically sampled but not 100% tested.
4
21st Aug ’98