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参数资料
| 型号： | MF3257-LYCATXX |
| 厂商： | Mitsubishi Electric Corporation |
| 英文描述： | 8/16-bit Data Bus Static RAM Card |
| 中文描述： | 16位产品数据总线静态存储器卡 |
| 文件页数： | 5/14页 |
| 文件大小： | 101K |
| 代理商： | MF3257-LYCATXX |
MITSUBISHI MEMORY CARD
STATIC RAM CARDS
MITSUBISHI
ELECTRIC
5/14 Apr. 1999 Rev. 1.2
10. FUNCTION TABLE
Mode
Standby
Read A (16bit)
common
Write A (16bit)
common
Read B
(
8bit
)
REG#
X
H
CE1#
H
L
CE2#
H
L
OE#
X
L
WE#
X
H
A0
X
X
I/O (D15~D8)
High-impedance
Odd Byte
Data out
Odd Byte
Data in
High-impedance
I/O (D7~D0)
High-impedance
Even Byte
Data out
Even Byte
Data in
Even Byte
Data out
Odd Byte
Data out
Even Byte Data in
Odd Byte Data in
High-impedance
Icc
standby
Active
H
L
L
H
L
X
Active
H
L
H
L
H
L
Active
common
H
L
H
L
H
H
High-impedance
Active
Write B
(
8bit
)
common
Read C (8bit)
common
Write C (8bit)
common
Output disable
Read A (16bit)
attribute
Read B
(
8bit
)
attribute
H
H
H
L
L
H
H
H
L
H
H
L
L
L
H
L
H
X
High-impedance
High-impedance
Odd Byte
Data out
Odd Byte
Data in
High-impedance
Data out
(unknown)
High-impedance
Active
Active
Active
H
H
L
H
L
X
High-impedance
Active
X
L
X
L
X
L
H
L
H
H
X
X
High-impedance
Data out
(FFh)
Data out
(FFh)
Data out
(unknown)
High-impedance
Active
Active
L
L
H
L
H
L
Active
L
L
H
L
H
H
High-impedance
Active
Read C (8bit)
attribute
Note 1 : H=V
IH
, L=V
IL,
X=V
IH
or V
IL
L
H
L
L
H
X
Data out
(unknown)
Active
11. ABSOLUTE MAXIMUM RATINGS
Symbol
Vcc
Supply voltage
V
I
Input voltage
V
O
Output voltage
Topr1
Operating temperature 1
Topr2
Operating temperature 2
Tstg
Storage temperature
Parameter
Conditions
Ratings
-0.3~6.0
-0.3~Vcc+0.3
0~Vcc
0~60
0~60
-20~70
Unit
V
V
V
°C
°C
°C
With respect to GND
Read, Write Operation
Data retention
Excludes data retention
12. RECOMMENDED OPERATING CONDITIONS
(Ta=0~55°C, unless otherwise noted)
Limits
Typ.
5.0
0
Min.
4.50
Max.
5.25
Vcc
GND
V
IH
V
IL
Vcc Supply voltage
System ground
High input voltage
Low input voltage
V
V
V
V
3.5
0
Vcc
0.8
Symbol
Parameter
Unit
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