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Semiconductor
MR27V401D
524,288-Word x 8-Bit
Production Programmed Read Only Memory (P2ROM)
1A
DESCRIPTION
The MR27V401D is a 4Mbit Production Programmed Read-Only Memory (P2ROM) organized as
524,288word x 8bit. The MR27V401D operates on a single +3V-3.3V power supply and is TTL
compatible. Since the MR27V401D operates asynchronously , external clocks are not required ,
making this device easy-to-use. The MR27V401D is suitable as large-capacity fixed memory for
microcomputers and data terminals. It is manufactured using a CMOS double silicon gate
technology and is offered in 32-pin DIP, 32-pin SOP or 32-pin TSOP packages.
FEATURES
• 524,288 word x 8bit
• Single +3V-3.3V power supply
• Access time
80ns access time (Vcc=+3V)
70ns access time (Vcc=+3.3V)
• Input / Output TTL compatible
• Three-state output
• Packages
32-pin plastic DIP (DIP32-P-600-2.54)
(Product name : MR27V401D-xxRA)
32-pin plastic SOP (SOP32-P-525-1.27-K)
(Product name : MR27V401D-xxMA)
32-pin plastic TSOP (TSOP I 32-P-814-0.50-K) (Product name : MR27V401D-xxTA)
November 1999
1/7
MR27V401D
PIN CONFIGURATION (TOP VIEW)
DC 1
A16 2
A15 3
A12 4
A7 5
A6 6
A5 7
A4 8
A3 9
A2 10
A1 11
A0 12
D0 13
D1 14
D2 15
V
SS
16
32-pin DIP
32 V
CC
31 A18
30 A17
29 A14
28 A13
27 A8
26 A9
25 A11
24 OE
23 A10
22 CE
21 D7
20 D6
19 D5
18 D4
17 D3
DC 1
A16 2
A15 3
A12 4
A7 5
A6 6
A5 7
A4 8
A3 9
A2 10
A1 11
A0 12
D0 13
D1 14
D2 15
V
SS
16
32-pin SOP
32 V
CC
31 A18
30 A17
29 A14
28 A13
27 A8
26 A9
25 A11
24 OE
23 A10
22 CE
21 D7
20 D6
19 D5
18 D4
17 D3
A5
A7
A15
DC
A18
A14
A8
A11
1
V
CC
A6
A12
A13
A9
A4
A16
A17
16 15 14 13 12 11 10 9 8 7 6 5 4 3 2
32-pin TSOP
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
D3
D5
D7
A3
A1
D0
D2
A10
V
SS
D4
D6
A2
D1
OE
CE
A0
PIN NAMES
A0 - A18
D0 - D7
CE
OE
V
CC
V
SS
DC
FUNCTIONS
Address input
Data output
Chip enable
Output enable
Power supply voltage
GND
Don't care *
2/7
* : Logical input level is ignored , however the pin is connected
to internal circuit.
MR27V401D
BLOCK DIAGRAM
CE
OE
CE
OE
Column Decoder
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18
Row Decoder
Memory Matrix
Address Buffer
524,288X8-Bit
Multiplexer
Output Buffer
D0
D1
D2
D3
D4
D5
D6
D7
FUNCTION TABLE
MODE
READ
OUTPUT DISABLE
STAND-BY
* : Don't Care (H or L)
** : Don't Care (H or L or Open)
CE
L
L
H
OE
L
H
*
DC
**
V
CC
3.0V to 3.3V
D0 - D7
D
OUT
Hi-Z
Hi-Z
3/7
MR27V401D
ABSOLUTE MAXIMUM RATINGS
Parameter
Operating temperature under bias
Storage temperature
Input voltage
Output voltage
Power supply voltage
Power dissipation per package
Symbol
T
opr
T
stg
V
I
V
O
V
CC
P
D
-
relative to V
SS
Condition
-
Value
0 to 70
-55 to 125
-0.5 to V
CC
+ 0.5
-0.5 to V
CC
+ 0.5
-0.5 to 5
1.0
Unit
°C
°C
V
V
V
W
RECOMMENDED OPERATING CONDITIONS
(Ta=0 to 70
°C)
Parameter
V
CC
power supply voltage
Input "H" level
Input "L" level
Voltage is relative to Vss
* : Vcc+1.5V (Max.) when pulse width of overshoot is less than 10nS.
** : -1.5V (Min.) when pulse width of undershoot is less than 10nS.
Symbol
V
CC
V
IH
V
IL
Condition
V
CC
=2.7V - 3.6V
Min.
2.7
2.2
-0.5**
Typ.
Max.
Unit
-
V
3.6
-
V
CC
+0.5*
V
-
V
0.6
4/7
MR27V401D
ELECTRICAL CHARACTERISTICS (Read operation)
DC Characteristics 1
(V
CC
=3V
±
0.3V, Ta=0 to 70
°C
)
Parameter
Input leakage current
Output leakage current
V
CC
power supply current
(Standby)
V
CC
power supply current
(Read)
Input "H" level
Input "L" level
Output "H" level
Output "L" level
Voltage is relative to Vss
* : Vcc+1.5V (Max.) when pulse width of overshoot is less than 10nS.
** : -1.5V (Min.) when pulse width of undershoot is less than 10nS.
Symbol
I
LI
I
LO
I
CCSC
I
CCST
I
CCA
V
IH
V
IL
V
OH
V
OL
Condition
V
I
=0 to Vcc
V
O
=0 to Vcc
CE=V
CC
CE=V
IH
CE=V
IL ,
OE=V
IH
tc=80ns
-
-
I
OH
=-400µA
I
OL
=2.1mA
Min.
-
-
-
-
-
2.2
-0.5**
2.4
-
Typ.
-
-
-
-
-
-
-
-
-
Max.
10
10
50
1
20
V
CC
+0.5*
0.6
-
0.4
Unit
µA
µA
µA
mA
mA
V
V
V
V
DC Characteristics 2
(V
CC
=3.3V
±
0.3V, Ta=0 to 70
°C
)
Parameter
Input leakage current
Output leakage current
V
CC
power supply current
(Standby)
V
CC
power supply current
(Read)
Input "H" level
Input "L" level
Output "H" level
Output "L" level
Voltage is relative to Vss
* : Vcc+1.5V (Max.) when pulse width of overshoot is less than 10nS.
** : -1.5V (Min.) when pulse width of undershoot is less than 10nS.
Symbol
I
LI
I
LO
I
CCSC
I
CCST
I
CCA
V
IH
V
IL
V
OH
V
OL
Condition
V
I
=0 to Vcc
V
O
=0 to Vcc
CE=V
CC
CE=V
IH
CE=V
IL ,
OE=V
IH
tc=70ns
-
-
I
OH
=-400µA
I
OL
=2.1mA
Min.
-
-
-
-
-
2.2
-0.5**
2.4
-
Typ.
-
-
-
-
-
-
-
-
-
Max.
10
10
50
1
25
V
CC
+0.5*
0.6
-
0.4
Unit
µA
µA
µA
mA
mA
V
V
V
V
5/7
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