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Part Number MR27V402D

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1/11
The MR27V402D is a 4Mbit electrically Programmable Read-Only Memory whose configuration can
be electrically switched between 262,144 word x 16bit and 524,288 word x 8bit. The MR27V402D
operates on a single +3V-3.3V power supply and is TTL compatible. Since the MR27V402D
operates asynchronously , external clocks are not required , making this device easy-to-use. The
MR27V402D 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 40-pin DIP, 40-pin
SOP or 44-pin TSOP packages.
1A
MR27V402D
¡
262,144-Word x 16-Bit or 524,288-Word x 8-Bit One Time PROM
DESCRIPTION
FEATURES
· 262,144 word x 16bit / 524,288 word x 8bit electrically switchable configuration
· Single +3V-3.3V power supply
· Access time 100ns access time (Vcc=+3V)
80ns access time (Vcc=+3.3V)
· Input / Output TTL compatible
· Three-state output
· Packages
40-pin plastic DIP (DIP40-P-600-2.54) (Product name : MR27V402DRP)
40-pin plastic SOP (SOP40-P-525-1.27-K) (Product name : MR27V402DMP)
44-pin plastic TSOP (TSOP II 44-P-400-0.80-K) (Product name : MR27V402DTP)
Semiconductor
November 1999
2/11
PIN NAMES
FUNCTIONS
D15/A-1
Data output / Address input
A0-A17
Address input
D0-D14
Data output
CE
OE
Output enable
V
CC
Power supply voltage
BYTE/V
PP
Mode switch / Program power supply voltage
NC
Non connection
PIN CONFIGURATION (TOP VIEW)
Chip enable
V
SS
GND
MR27V402D
A8
A9
A11
A12
A13
A14
A15
A16
V
SS
D15/A-1
D7
D14
D6
D13
D5
D12
D4
V
CC
A10
40
1
2
3
5
39
38
37
36
6
7
8
9
35
34
33
32
10
11
12
13
31
30
29
28
14
15
16
17
27
26
25
24
18
19
20
23
22
A17
A7
A6
A5
A4
A3
A2
A1
A0
CE
V
SS
OE
D0
D8
D1
D9
D2
D10
D3
D11
BYTE/Vpp
40-pin DIP , SOP
44-pin TSOP (II)
43
A8
A9
A11
A12
A13
A14
A15
A16
V
SS
D7
D14
D6
D13
D5
D12
D4
V
CC
A10
42
41
40
2
3
4
5
39
38
37
36
6
7
8
9
35
34
33
32
10
11
12
13
31
30
29
28
14
15
16
17
27
26
25
24
18
19
20
21
23
22
NC
A17
A7
A6
A5
A4
A3
A2
A1
A0
CE
V
SS
OE
D0
D8
D1
D9
D2
D10
D3
D11
44
NC 1
NC
D15/A-1
BYTE/Vpp
NC
4
21
3/11
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
BLOCK DIAGRAM
D0
CE
BYTE/V
PP
OE
CE
PGM
OE
Address Buffer
Row Decoder
Column Decoder
Memory Matrix
Multiplexer
Output Buffer
FUNCTION TABLE
STAND-BY
OUTPUT DISABLE
READ (8-Bit)
READ (16-Bit)
MODE
D15/A-1
CE
OE
V
CC
L
L
D
OUT
L
L
L/H
L
H
L
*
H
*
H
L
*: Don't Care
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
D12
D13
D14
D15
X8/X16 Switch
A-1
In 8-bit output mode, these pins are
three-stated and pin D15 functions
as the A-1 address pin.
3.0V
to
3.3V
D8 - D14
D0 - D7
H
L
D
OUT
Hi-Z
H
Hi-Z
*
Hi-Z
PROGRAM
L
H
D
IN
PROGRAM INHIBIT
H
H
Hi-Z
PROGRAM VERIFY
H
L
D
OUT
9.75V
4.0V
MR27V402D
BYTE/V
PP
262,144X16-Bit or 524,288X8-Bit
4/11
Operating temperature under bias
Storage temperature
Input voltage
Output voltage
Power supply voltage
Program power supply voltage
Power dissipation per package
Parameter
Symbol
Topr
Unit
Value
Condition
RECOMMENDED OPERATING CONDITIONS
V
CC
power supply voltage
V
PP
power supply voltage
Input "H" level
Input "L" level
Parameter
Symbol
V
CC
Unit
3.6
Typ.
2.7
Condition
T
stg
V
I
V
O
V
CC
V
PP
P
D
0 to 70
-55 to 125
V
-0.5 to V
CC
+ 0.5
V
-0.5 to V
CC
+0.5
V
-0.5 to 5
V
-0.5 to 11.5
W
1.0
-
relative to V
SS
(Ta=0 to 70
°
C)
Min.
Max.
V
V
CC
+0.5
-0.5
-
V
V
CC
+0.5*
2.2
-
V
0.6
-0.5**
-
V
V
PP
V
IH
V
IL
V
CC
=2.7V-3.6V
Voltage is relative to Vss
ABSOLUTE MAXIMUM RATINGS
-
-
MR27V402D
°
C
°
C
* : 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.
5/11
ELECTRICAL CHARACTERISTICS (Read operation)
DC Characteristics 1
(V
CC
=3.3V
±
0.3V, Ta=0 to 70
°
C
)
DC Characteristics 2
Input leakage current
Output leakage current
V
CC
power supply current
(Standby)
V
CC
power supply current (Read)
V
PP
power supply current
Parameter
Symbol
Unit
Condition
(V
CC
=3V
±
0.3V, Ta=0 to 70
°
C
)
Input "H" level
Input "L" level
Output "H" level
Output "L" level
Voltage is relative to Vss
Input leakage current
Output leakage current
V
CC
power supply current
(Standby)
V
CC
power supply current (Read)
V
PP
power supply current
Parameter
Symbol
Unit
Condition
Input "H" level
Input "L" level
Output "H" level
Output "L" level
Voltage is relative to Vss
I
LI
10
Typ.
-
Min.
Max.
I
LO
I
CCSC
I
CCST
I
CCA
µ
A
-
10
-
µ
A
-
50
-
µ
A
-
CE=V
CC
1
-
CE=V
IH
25
-
mA
tc=100ns
-
-
I
PP
V
IH
V
IL
V
OH
V
OL
10
-
µ
A
V
PP
=V
CC
V
CC
+0.5*
2.2
V
-
0.6
-0.5**
V
-
-
2.4
V
I
OH
=-400uA
0.4
-
V
I
OL
=2.1mA
-
-
-
-
-
CE=V
IL,
OE=V
IH
I
LI
10
Typ.
-
Min.
Max.
I
LO
I
CCSC
I
CCST
I
CCA
µ
A
-
10
-
µ
A
-
50
-
µ
A
-
CE=V
CC
1
-
CE=V
IH
30
-
mA
CE=V
IL,
OE=V
IH
tc=80ns
-
-
I
PP
V
IH
V
IL
V
OH
V
OL
10
-
µ
A
V
PP
=V
CC
V
CC
+0.5*
2.2
V
-
0.6
-0.5**
V
-
-
V
I
OH
=-400uA
-
V
I
OL
=2.1mA
-
-
-
-
-
2.4
0.4
V
I
=0 to Vcc
V
O
=0 to Vcc
V
I
=0 to Vcc
V
O
=0 to Vcc
MR27V402D
mA
mA
* : 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.
* : 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.
Output
MR27V402D
6/11
800ohms
50pF
2.08V
AC Characteristics 1
Address access time
CE access time
OE access time
Output disable time
Parameter
Symbol
T
ACC
Unit
-
Condition
(V
CC
=3V
±
0.3V, Ta=0 to 70
°
C)
Min.
Max.
T
CE
ns
CE=OE=V
IL
-
ns
OE=V
IL
50
-
ns
CE=V
IL
30
0
ns
OE=V
IL
25
0
ns
-
0
ns
T
OE
T
OH
CE=V
IL
CE=OE=V
IL
Output hold time
0V/3V
0.8V/2.0V
50pF
0.8V/2.0V
Measurement conditions
Input signal level
Input timing reference level
Output load
Output timing reference level
100
100
T
CHZ
T
OHZ
Address cycle time
T
C
100
ns
-
-
AC Characteristics 2
Address access time
CE access time
OE access time
Output disable time
Parameter
Symbol
T
ACC
Unit
-
Condition
(V
CC
=3.3V
±
0.3V, Ta=0 to 70
°
C)
Min.
Max.
T
CE
ns
CE=OE=V
IL
-
ns
OE=V
IL
40
-
ns
CE=V
IL
30
0
ns
OE=V
IL
25
0
ns
-
0
ns
T
OE
T
OH
CE=V
IL
CE=OE=V
IL
Output hold time
80
80
T
CHZ
T
OHZ
Address cycle time
T
C
80
ns
-
-
0V/3V
0.8V/2.0V
50pF
0.8V/2.0V
Measurement conditions
Input signal level
Input timing reference level
Output load
Output timing reference level
A0 - A17
t
OH
t
CE
t
OE
t
ACC
CE
OE
Valid Data
Hi-Z
Hi-Z
D0 - D15
t
OH
t
CE
t
OE
t
ACC
CE
OE
Valid Data
Hi-Z
Hi-Z
D0 - D7
8-Bit Read Mode (BYTE=V
IL
)
D8 - D14
Hi-Z
TIMING CHART (READ CYCLE)
t
CHZ
t
OHZ
t
CHZ
t
OHZ
t
C
t
C
A-1 - A17
16-Bit Read Mode (BYTE=V
IH
)
7/11
MR27V402D
FF00
00FF
8/11
ELECTRICAL CHARACTERISTICS (Programming operation)
DC Characteristics
Input leakage current
V
PP
power supply current (Program)
V
CC
power supply current
Parameter
Symbol
I
LI
Unit
10
Typ.
-
Condition
(Ta=25
°
C
±
5
°
C)
Min.
Max.
Input "L" level
I
PP2
I
CC
V
IH
V
IL
µ
A
-
V
I
=V
CC
+0.5V
50
-
mA
-
CE=V
IL
50
-
mA
-
-
V
CC
+0.5
3.0
V
-
0.8
-0.5
V
-
-
9.75
-
Voltage is relative to Vss
Input "H" level
V
OH
-
2.4
V
I
OH
=-400
µ
A
-
Output "H" level
V
OL
0.45
-
V
I
OL
=2.1mA
-
Output "L" level
V
PP
10.0
9.5
V
-
Program voltage
V
CC
power supply voltage
V
CC
4.1
3.9
V
4.0
-
MR27V402D
Pin Check Function
Pin Check Function is to check contact between each device-pin and each socket-lead with EPROM
programmer.
Setting up address as the following condition call the preprogrammed codes on device outputs.
A0
(Vcc=3.3V
±
0.3V,CE=OE=V
IL
,BYTE/Vpp=V
IH
,Ta=25
°
C
±
5
°
C)
A1
A2
A3
A4
A5
A6
A7
A8
A9 A10 A11 A12 A13 A14 A15 A16 A17
0
1
0
1
0
1
0
1
0
VH*
0
1
0
1
0
1
0
0
1
0
1
0
1
0
1
0
1
VH*
1
0
1
0
1
0
1
1
DATA
* :VH=8V
±
0.25V
AC Characteristics
Address set-up time
OE set-up time
Data set-up time
Parameter
Symbol
T
AS
Unit
-
Typ.
100
Condition
Min.
Max.
Data hold time
T
OES
T
DS
T
AH
T
DH
ns
-
-
2
µ
s
-
-
100
ns
-
-
-
2
µ
s
-
-
100
ns
-
-
-
Address hold time
T
OHZ
100
0
ns
-
Output float delay from OE
T
VS
-
2
µ
s
-
V
PP
voltage set-up time
Program pulse width
T
PW
11
9
µ
s
10
-
Data valid from OE
T
OE
100
-
ns
-
-
-
-
-
-
(Vcc=4.0V
±
0.1V,Vpp=9.75V
±
0.25V,Ta=25
°
C
±
5
°
C)
ns
Address hold from OE high
T
AHO
-
0
-
-
FFFF
Other conditions
Consecutive Programming Waveforms
A0 - A17
D0 - D15
BYTE/V
PP
OE
CE
Din
Din
High
t
AS
t
AH
t
PW
t
DS
t
DH
t
VS
9/11
MR27V402D
Consecutive Program Verify Waveforms
A0 - A17
D0 - D15
OE
CE
Dout
High
t
ACC
t
AHO
t
OE
t
OHZ
Dout
BYTE/V
PP
9.75V
Program and Program Verify Cycle Waveforms
A0 - A17
D0 - D15
OE
CE
Din
t
AS
t
DH
Dout
BYTE/V
PP
9.75V
10/11
MR27V402D
PIN Capacitance
Input
BYTE/V
PP
Parameter
C
IN1
Unit
8 (10)
Typ.
-
(V
CC
=3.3V, Ta=25
°
C, f=1MHz)
Min.
Max.
C
IN2
pF
-
V
I
=0V
60
-
-
Output
C
OUT
10 (12)
-
-
V
O
=0V
Symbol
Condition
t
PW
t
OES
t
OE
t
OHZ
t
DS
t
OHZ
t
AHO
( ) : DIP only
Bad insertion
Increment Address
Program 10
µ
s
11/11
Programming / Verify Flow Chart
MR27V402D
V
CC
=4.0V
V
PP
=9.75V
X=0
YES
PASS
NO
NG
NO
YES
NG
PASS
X=2?
X=X+1
YES
NO
V
CC
=3.0V
V
PP
=3.0V
Programming
Pin Check
NO
OK
V
CC
=3.6V
V
PP
=3.6V
NG
PASS
V
CC
=3.0V
V
PP
=3.0V
NG
PASS
Verify
NO
OK
Start
Start
Pin Check
Last Address ?
Increment Address
Address = First location
Program 10
µ
s
Verify (One Byte)
Last Address ?
Verify (One Byte)
Device Passed
Device Failed
Device Passed
Device Failed
Verify (One Byte)
Verify (One Byte)
Bad insertion
Address = First location
Address = First location