OKI Semiconductor
MR27V401E
524,288-Word
×
8-Bit One Time PROM
FEDR27V401E-01-03
Issue Date: Jan. 15, 2004
GENERAL DESCRIPTION
The MR27V401E is a 4 Mbit electrically One Time Programmable Read-Only Memory organized as
524,288-word
×
8-bit. The MR27V401E supports high speed asynchronous read operation using a single 3.3V
power supply.
FEATURES
· 524,288-word
×
8-bit
· +3.3 V power supply
· Access time
70 nS MAX
· Operating current
25 mA MAX
· Standby current
50 µA MAX
· Input/Output TTL compatible
· Three-state output
· Packages:
32-pin plastic SOP (SOP32-P-525-1.27-K)
(MR27V401EMA)
32-pin plastic TSOP (TSOP(1)32-P-0814-0.50-1K) (MR27V401ETA)
32-pin plastic DIP (DIP32-P-600-2.54)
(MR27V401ERA)
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FEDR27V401E-01-03
OKI Semiconductor
MR27V401E / OTP
PIN CONFIGURATION (TOP VIEW)
V
PP
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
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
32-pin SOP/DIP
A4 A5 A6 A7 A12 A15 A16 V
PP
V
CC
A18 A17 A14 A13 A8 A9 A11
16 15 14 13 12 11 10 9
8 7 6 5 4
3 2 1
32-pin TSOP
17 18 19 20
21 22 23 24 25 26 27
28 29 30 31 32
D7
CE
A10
OE
A3 A2 A1 A0 D0 D1 D2 V
SS
D3 D4 D5 D6
Pin name
A0 to A18
D0 to D7
CE
OE
V
CC
V
SS
V
PP
Address input
Data output
Chip enable
Output enable
Power supply voltage
GND
Functions
Program power supply voltage
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FEDR27V401E-01-03
OKI Semiconductor
MR27V401E / OTP
BLOCK DIAGRAM
CE
CE
OE
OE
V
PP
PGM
Column Decoder
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18
Row Decoder
Memory Cell Matrix
524,288 × 8-Bit
Address Buffer
Multiplexer
Output Buffer
D0
D1
D2
D3
D4
D5
D6
D7
FUNCTION TABLE
Mode
Read
Output disable
Standby
Program
Program Inhibit
Program verify
CE
L
L
H
L
H
H
OE
L
H
∗
H
H
L
9.75V
4.0V
**
3.3 V
DC
V
CC
D0 to D7
D
OUT
Hi–Z
Hi–Z
D
IN
Hi–Z
D
OUT
∗:
Don’t Care (H or L)
∗∗:
Don’t Care (H or L or OPEN)
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FEDR27V401E-01-03
OKI Semiconductor
MR27V401E / OTP
ABSOLUTE MAXIMUM RATINGS
Parameter
Operating temperature under bias
Storage temperature
Input voltage
Output voltage
Power supply voltage
Program power supply voltage
Power dissipation per package
Symbol
Ta
Tstg
V
I
V
O
V
CC
V
PP
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
–0.5 to 11.5
1.0
Unit
°C
°C
V
V
V
V
W
RECOMMENDED OPERATING CONDITIONS
(Ta = 0 to 70°C)
Parameter
V
CC
power supply voltage
V
PP
power supply voltage
Input “H” level
Input “L” level
Symbol
V
CC
V
PP
V
IH
V
IL
V
CC
= 3.0 to 3.6 V
Condition
Min.
3.0
–0.5
2.2
–0.5∗∗
Typ.
—
—
—
—
Max.
3.6
V
CC
+0.5∗
V
CC
+0.5∗
0.6
Unit
V
V
V
V
Voltage is relative to V
SS
.
∗
: 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.
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FEDR27V401E-01-03
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MR27V401E / OTP
ELECTRICAL CHARACTERISTICS
DC Characteristics
(V
CC
= 3.3 V
±
0.3 V, Ta = 0 to 70°C)
parameter
Input leakage current
Output leakage current
V
CC
power supply current
(Standby)
V
CC
power supply current
(Read)
V
PP
power supply current
Input “H” level
Input “L” level
Output “H” level
Output “L” level
Symbol
I
LI
I
LO
I
CCSC
I
CCST
I
CCA
I
PP
V
IH
V
IL
V
OH
V
OL
Condition
V
I
= 0 to V
CC
V
O
= 0 to V
CC
CE
= V
CC
CE
= V
IH
CE
= V
IL
,
OE
= V
IH
tc = 70 ns
V
PP
= V
CC
—
—
I
OH
= –400
µA
I
OL
= 2.1 mA
Min.
—
—
—
—
—
—
2.2
–0.5∗∗
2.4
—
Typ.
—
—
—
—
—
—
—
—
—
—
Max.
10
10
50
1
25
10
V
CC
+0.5∗
0.6
—
0.4
Unit
µA
µA
µA
mΑ
mA
µA
V
V
V
V
Voltage is relative to V
SS
.
∗
: 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.
AC Characteristics
(V
CC
= 3.3 V
±
0.3 V, Ta = 0 to 70°C)
Parameter
Address cycle time
Address access time
CE
access time
30
Output disable time
Output hold time
Symbol
t
C
t
ACC
t
CE
t
OE
t
CHZ
t
OHZ
t
OH
Condition
—
CE
=
OE
= V
IL
OE
= V
IL
CE
= V
IL
OE
= V
IL
CE
= V
IL
CE
=
OE
= V
IL
Min.
70
—
—
—
0
0
0
Max.
—
70
70
35
30
25
—
Unit
ns
ns
ns
ns
ns
ns
ns
Measurement conditions
Input signal level--------------------------------
0 V/3 V
Input timing reference level ------------------
0.8 V/2.0 V
Output load --------------------------------------
50 pF
Output timing reference level----------------
0.8 V/2.0 V
2.08 V
800
Ω
Output
50 pF
(Including scope and jig)
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