OKI Semiconductor
MR27V1652L
1M–Word
×
16–Bit or 2M–Word
×
8–Bit
Page Mode
FEDR27V1652L-02-01
Issue Date: Jun. 16, 2005
P2ROM
PIN CONFIGURATION (TOP VIEW)
FEATURES
· 1,048,576-word
×
16-bit / 2,097,152-word
×
8-bit electrically
switchable configuration
· Page size of 8-word x 16-Bit or 16-word x 8-Bit
· 3.0 V to 3.6 V power supply
·Random Access time
100 ns MAX
·Page Access time
30 ns MAX
· Operating current
60 mA MAX (5MHz)
· Standby current
10 µA MAX
· Input/Output TTL compatible
· Three-state output
NC
A18
A17
A7
A6
A5
A4
A3
A2
A1
A0
CE#
V
SS
OE#
D0
D8
D1
D9
D2
D10
D3
D11
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
44
NC
43
A19
42
A8
41
A9
40
A10
39
A11
38
A12
37
A13
36
A14
35
A15
34
A16
33
BYTE#
32
V
SS
31
D15/A–1
30
D7
29
D14
28
D6
27
D13
26
D5
25
D12
24
D4
23
V
CC
PACKAGES
· MR27V1652L-xxxMA
44-pin plastic SOP (SOP44-P-600-1.27-K)
44SOP
P2ROM ADVANCED TECHNOLOGY
P2ROM stands for Production Programmed ROM. This
exclusive Oki technology utilizes factory test equipment for
programming the customers code into the P2ROM prior to final
production testing. Advancements in this technology allows
production costs to be equivalent to MASKROM and has many
advantages and added benefits over the other non-volatile
technologies, which include the following;
·
Short lead time,
since the P2ROM is programmed at the final stage of the production process, a large P2ROM
inventory "bank system" of un-programmed packaged products are maintained to provide an aggressive
lead-time and minimize liability as a custom product.
·
No mask charge,
since P2ROMs do not utilize a custom mask for storing customer code, no mask charges
apply.
·
No additional programming charge,
unlike Flash and OTP that require additional programming and
handling costs, the P2ROM already has the code loaded at the factory with minimal effect on the production
throughput. The cost is included in the unit price.
·
Custom Marking is
available at no additional charge.
·
Pin Compatible with Mask ROM
and some FLASH products.
1/8
FEDR27V1652L-02-01
OKI Semiconductor
MR27V1652L / P2ROM
BLOCK DIAGRAM
A–1
× 8/× 16 Switch
CE#
CE
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
OE#
OE
BYTE#
Row Decoder
Memory Cell Matrix
1M × 16-Bit or 2M × 8-Bit
Address Buffer
Column Decoder
Multiplexer
Output Buffer
D0
D1
D2
D3
D4
D5
D6
D7
D8
D10
D9
D12
D14
D15
D11
D13
In 8-bit output mode, these pins
are placed in a high-Z state and
pin D15 functions as the A-1
address pin.
PIN DESCRIPTIONS
Pin name
D15 / A–1
A0 to A19
D0 to D14
CE#
OE#
BYTE#
V
CC
V
SS
NC
Address inputs
Data outputs
Chip enable input
Output enable input
Word / Byte select input
Power supply voltage
Ground
No connect
Functions
Data output / Address input
2/8
FEDR27V1652L-02-01
OKI Semiconductor
MR27V1652L / P2ROM
FUNCTION TABLE
Mode
Read (16-Bit)
Read (8-Bit)
Output disable
Standby
∗:
Don’t Care (H or L)
CE#
L
L
L
H
OE#
L
L
H
∗
BYTE#
H
L
H
L
H
L
3.3 V
D
OUT
V
CC
D0 to D7
D8 to D14
D
OUT
Hi–Z
Hi–Z
Hi–Z
L/H
∗
∗
D15/A–1
ABSOLUTE MAXIMUM RATINGS
Parameter
Operating temperature under bias
Storage temperature
Input voltage
Output voltage
Power supply voltage
Power dissipation per package
Output short circuit current
Symbol
Ta
Tstg
V
I
V
O
V
CC
P
D
I
OS
Ta = 25°C
—
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
10
Unit
°C
°C
V
V
V
W
mA
RECOMMENDED OPERATING CONDITIONS
(Ta = 0 to 70°C)
Parameter
V
CC
power supply voltage
Input “H” level
Input “L” level
Symbol
V
CC
V
IH
V
IL
V
CC
= 3.0 to 3.6 V
Condition
Min.
3.0
2.2
–0.5∗∗
Typ.
—
—
—
Max.
3.6
V
CC
+0.5∗
0.6
Unit
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.
PIN CAPACITANCE
(V
CC
= 3.3 V, Ta = 25°C, f = 1 MHz)
Parameter
Input
BYTE#
Output
Symbol
C
IN1
C
IN2
C
OUT
Condition
V
I
= 0 V
V
O
= 0 V
Min.
—
—
—
Typ.
—
—
—
Max.
10
120
10
pF
Unit
3/8
FEDR27V1652L-02-01
OKI Semiconductor
MR27V1652L / P2ROM
ELECTRICAL CHARACTERISTICS
DC Characteristics
(V
CC
= 3.0 V to 3.6 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)
Input “H” level
Input “L” level
Output “H” level
Output “L” level
Symbol
I
LI
I
LO
I
CCSC
I
CCST
I
CCA
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,
f = 5MHz
—
—
I
OH
= –1 mA
I
OL
= 2 mA
Min.
—
—
—
—
—
2.2
–0.5∗∗
2.4
—
Typ.
—
—
—
—
—
—
—
—
—
Max.
10
10
10
1
60
V
CC
+0.5∗
0.6
—
0.4
Unit
µA
µA
µA
mA
mA
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
= 3.0 V to 3.6 V, Ta = 0 to 70°C)
Parameter
Address cycle time
Address access time
Page cycle time
Page access time
CE# access time
OE# access time
Output disable time
Output hold time
Symbol
t
C
t
ACC
t
PC
t
PAC
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.
100
—
30
—
—
—
0
0
0
Max.
—
100
—
30
100
30
20
20
—
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
Measurement conditions
Input signal level --------------------------------------0 V/3 V
Input timing reference level-------------------------1/2Vcc
Output load ---------------------------------------------50 pF
Output timing reference level ----------------------1/2Vcc
Output load
Output
50 pF
(Including scope and jig)
4/8
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