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1997
MOS INTEGRATED CIRCUIT
PD442000L-X
2M-BIT CMOS STATIC RAM
256K-WORD BY 8-BIT
EXTENDED TEMPERATURE OPERATION
DATA SHEET
Document No. M12509EJ7V0DSJ1 (7th edition)
Date Published December 2000 NS CP (K)
Printed in Japan
The mark
shows major revised points.
Description
The
PD442000L-X is a high speed, low power, 2,097,152 bits (262,144 words by 8 bits) CMOS static RAM.
The
PD442000L-X has two chip enable pins (/CE1, CE2) to extend the capacity. And battery backup is available.
B, C and D versions are low voltage versions.
The
PD442000L-X is packed in 32-pin plastic TSOP (I) (8
13.4 mm) and (8
20 mm).
Features
262,144 words by 8 bits organization
Fast access time : 70, 85, 100, 120, 150, 180 ns (MAX.)
Low voltage operation
(B version : V
CC
= 2.7 to 3.6 V, C version : V
CC
= 2.2 to 3.6 V, D version : V
CC
= 1.8 to 3.6 V)
Low V
CC
data retention : 1.5 V (MIN.)
Operating ambient temperature : T
A
= 25 to +85 C
Output Enable input for easy application
Two Chip Enable inputs : /CE1, CE2
Part number
Access time
Operating supply Operating ambient
Supply current
ns (MAX.)
voltage
temperature
At operating
At standby
At data retention
V
C
mA (MAX.)
A (MAX.)
A (MAX.)
PD442000L-BxxX
70
Note
, 85, 100
2.7 to 3.6
-
25 to +85
35
2
2
PD442000L-CxxX
100, 120, 150
2.2 to 3.6
30
PD442000L-DxxX
150, 180
1.8 to 3.6
25
Note Under development
5
5
5
Data Sheet M12509EJ7V0DS
3
PD442000L-X
Pin Configurations (Marking Side)
/xxx indicates active low signal.
32-pin Plastic TSOP (I) (8
13.4) (Normal bent)
[
PD442000LGU-BxxX-9JH ]
[
PD442000LGU-CxxX-9JH ]
[
PD442000LGU-DxxX-9JH ]
32-pin Plastic TSOP (I) (8
20) (Normal bent)
[
PD442000LGZ-BxxX-KJH ]
[
PD442000LGZ-CxxX-KJH ]
[
PD442000LGZ-DxxX-KJH ]
A11
A9
A8
A13
/WE
CE2
A15
V
CC
A17
A16
A14
A12
A7
A6
A5
A4
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
/OE
A10
/CE1
I/O8
I/O7
I/O6
I/O5
I/O4
GND
I/O3
I/O2
I/O1
A0
A1
A2
A3
A0 - A17
: Address inputs
I/O1 - I/O8
: Data inputs / outputs
/CE1, CE2
: Chip Enable 1, 2
/WE
: Write Enable
/OE
: Output Enable
V
CC
: Power supply
GND
: Ground
Remark Refer to Package Drawings for the 1-pin index mark.
5
Data Sheet M12509EJ7V0DS
4
PD442000L-X
32-pin Plastic TSOP (I) (8
13.4) (Reverse bent)
[
PD442000LGU-BxxX-9KH ]
[
PD442000LGU-CxxX-9KH ]
[
PD442000LGU-DxxX-9KH ]
32-pin Plastic TSOP (I) (8
20) (Reverse bent)
[
PD442000LGZ-BxxX-KKH ]
[
PD442000LGZ-CxxX-KKH ]
[
PD442000LGZ-DxxX-KKH ]
/OE
A10
/CE1
I/O8
I/O7
I/O6
I/O5
I/O4
GND
I/O3
I/O2
I/O1
A0
A1
A2
A3
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
A11
A9
A8
A13
/WE
CE2
A15
V
CC
A17
A16
A14
A12
A7
A6
A5
A4
A0 - A17
: Address inputs
I/O1 - I/O8
: Data inputs / outputs
/CE1, CE2
: Chip Enable 1, 2
/WE
: Write Enable
/OE
: Output Enable
V
CC
: Power supply
GND
: Ground
Remark Refer to Package Drawings for the 1-pin index mark.
5
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