UPD23C32040AL Datasheet PDF - NEC
| Part Number | UPD23C32040AL | |
| Description | (UPD23C32040AL / UPD23C32080AL) 32M-BIT MASK-PROGRAMMABLE ROM | |
| Manufacturers | NEC | |
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DATA SHEET
MOS INTEGRATED CIRCUIT
µPD23C32040AL, 23C32080AL
32M-BIT MASK-PROGRAMMABLE ROM
4M-WORD BY 8-BIT (BYTE MODE) / 2M-WORD BY 16-BIT (WORD MODE)
PAGE ACCESS MODE
Description
The µPD23C32040AL and µPD23C32080AL are 33,554,432 bits mask-programmable ROM. The word organization is
selectable (BYTE mode : 4,194,304 words by 8 bits, WORD mode : 2,097,152 words by 16 bits).
The active levels of OE (Output Enable Input) can be selected with mask-option.
The µPD23C32040AL and µPD23C32080AL are packed in 48-pin PLASTIC TSOP(I) and 44-pin PLASTIC SOP.
Features
• Word organization
4,194,304 words by 8 bits (BYTE mode)
2,097,152 words by 16 bits (WORD mode)
• Page access mode
BYTE mode : 8 byte random page access (µPD23C32040AL)
16 byte random page access (µPD23C32080AL)
WORD mode : 4 word random page access (µPD23C32040AL)
8 word random page access (µPD23C32080AL)
• Operating supply voltage : VCC = 2.7 V to 3.6 V
Operating supply
voltage
VCC
3.0 V ± 0.3 V
3.3 V ± 0.3 V
Access time /
Page access time
ns (MAX.)
100 / 25
90 / 25
Power supply current (Active mode)
mA (MAX.)
µPD23C32040AL µPD23C32080AL
40 55
Standby current
(CMOS level input)
µA (MAX.)
30
The information in this document is subject to change without notice. Before using this document, please
confirm that this is the latest version.
Not all products and/or types are available in every country. Please check with an NEC Electronics
sales representative for availability and additional information.
Document No. M15772EJ3V0DS00 (3rd edition)
Date Published February 2003 NS CP(K)
Printed in Japan
The mark shows major revised points.
2001
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µPD23C32040AL, 23C32080AL
44-pin PLASTIC SOP (15.24 mm (600))
[ µPD23C32040ALGX-xxx ]
[ µPD23C32080ALGX-xxx ]
Marking Side
NC
A18
A17
A7
A6
A5
A4
A3
A2
A1
A0
/CE
GND
/OE or OE or DC
O0
O8
O1
O9
O2
O10
O3
O11
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
44 A20
43 A19
42 A8
41 A9
40 A10
39 A11
38 A12
37 A13
36 A14
35 A15
34 A16
33 WORD, /BYTE
32 GND
31 O15, A−1
30 O7
29 O14
28 O6
27 O13
26 O5
25 O12
24 O4
23 VCC
A0 to A20
: Address inputs
O0 to O7, O8 to O14 : Data outputs
O15, A–1
: Data output 15 (WORD mode),
LSB Address input (BYTE mode)
WORD, /BYTE
: Mode select
/CE : Chip Enable
/OE or OE
: Output Enable
VCC : Supply voltage
GND
NC Note
: Ground
: No Connection
DC : Don’t Care
Note Some signals can be applied because this pin is not connected to the inside of the chip.
Remark Refer to Package Drawings for the 1-pin index mark.
Data Sheet M15772EJ3V0DS
5
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| Information | Total 24 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ UPD23C32040AL.PDF Datasheet ] | |
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