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PUMA84S32000LI-012 Datasheet

  • PUMA84S32000LI-012

  • SRAM|1MX32|CMOS|LDCC|84PIN|PLASTIC

  • 142.20KB

  • 8頁

  • ETC

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Description
1M x 32 SRAM MODULE
PUMA 84S32000 - 012/015/020
Issue 2.0 : March 2002
Features
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Very fast access times of 12/15/20 ns .
JEDEC 84 'J' leaded plastic Surface Mount
Package.
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Single 5V鹵10% Power supply.
User Configurable as 8 / 16 / 32 bit wide output.
Operating Power
Low Power Standby
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Fully Static operation.
Multiple ground pins for maximum noise immunity.
(32-BIT)
CMOS
5.28 W (max)
550 mW (max)
Elm Road, West Chirton Industrial Estate, North Shields,
NE29 8SE, ENGLAND. TEL +44 (0191) 2930500. FAX +44
(0191) 2590997
The PUMA 84S32000 is a 32Mbit CMOS High Speed
Static RAM organised as 1M x 32 in a JEDEC 84 pin
surface mount J-leaded PLCC, available with access
times of 12, 15, and 20ns. The output width is user
configurable as 8, 16 or 32 bits using eight Chip Selects
(CS1~8).
The device features low power standby, multiple ground
pins for maximum noise immunity and TTL compatible
inputs and outputs. The PUMA 84S32000 offers a
dramatic space saving advantage over eight standard
512Kx8 devices.
Block Diagram
A0 - A18
WE
OE
512K x 8
SRAM
CS1
512K x 8
SRAM
CS2
512K x 8
SRAM
CS3
D0 - D7
CS5
512K x 8
SRAM
512K x 8
SRAM
D0 - D7
Pin Definition
NC
NC
D16
A18
A17
CS4
CS3
CS2
CS1
NC
VCC
CS8
CS7
CS6
CS5
OE
WE
A16
A15
A14
D15
11 10 9
8
7
6
5
4
3
2
1 84 83 82 81 80 79 78 77 76 75
74
73
72
71
70
69
68
D8 - D15
CS6
D8 - D15
D16 - D23
CS7
512K x 8
SRAM
D16 - D23
512K x 8
SRAM
CS4
D24 - D31
CS8
512K x 8
SRAM
D24 - D31
NC
NC
D17
D18
D19
GND
D20
D21
D22
D23
VCC
D24
D25
D26
D27
GND
D28
D29
D30
NC
NC
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53
PUMA 84S32000
VIEW
FROM
ABOVE
67
66
65
64
63
62
61
60
59
58
57
56
55
54
NC
NC
D14
D13
D12
GND
D11
D10
D9
D8
VCC
D7
D6
D5
D4
GND
D3
D2
D1
NC
NC
NC
NC
D31
A6
A5
A4
A3
A2
A1
A0
VCC
Pin Functions
Address Inputs
Data Input/Output
Chip Select
Write Enable
Output Enable
No Connect
Power (+5V)
Ground
A0 ~ A18
D0 ~ D31
CS1 ~ 8
WE
OE
NC
V
CC
GND
Package Details
Plastic 84 J-Leaded JEDEC PLCC
A13
A12
A11
A10
A9
A8
A7
D0
NC
NC

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