cym1730 Cypress Semiconductor Corporation., cym1730 Datasheet

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cym1730

Manufacturer Part Number
cym1730
Description
64k X 24 Static Ram Module
Manufacturer
Cypress Semiconductor Corporation.
Datasheet
Features
Functional Description
The CYM1730 is a high-performance 1.5M static RAM module
organized as 64K words by 24 bits. This module is constructed
Cypress Semiconductor Corporation
• High-density 1.5M SRAM module
• High-speed CMOS SRAMs
• 56-pin, 0.5-inch-high ZIP package
• Low active power
• SMD technology
• TTL-compatible inputs and outputs
• Commercial temperature range
• Small PCB footprint
Logic Block Diagram
A
— Access time of 25 ns
— 2.8W (max. for t
— 1.05 sq. in.
A
CS
0
15
– A
WE
OE
14
DECODER
1 OF 2
15
AA
= 25 ns)
32K x 8
32K x 8
32K x 8
SRAM
SRAM
SRAM
3901 North First Street
32K x 8
32K x 8
32K x 8
using six 32K x 8 static RAMs in SOJ packages mounted onto
an epoxy laminate board with pins.
Writing to the device is accomplished when the chip select
(CS) and write enable (WE) inputs are both LOW. Data on the
input/output pins (I/O
into the memory location specified on the address pins (A
through A
Reading the device is accomplished by taking the chip select
(CS) and output enable (OE) LOW while write enable (WE)
remains HIGH. Under these conditions, the contents of the
memory location specified on the address pins will appear on
the input/output pins.
The input/output pins remain in a high-impedance state unless
the module is selected, outputs are enabled, and write enable
is HIGH.
SRAM
SRAM
SRAM
64K x 24 Static RAM Module
15
8
8
8
).
San Jose
I/O
I/O
I/O
16
8
0
0
– I/O
– I/O
– I/O
through I/O
1730-1
July 1991 – Revised January 1995
15
7
23
CA 95134
I/O
I/O
I/O
I/O
I/O
I/O
I/O
GND
GND
GND
Pin Configuration
I/O
I/O
I/O
I/O
I/O
23
V
V
A
A
A
NC
NC
OE
CC
CC
A
A
A
A
A
11
13
15
11
13
15
17
19
21
23
) of the device is written
1
3
5
7
1
3
5
7
9
9
Top View
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42
44
46
48
50
52
54
56
CYM1730
ZIP
408-943-2600
11
13
15
17
19
21
23
25
27
29
31
33
35
37
39
41
43
45
47
49
51
53
55
1
3
5
7
9
1730-2
A
V
I/O
I/O
I/O
I/O
GND
A
A
A
A
CS
NC
I/O
I/O
I/O
I/O
GND
WE
A
A
A
GND
I/O
I/O
I/O
I/O
V
14
CC
CC
0
2
4
6
8
10
12
0
2
4
6
8
10
12
14
16
18
20
22
0

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cym1730 Summary of contents

Page 1

... AA • SMD technology • TTL-compatible inputs and outputs • Commercial temperature range • Small PCB footprint — 1.05 sq. in. Functional Description The CYM1730 is a high-performance 1.5M static RAM module organized as 64K words by 24 bits. This module is constructed Logic Block Diagram A – ...

Page 2

... Min. Duty Cycle = 100% Max > V – 0.2V > V – 0. < 0. Test Conditions MHz 5.0V CC power-up, otherwise CYM1730 1730– 510 510 180 180 Ambient Temperature + 10% Min. Max. Unit 2.4 V 0 ...

Page 3

... HZCS LZCS = part ( Test Loads and Waveforms. Transition is measured 500 mV from steady-state voltage. 3 CYM1730 ALL INPUT PULSES 90% 10% < 1730–30 1730–35 Min. Max. Min. Max ...

Page 4

... Data I/O will be high impedance OHA ACS t DOE t LZOE 50 SCS PWE t DATA VALID t HZWE and OE CYM1730 DATA VALID t HZOE t HZCS IMPEDANCE DATA VALID LZWE HIGH IMPEDANCE 1730-6 HIGH ICC ISB 1730-7 1730-8 ...

Page 5

... CYM1730PZ–35C Document #: 38–M–00049– SCS PWE t SD DATA VALID t HZWE Mode Operating Name Package Type PZ07 56-Pin ZIP Module Commercial PZ07 56-Pin ZIP Module Commercial PZ07 56-Pin ZIP Module Commercial 5 CYM1730 HIGH IMPEDANCE Range 1730-9 ...

Page 6

... The inclusion of Cypress Semiconductor products in life-support systems application implies that the manufacturer assumes all risk of such use and in doing so indemnifies Cypress Semiconductor against all charges. 56-Pin ZIP Module PZ07 2.990/3.010 2.750 REF CYM1730 .350 MAX. .485/.495 .125/.175 .100 REF ...

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