CY7C1009B-25VC Cypress Semiconductor Corporation., CY7C1009B-25VC Datasheet

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CY7C1009B-25VC

Manufacturer Part Number
CY7C1009B-25VC
Description
128K x 8 static RAM, 5V, 25ns
Manufacturer
Cypress Semiconductor Corporation.
Datasheet
Cypress Semiconductor Corporation
Document #: 38-05038 Rev. *A
Features
Functional Description
The CY7C109B / CY7C1009B is a high-performance CMOS
static RAM organized as 131,072 words by 8 bits. Easy mem-
ory expansion is provided by an active LOW Chip Enable
(CE
Selection Guide
Note:
Maximum Access Time (ns)
Maximum Operating Current (mA)
Maximum CMOS Standby Current (mA)
Maximum CMOS Standby Current (mA)
Low Power Version
1.
• High speed
• Low active power
• Low CMOS standby power
• 2.0V Data Retention
• Automatic power-down when deselected
• TTL-compatible inputs and outputs
• Easy memory expansion with CE
CE
CE
WE
OE
Logic Block Diagram
— t
— 495 mW (max. 12 ns)
— 55 mW (max.) 4 mW
1
2
1
For guidelines on SRAM system design, please refer to the ‘System Design Guidelines’ Cypress application note, available on the internet at www.cypress.com.
), an active HIGH Chip Enable (CE
A
A
A
A
A
A
A
A
A
0
1
2
3
4
5
6
7
8
AA
= 12 ns
INPUT BUFFER
512 x 256 x 8
DECODER
COLUMN
ARRAY
[1]
1
POWER
DOWN
, CE
2
), an active LOW Out-
2
, and OE options
7C1009B-12
7C109B-12
3901 North First Street
12
90
10
2
7C1009B-15
7C109B-15
put Enable (OE), and three-state drivers. Writing to the device
is accomplished by taking Chip Enable One (CE
Enable (WE) inputs LOW and Chip Enable Two (CE
HIGH. Data on the eight I/O pins (I/O
written into the location specified on the address pins (A
through A
Reading from the device is accomplished by taking Chip En-
able One (CE
Write Enable (WE) and Chip Enable Two (CE
these conditions, the contents of the memory location speci-
fied by the address pins will appear on the I/O pins.
The eight input/output pins (I/O
high-impedance state when the device is deselected (CE
HIGH or CE
during a write operation (CE
The CY7C109B is available in standard 400-mil-wide SOJ and
32-pin TSOP type I packages. The CY7C1009B is available in
a 300-mil-wide SOJ package. The CY7C1009B and
CY7C109B are functionally equivalent in all other respects.
15
80
10
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
2
0
1
2
3
4
5
6
7
CE
V
A
A
WE
A
A
A
A
NC
CC
A
A
A
A
A
A
11
13
15
16
14
12
9
8
2
7
6
5
4
16
San Jose
).
2
7C1009B-20
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
7C109B-20
LOW), the outputs are disabled (OE HIGH), or
1
) and Output Enable (OE) LOW while forcing
20
75
10
2
128K x 8 Static RAM
Pin Configurations
GND
I/O
I/O
I/O
A
A
A
NC
A
A
A
A
A
A
A
A
16
14
12
7
6
5
4
3
2
1
0
0
1
2
(not to scale)
1
CA 95134
Top View
LOW, CE
Top View
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
7C1009B-25
TSOP I
7C109B-25
0
SOJ
Revised September 13, 2002
through I/O
25
70
10
-
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
2
0
CY7C1009B
HIGH, and WE LOW).
CE
A
CE
I/O
I/O
I/O
I/O
I/O
through I/O
V
A
WE
A
A
A
OE
A
10
CC
15
13
8
9
11
CY7C109B
7
6
5
4
3
2
1
109B–2
7
) are placed in a
2
7C1009B-35
408-943-2600
) HIGH. Under
7C109B-35
1
) and Write
35
60
10
7
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
-
) is then
2
) input
OE
A
CE
I/O
I/O
I/O
I/O
I/O
GND
I/O
I/O
I/O
A
A
A
A
10
0
1
2
3
7
6
5
4
3
2
1
0
0
1

Related parts for CY7C1009B-25VC

CY7C1009B-25VC Summary of contents

Page 1

... CE , and OE options 1 2 HIGH or CE during a write operation (CE The CY7C109B is available in standard 400-mil-wide SOJ and 32-pin TSOP type I packages. The CY7C1009B is available in a 300-mil-wide SOJ package. The CY7C1009B and CY7C109B are functionally equivalent in all other respects active LOW Out- 2 I/O 0 I/O ...

Page 2

... IH V < MAX Max > V – 0.3V < 0.3V > V – 0.3V < 0.3V CY7C109B CY7C1009B Ambient Temperature + +85 C 7C109B-12 7C109B-15 7C1009B-12 7C1009B-15 Max. Min. 2.4 2.4 0.4 2 0.3 0.8 –0.3 –1 +1 –1 –5 +5 –5 –300 ...

Page 3

... V > V – 0.3V < 0.3V Test Conditions MHz 5. 480 5V R2 GND 5 pF 255 INCLUDING JIG AND SCOPE (b) 1.73V CY7C109B CY7C1009B 7C109B-20 7C109B-25 7C109B-35 7C1009B-25 7C1009B-35 Max. Min. Max. Min. 2.4 2.4 2.4 0.4 0.4 2.2 V 2 0.3 + 0.3 0.8 –0.3 0.8 –0.3 –1 +1 – ...

Page 4

... LOW HIGH to Write End less than less than t HZCE LZCE HZOE LZOE LOW, CE HIGH, and WE LOW CY7C109B CY7C1009B 7C109B-15 7C1009B-15 Max. Min. Max ...

Page 5

... Over the Operating Range (Low Power version only) Conditions No input may exceed 2.0V > V – 0. > V – 0. CY7C109B CY7C1009B 7C109B-25 7C109B-35 7C1009B-25 7C1009B-35 Min. Max. Min. Min ...

Page 6

... Document #: 38-05038 Rev. *A DATA RETENTION MODE 4.5V V > CDR OHA ACE t DOE t LZOE 50 transition LOW and CE transition HIGH CY7C109B CY7C1009B 4. DATA VALID t HZOE t HZCE IMPEDANCE DATA VALID t PD 50% HIGH Page ...

Page 7

... During this period the I/Os are in the output state and input signals should not be applied. Document #: 38-05038 Rev. *A [13, 14 SCE SCE PWE t SD DATA VALID [13, 14 SCE t SCE PWE t SD DATA VALID IN CY7C109B CY7C1009B Page ...

Page 8

... H H High Z Document #: 38-05038 Rev. *A [14 SCE t SCE PWE t HZWE I/O –I Power-Down Power-Down Read Write Selected, Outputs Disabled CY7C109B CY7C1009B DATA VALID t LZWE Mode Power Standby (I Standby (I Active (I CC Active (I CC Active ( ...

Page 9

... CY7C109B-15VC CY7C109BL-15VC CY7C1009B-15VC CY7C109B-15ZC CY7C109BL-15ZC CY7C109B-15VI CY7C109BL-15VI CY7C1009B-15VI CY7C109B-15ZI 20 CY7C109B-20VC CY7C1009B-20VC CY7C109B-20VI CY7C109B-20ZC CY7C109B-20ZI 25 CY7C109B-25VC CY7C1009B-25VC CY7C109B-25VI CY7C109B-25ZC CY7C109B-25ZI 35 CY7C109B-35VC CY7C1009B-35VC CY7C109B-35VI Document #: 38-05038 Rev. *A Package Name Package Type V33 32-Lead (400-Mil) Molded SOJ V32 32-Lead (300-Mil) Molded SOJ Z32 32-Lead TSOP Type I ...

Page 10

... Package Diagrams Document #: 38-05038 Rev. *A 32-Lead (300-Mil) Molded SOJ V32 32-Lead (400-Mil) Molded SOJ V33 CY7C109B CY7C1009B 51-85041-*A 51-85033-*B Page ...

Page 11

... 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. CY7C109B CY7C1009B 51-85056-*D Page ...

Page 12

... Document Title: CY7C109B, CY7C1009 128K x 8 SRAM Document Number: 38-05038 Issue REV. ECN NO. Date ** 106832 09/22/01 *A 116467 09/16/02 Document #: 38-05038 Rev. *A Orig. of Change Description of Change SZV Change from Spec number: 38-00971 to 38-05038 CEA Add applications foot note to data sheet, page 1 CY7C109B CY7C1009B Page ...

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