CY7C139AV-25JC Cypress Semiconductor Corporation., CY7C139AV-25JC Datasheet

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CY7C139AV-25JC

Manufacturer Part Number
CY7C139AV-25JC
Description
Manufacturer
Cypress Semiconductor Corporation.
Datasheet
Cypress Semiconductor Corporation
Document #: 38-06051 Rev. *C
CY7C138AV CY7C139AV CY7C144AV CY7C145AV CY7C006AV CY7C016AV CY7C007AV CY7C017AV 3.3V 4K/8K/16K/32K x 8/9
Dual-Port Static RAM
Features
Logic Block Diagram
• True Dual-Ported memory cells which allow
• 4K/8K/16K/32K x 8 organizations
• 4K/8K/16K/32K x 9 organizations
• 0.35-micron CMOS for optimum speed/power
• High-speed access: 20/25 ns
• Low operating power
• Fully asynchronous operation
For the most recent information, visit the Cypress web site at www.cypress.com
Notes:
1. I/O
2. A
3. BUSY is an output in master mode and an input in slave mode.
A
A
CE
OE
R/W
SEM
BUSY
INT
R/W
CE
OE
I/O
simultaneous access of the same memory location
(CY7C0138AV/144AV/006AV/007AV)
(CY7C0139AV/145AV/016AV/017AV)
— Active: I
— Standby: I
0L
0L
L
0L
L
L
–A
–A
0
L
L
–A
L
0
L
L
–I/O
–I/O
[2]
[2]
L
11–14L
11–14L
11
[3]
for 4K devices; A
7
7/8L
for x8 devices; I/O
[1]
CC
SB3
= 115 mA (typical)
= 10 µA (typical)
12–15
0
8/9
–A
0
12
–I/O
for 8K devices; A
8
Address
for x9 devices.
Decode
12–15
0
–A
13
3901 North First Street
for 16K devices; A
Control
I/O
True Dual-Ported
Semaphore
RAM Array
Arbitration
Interrupt
M/S
0
–A
14
for 32K devices;
• Automatic power-down
• Expandable data bus to 16/18 bits or more using Master/
• On-chip arbitration logic
• Semaphores included to permit software handshaking
• INT flag for port-to-port communication
• Pin select for Master or Slave
• Commercial and Industrial Temperature Ranges
• Available in 68-pin PLCC (all) and 64-pin TQFP
• Pb-Free packages available
Slave chip select when using more than one device
between ports
(7C006AV & 7C144AV)
Control
I/O
3.3V 4K/8K/16K/32K x 8/9
San Jose
CY7C138AV/144AV/006AV
CY7C139AV/145AV/016AV
Dual-Port Static RAM
Address
Decode
12–15
CA 95134
CY7C007AV/017AV
12–15
8/9
Revised June 6, 2005
I/O
A
A
408-943-2600
0R
0R
0R
[3]
–A
–A
–I/O
BUSY
11–14R
11–14R
SEM
[2]
[2]
R/W
R/W
[1]
INT
OE
CE
CE
OE
7/8R
R
R
R
R
R
R
R
R
R
[+] Feedback

Related parts for CY7C139AV-25JC

CY7C139AV-25JC Summary of contents

Page 1

... CY7C138AV CY7C139AV CY7C144AV CY7C145AV CY7C006AV CY7C016AV CY7C007AV CY7C017AV 3.3V 4K/8K/16K/32K x 8/9 Dual-Port Static RAM Features • True Dual-Ported memory cells which allow simultaneous access of the same memory location • 4K/8K/16K/32K x 8 organizations (CY7C0138AV/144AV/006AV/007AV) • 4K/8K/16K/32K x 9 organizations (CY7C0139AV/145AV/016AV/017AV) • 0.35-micron CMOS for optimum speed/power • ...

Page 2

... PLCC Top View CY7C138AV ( CY7C139AV ( 2728 29 30 3132 68-Pin PLCC Top View ...

Page 3

... PLCC Top View CY7C006AV (16K CY7C007AV (32K CY7C016AV (16K CY7C017AV (32K CY7C138AV/144AV/006AV CY7C139AV/145AV/016AV CY7C007AV/017AV INT L BUSY L GND M/S BUSY R INT ...

Page 4

... CY7C138AV/144AV/006AV CY7C139AV/145AV/016AV CY7C007AV/017AV -20 20 120 35 10 µA CY7C138AV/144AV/006AV CY7C139AV/145AV/016AV CY7C007AV/017AV INT L BUSY L GND M/S BUSY R INT CY7C138AV/144AV/006AV CY7C139AV/145AV/016AV CY7C007AV/017AV -25 25 115 30 10 µA Page [+] Feedback ...

Page 5

... GND Ground NC No Connect Architecture The CY7C138AV/144AV/006AV/007AV and CY7C139AV/ 145AV/016AV/017AV consist of an array of 4K, 8K, 16K, and 32K words of 8 and 9 bits each of dual-port RAM cells, I/O and address lines, and control signals (CE, OE, R/W). These control pins permit independent access for reads or writes to any location in memory ...

Page 6

... The operation of the interrupts and their interaction with Busy are summarized in Table 2. Busy The CY7C138AV/144AV/006AV/007AV and CY7C139AV/ 145AV/016AV/017AV provide on-chip arbitration to resolve simultaneous memory location access (contention). If both ports’ CEs are asserted and an address match occurs within ...

Page 7

... MHz 3.3V CC CY7C138AV/144AV/006AV CY7C139AV/145AV/016AV CY7C007AV/017AV Ambient Temperature V CC ° ° 3.3V ± 300 +70 C ° ° 3.3V ± 300 mV – +85 C CY7C138AV/144AV/006AV CY7C139AV/145AV/016AV CY7C007AV/017AV -25 Max. Min. Typ. Max. Unit 2.4 V 0.4 0.4 V 2.0 V 0.8 0.8 V µA 10 –10 10 175 115 165 mA 195 mA ...

Page 8

... HZCE LZCE HZOE CY7C138AV/144AV/006AV CY7C139AV/145AV/016AV CY7C007AV/017AV 3. 590Ω OUTPUT 435Ω (c) Three-State Delay (Load 2) (Used for & HZWE LZWE including scope and jig) -25 Max. Min. ...

Page 9

... SEM Address Access Time SAA Data Retention Mode The CY7C0138AV/144AV/006AV/007AV CY7C139AV/145AV/016AV/017AV are designed with battery backup in mind. Data retention voltage and supply current are guaranteed over temperature. The following rules ensure data retention: 1. Chip enable (CE) must be held HIGH during data retention, ...

Page 10

... To access semaphore Document #: 38-06051 Rev. *C [24, 25, 26 DATA VALID [24, 27, 28] t ACE t DOE t LZOE t LZCE LZCE t ABE t ACE t LZCE , SEM = CY7C138AV/144AV/006AV CY7C139AV/145AV/016AV CY7C007AV/017AV t OHA t HZCE t HZOE DATA VALID OHA t HZCE Page [+] Feedback ...

Page 11

... AW [32] t PWE [33] t HZWE t SD [29, 30, 31, 36 SCE LOW CE or SEM PWE CY7C138AV/144AV/006AV CY7C139AV/145AV/016AV CY7C007AV/017AV [33] t HZOE LZWE Note allow the I/O drivers to turn off and data HZWE SD Page [+] Feedback ...

Page 12

... Document #: 38-06051 Rev. *C [37] t SAA VALID ADRESS SCE SOP t SD DATA VALID PWE t SWRD t SOP WRITE CYCLE READ CYCLE [38, 39, 40] MATCH t SPS MATCH = CE = HIGH CY7C138AV/144AV/006AV CY7C139AV/145AV/016AV CY7C007AV/017AV t OHA t ACE DATA VALID OUT t DOE Page [+] Feedback ...

Page 13

... Timing Diagram of Read with BUSY (M/S=HIGH) ADDRESS R R/W R DATA ADDRESS L BUSY L DATA OUTL Write Timing with Busy Input (M/S=LOW) R/W BUSY Note: 41 LOW Document #: 38-06051 Rev. *C CY7C138AV/144AV/006AV CY7C139AV/145AV/016AV [41 MATCH t PWE t SD VALID MATCH t BLA t WDD t PWE CY7C007AV/017AV BHA ...

Page 14

... BUSY will be asserted. PS Document #: 38-06051 Rev. *C [42] ADDRESS MATCH BLC ADDRESS MATCH BLC [42 ADDRESS MISMATCH t t BLA BHA ADDRESS MISMATCH t t BLA BHA CY7C138AV/144AV/006AV CY7C139AV/145AV/016AV CY7C007AV/017AV t BHC t BHC Page [+] Feedback ...

Page 15

... INS INR L Document #: 38-06051 Rev [43 (See Functional Description) [44] t INR t WC [43 (See Functional Description) [44] t INR ) is deasserted first R asserted last. L CY7C138AV/144AV/006AV CY7C139AV/145AV/016AV CY7C007AV/017AV t RC READ FFF t RC READ FFE Page [+] Feedback ...

Page 16

... Left port obtains semaphore token 1 1 Semaphore free 1 0 Right port has semaphore token 1 1 Semaphore free 0 1 Left port has semaphore token 1 1 Semaphore free CY7C138AV/144AV/006AV CY7C139AV/145AV/016AV CY7C007AV/017AV Operation Right Port INT 0R–14R [45 ...

Page 17

... Thin Quad Flat Pack J81 68-Pin Plastic Leaded Chip Carrier A65 64-Pin Thin Quad Flat Pack A65 64-Pin Pb-Free Thin Quad Flat Pack J81 68-Pin Plastic Leaded Chip Carrier CY7C138AV/144AV/006AV CY7C139AV/145AV/016AV CY7C007AV/017AV 64-Pin TQFP X X Operating Range Commercial Commercial Operating ...

Page 18

... CY7C007AV–25JC 32K x9 3.3V Asynchronous Dual-Port SRAM Speed (ns) Ordering Code 20 CY7C017AV–20JC CY7C017AV–20JI 25 CY7C017AV–25JC Document #: 38-06051 Rev. *C CY7C138AV/144AV/006AV CY7C139AV/145AV/016AV Package Name Package Type J81 68-Pin Plastic Leaded Chip Carrier J81 68-Pin Plastic Leaded Chip Carrier Package Name Package Type J81 ...

Page 19

... The inclusion of Cypress products in life-support systems application implies that the manufacturer assumes all risk of such use and in doing so indemnifies Cypress against all charges. 68-Lead Plastic Leaded Chip Carrier J81 CY7C138AV/144AV/006AV CY7C139AV/145AV/016AV CY7C007AV/017AV 51-85046-*B 51-85005-*A ...

Page 20

... Document History Page Document Title: CY7C138AV/144AV/006AV/CY7C139AV/145AV/016AV/CY7C007AV/017AV 3.3V 4K/8K/16K/32K x 8/9 Dual Port SRAM Document Number: 38-06051 Issue Orig. of REV. ECN NO. Date Change ** 110203 12/02/01 SZV *A 122301 12/27/02 *B 237623 See ECN YDT *C 373615 See ECN PCX Document #: 38-06051 Rev. *C Description of Change Change from Spec number: 38-00837 to 38-06051 ...

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