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參數資料
| 型號： | CY7C018-20AC |
| 廠商： | CYPRESS SEMICONDUCTOR CORP |
| 元件分類： | DRAM |
| 英文描述： | 64K/128K x 8/9 Dual-Port Static RAM |
| 中文描述： | 64K X 9 DUAL-PORT SRAM, 20 ns, PQFP100 |
| 封裝： | PLASTIC, TQFP-100 |
| 文件頁數： | 1/19頁 |
| 文件大小： | 537K |
| 代理商： | CY7C018-20AC |
64K/128K x 8/9 Dual-Port Static RAM
CY7C008/009
CY7C018/019
Cypress Semiconductor Corporation
3901 North First Street
San Jose
CA 95134
408-943-2600
Document #: 38-06041 Rev. *C
Revised June 22, 2004
Features
True Dual-Ported memory cells which allow simulta-
neous access of the same memory location
64K x 8 organization (CY7C008)
128K x 8 organization (CY7C009)
64K x 9 organization (CY7C018)
128K x 9 organization (CY7C019)
0.35-micron CMOS for optimum speed/power
High-speed access: 12
[1]
/15/20 ns
Low operating power
—
Active: I
CC
= 180 mA (typical)
—Standby: I
SB3
= 0.05 mA (typical)
Fully asynchronous operation
Automatic power-down
Expandable data bus to 16/18 bits or more using Mas-
ter/Slave chip select when using more than one device
On-chip arbitration logic
Semaphores included to permit software handshaking
between ports
INT flags for port-to-port communication
Dual Chip Enables
Pin select for Master or Slave
Commercial and Industrial temperature ranges
Available in 100-pin TQFP
Notes:
1.
2.
3.
4.
See page 6 for Load Conditions.
I/O
0
–I/O
for x8 devices; I/O
0
–I/O
for x9 devices.
A
–A
for 64K devices; A
–A
for 128K.
BUSY is an output in master mode and an input in slave mode.
I/O
Control
Address
Decode
A
0L
–A
15/16L
CE
L
OE
L
R/W
L
SEM
L
BUSY
L
INT
L
I/O
Control
Interrupt
Semaphore
Arbitration
M/S
Logic Block Diagram
A
0L
–A
15/16L
True Dual-Ported
RAM Array
A
0R
–A
15/16R
CE
R
OE
R
R/W
R
SEM
R
BUSY
R
INT
R
Address
Decode
A
0R
–A
15/16R
[2]
[2]
[3]
[4]
[4]
[3]
R/W
L
CE
0L
CE
1L
OE
L
I/O
0L
–I/O
7/8L
CE
L
R/W
R
CE
0R
CE
1R
OE
R
I/O
0R
–I/O
7/8R
CE
R
16/17
8/9
16/17
8/9
16/17
16/17
CY7C008/009
相關PDF資料 |
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|---|---|
| CY7C019-12AC | 64K/128K x 8/9 Dual-Port Static RAM |
| CY7C019-15AC | 64K/128K x 8/9 Dual-Port Static RAM |
| CY7C019-20AC | 64K/128K x 8/9 Dual-Port Static RAM |
| CY7C019-20AI | 64K/128K x 8/9 Dual-Port Static RAM |
| CY7C008-12AC | 64K/128K x 8/9 Dual-Port Static RAM |
相關代理商/技術參數 |
參數描述 |
|---|---|
| CY7C018V | 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:3.3V 64K/128K x 8/9 Dual-Port Static RAM |
| CY7C018V-15AC | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x9 Dual-Port SRAM |
| CY7C018V-20AC | 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:3.3V 64K/128K x 8/9 Dual-Port Static RAM |
| CY7C018V-25AC | 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:3.3V 64K/128K x 8/9 Dual-Port Static RAM |
| CY7C019 | 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:64K/128K x 8/9 Dual-Port Static RAM |
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