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參數資料
| 型號： | CY7C019V-25AC |
| 廠商： | CYPRESS SEMICONDUCTOR CORP |
| 元件分類： | DRAM |
| 英文描述： | 3.3V 64K/128K x 8/9 Dual-Port Static RAM |
| 中文描述： | 128K X 9 DUAL-PORT SRAM, 25 ns, PQFP100 |
| 封裝： | PLASTIC, TQFP-100 |
| 文件頁數： | 1/18頁 |
| 文件大小： | 222K |
| 代理商： | CY7C019V-25AC |
3.3V 64K/128K x 8/9
Dual-Port Static RAM
CY7C008V/009V
CY7C018V/019V
Cypress Semiconductor Corporation
Document #: 38-06044 Rev. *B
3901 North First Street
San Jose
CA 95134
Revised December 27, 2002
408-943-2600
25/0251
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: 15/20/25 ns
Low operating power
—
Active: I
CC
= 115 mA (typical)
—
Standby: I
SB3
= 10
μ
A (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 flag 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.
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
[1]
[1]
[2]
[2]
[3]
[3]
[2]
[2]
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
For the most recent information, visit the Cypress web site at www.cypress.com
相關PDF資料 |
PDF描述 |
|---|---|
| CY7C019 | 64K/128K x 8/9 Dual-Port Static RAM |
| CY7C008-20AC | 64K/128K x 8/9 Dual-Port Static RAM |
| CY7C009 | 64K/128K x 8/9 Dual-Port Static RAM |
| CY7C009-12AC | 64K/128K x 8/9 Dual-Port Static RAM |
| CY7C009-15AC | 64K/128K x 8/9 Dual-Port Static RAM |
相關代理商/技術參數 |
參數描述 |
|---|---|
| CY7C019V-25AXC | 功能描述:靜態隨機存取存儲器 3.3V 128Kx9 COM Async Dual Port 靜態隨機存取存儲器 RoHS:否 制造商:Cypress Semiconductor 存儲容量:16 Mbit 組織:1 M x 16 訪問時間:55 ns 電源電壓-最大:3.6 V 電源電壓-最小:2.2 V 最大工作電流:22 uA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風格:SMD/SMT 封裝 / 箱體:TSOP-48 封裝:Tray |
| CY7C024 | 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:4K x 16/18 and 8K x 16/18 Dual-Port Static RAM with SEM, INT, BUSY |
| CY7C024_0411 | 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:4K x 16/18 and 8K x 16/18 Dual-Port Static RAM with SEM, INT, BUSY |
| CY7C024_09 | 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:4K x 16/18 and 8K x 16/18 Dual-Port Static RAM with SEM, INT, BUSY |
| CY7C0241 | 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:4K x 16/18 and 8K x 16/18 Dual-Port Static RAM with SEM, INT, BUSY |
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