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参数资料
| 型号： | CY7C4225-15JI |
| 厂商： | CYPRESS SEMICONDUCTOR CORP |
| 元件分类： | DRAM |
| 英文描述： | 64/256/512/1K/2K/4K x18 Low-Voltage Synchronous FIFOs |
| 中文描述： | 1K X 18 OTHER FIFO, 10 ns, PQCC68 |
| 封装： | PLASTIC, LCC-68 |
| 文件页数： | 6/25页 |
| 文件大小： | 409K |
| 代理商： | CY7C4225-15JI |
CY7C4425/4205/4215
CY7C4225/4235/4245
6
t
PAFsynch
Clock to Programmable Almost-Full Flag
(Synchronous mode, V
CC
/SMODE tied to V
SS
)
Clock to Programmable Almost-Empty Flag
[12]
(Asynchronous mode, V
CC
/SMODE tied to V
CC
)
Clock to Programmable Almost-Full Flag
(Synchronous mode, V
CC
/SMODE tied to V
SS
)
Clock to Half-Full Flag
Clock to Expansion Out
Expansion in Pulse Width
Expansion in Set-Up Time
Skew Time between Read Clock and Write
Clock for Full Flag
Skew Time between Read Clock and Write
Clock for Empty Flag
Skew Time between Read Clock and Write
Clock for Programmable Almost Empty and Pro-
grammable Almost Full Flags.
8
10
15
20
ns
t
PAEasynch
12
16
20
25
ns
t
PAEsynch
8
10
15
20
ns
t
HF
t
XO
t
XI
t
XIS
t
SKEW1
12
7
16
10
20
15
25
20
ns
ns
ns
ns
ns
3
6.5
5
6
10
10
10
14
15
12
4.5
5
t
SKEW2
5
6
10
12
ns
t
SKEW3
10
15
18
20
ns
Switching Characteristics
Over the Operating Range (continued)
Parameter
Description
7C42X5-10
Min.
7C42X5-15
Min.
7C42X5-25
Min.
7C42X5-35
Min.
Max.
Max.
Max.
Max.
Unit
Switching Waveforms
Notes:
10. Pulse widths less than minimum values are not allowed.
11.
Values guaranteed by design, not currently tested.
12.
PAFasynch
, t
, after program register write will not be valid until 5 ns + t
.
13. t
is the minimum time between a rising RCLK edge and a rising WCLK edge to guarantee that FF will go HIGH during the current clock cycle. If the time between the
rising edge of RCLK and the rising edge of WCLK is less than t
SKEW1
, then FF may not change state until the next WCLK edge.
Write Cycle Timing
t
CLKH
t
CLKL
NO OPERATION
t
DS
t
SKEW1
t
ENS
WEN
t
CLK
t
DH
t
WFF
t
WFF
t
ENH
WCLK
D
0
–D
17
FF
REN
RCLK
42X5–6
[13]
相关PDF资料 |
PDF描述 |
|---|---|
| CY7C4225-25AC | 64/256/512/1K/2K/4K x18 Low-Voltage Synchronous FIFOs |
| CY7C4225-25AI | 64/256/512/1K/2K/4K x18 Low-Voltage Synchronous FIFOs |
| CY7C4225-25ASC | 64/256/512/1K/2K/4K x18 Low-Voltage Synchronous FIFOs |
| CY7C4225-25ASI | 64/256/512/1K/2K/4K x18 Low-Voltage Synchronous FIFOs |
| CY7C4225-25JC | 64/256/512/1K/2K/4K x18 Low-Voltage Synchronous FIFOs |
相关代理商/技术参数 |
参数描述 |
|---|---|
| CY7C422525AC | 制造商:Cypress Semiconductor 功能描述: |
| CY7C4225-25AC | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| CY7C4225-25JC | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| CY7C4225V-15ASC | 功能描述:IC SYNC FIFO MEM 1KX18 64LQFP RoHS:否 类别:集成电路 (IC) >> 逻辑 - FIFO 系列:CY7C 标准包装:15 系列:74F 功能:异步 存储容量:256（64 x 4） 数据速率:- 访问时间:- 电源电压:4.5 V ~ 5.5 V 工作温度:0°C ~ 70°C 安装类型:通孔 封装/外壳:24-DIP（0.300"，7.62mm） 供应商设备封装:24-PDIP 包装:管件 其它名称:74F433 |
| CY7C4225V-15ASXC | 功能描述:先进先出 1K X18 LO VLTG SYNC 先进先出 COM RoHS:否 制造商:IDT 电路数量: 数据总线宽度:18 bit 总线定向:Unidirectional 存储容量:4 Mbit 定时类型:Synchronous 组织:256 K x 18 最大时钟频率:100 MHz 访问时间:10 ns 电源电压-最大:3.6 V 电源电压-最小:6 V 最大工作电流:35 mA 最大工作温度:+ 85 C 封装 / 箱体:TQFP-80 封装: |
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