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CY7C4225-15AXCT PDF预览

CY7C4225-15AXCT

更新时间: 2024-01-18 02:26:11
品牌 Logo 应用领域
赛普拉斯 - CYPRESS 时钟先进先出芯片内存集成电路
页数 文件大小 规格书
22页 436K
描述
FIFO, 1KX18, 10ns, Synchronous, CMOS, PQFP64, 14 X 14 MM, LEAD FREE, PLASTIC, TQFP-64

CY7C4225-15AXCT 技术参数

是否Rohs认证: 符合生命周期:Obsolete
零件包装代码:QFP包装说明:LQFP, QFP64,.63SQ,32
针数:64Reach Compliance Code:unknown
ECCN代码:EAR99HTS代码:8542.32.00.71
风险等级:5.49最长访问时间:10 ns
其他特性:RETRANSMIT最大时钟频率 (fCLK):66.7 MHz
周期时间:15 nsJESD-30 代码:S-PQFP-G64
JESD-609代码:e4长度:14 mm
内存密度:18432 bit内存集成电路类型:OTHER FIFO
内存宽度:18湿度敏感等级:3
功能数量:1端子数量:64
字数:1024 words字数代码:1000
工作模式:SYNCHRONOUS最高工作温度:70 °C
最低工作温度:组织:1KX18
可输出:YES封装主体材料:PLASTIC/EPOXY
封装代码:LQFP封装等效代码:QFP64,.63SQ,32
封装形状:SQUARE封装形式:FLATPACK, LOW PROFILE
并行/串行:PARALLEL电源:5 V
认证状态:Not Qualified座面最大高度:1.6 mm
最大待机电流:0.01 A子类别:FIFOs
最大压摆率:0.045 mA最大供电电压 (Vsup):5.5 V
最小供电电压 (Vsup):4.5 V标称供电电压 (Vsup):5 V
表面贴装:YES技术:CMOS
温度等级:COMMERCIAL端子面层:Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式:GULL WING端子节距:0.8 mm
端子位置:QUAD宽度:14 mm
Base Number Matches:1

CY7C4225-15AXCT 数据手册

 浏览型号CY7C4225-15AXCT的Datasheet PDF文件第1页浏览型号CY7C4225-15AXCT的Datasheet PDF文件第2页浏览型号CY7C4225-15AXCT的Datasheet PDF文件第4页浏览型号CY7C4225-15AXCT的Datasheet PDF文件第5页浏览型号CY7C4225-15AXCT的Datasheet PDF文件第6页浏览型号CY7C4225-15AXCT的Datasheet PDF文件第7页 
CY7C4425/4205/4215  
CY7C4225/4235/4245  
Selection Guide  
Description  
-10  
100  
8
-15  
66.7  
10  
15  
4
-25  
40  
15  
25  
6
-35  
28.6  
20  
35  
7
Maximum Frequency (MHz)  
Maximum Access Time (ns)  
Minimum Cycle Time (ns)  
10  
3
Minimum Data or Enable Set-Up (ns)  
Minimum Data or Enable Hold (ns)  
Maximum Flag Delay (ns)  
0.5  
8
1
1
2
10  
45  
50  
15  
45  
50  
20  
45  
50  
Operating Current (ICC2) (mA) @ 20MHz  
Commercial  
Industrial  
45  
50  
Parameter  
Density  
CY7C4425  
64 x 18  
CY7C4205  
CY7C4215  
512 x 18  
CY7C4225  
1K x 18  
CY7C4235  
2K x 18  
CY7C4245  
4K x 18  
256 x 18  
Packages  
64-pin TQFP  
64-pin TQFP  
64-pin TQFP  
64-pin TQFP  
64-pin TQFP  
64-pin TQFP  
(14 x 14, 10 x 10) (14 x 14, 10 x 10) (14 x 14, 10 x 10) (14 x 14, 10 x 10) (14 x 14, 10 x 10) (14 x 14, 10 x 10)  
68-pin PLCC  
(10 x 10)  
68-pin PLCC  
(10 x 10)  
68-pin PLCC  
(10 x 10)  
68-pin PLCC  
(10 x 10)  
68-pin PLCC  
(10 x 10)  
68-pin PLCC  
(10 x 10)  
Pin Definitions  
Signal Name  
Description  
IO  
Function  
D017  
Q017  
WEN  
REN  
Data Inputs  
Data Outputs  
Write Enable  
Read Enable  
Write Clock  
I
O
I
Data inputs for an 18-bit bus.  
Data outputs for an 18-bit bus.  
Enables the WCLK input.  
Enables the RCLK input.  
I
WCLK  
I
The rising edge clocks data into the FIFO when WEN is LOW and the FIFO is not Full.  
When LD is asserted, WCLK writes data into the programmable flag-offset register.  
RCLK  
Read Clock  
I
The rising edge clocks data out of the FIFO when REN is LOW and the FIFO is not  
Empty. When LD is asserted, RCLK reads data out of the programmable flag-offset  
register.  
WXO/HF  
Write Expansion  
Out/Half Full Flag  
O
Dual-Mode Pin. Single device or width expansion - Half Full status flag. Cascaded – Write  
Expansion Out signal, connected to WXI of next device.  
EF  
Empty Flag  
Full Flag  
O
O
O
When EF is LOW, the FIFO is empty. EF is synchronized to RCLK.  
When FF is LOW, the FIFO is full. FF is synchronized to WCLK.  
FF  
PAE  
Programmable  
Almost Empty  
When PAE is LOW, the FIFO is almost empty based on the almost empty offset value  
programmed into the FIFO. PAE is asynchronous when VCC/SMODE is tied to VCC  
;
it is synchronized to RCLK when VCC/SMODE is tied to VSS  
.
PAF  
Programmable  
Almost Full  
O
When PAF is LOW, the FIFO is almost full based on the almost full offset value  
programmed into the FIFO. PAF is asynchronous when VCC/SMODE is tied to VCC  
;
it is synchronized to WCLK when VCC/SMODE is tied to VSS  
.
LD  
Load  
I
I
When LD is LOW, D017 (O017) are written (read) into (from) the program-  
mable-flag-offset register.  
FL/RT  
First Load/  
Retransmit  
Dual-Mode Pin. Cascaded – The first device in the daisy chain will have FL tied to VSS  
;
all other devices will have FL tied to VCC. In standard mode of width expansion, FL  
is tied to VSS on all devices. Not Cascaded – Tied to VSS. Retransmit function is also  
available in standalone mode by strobing RT.  
WXI  
RXI  
Write Expansion  
Input  
I
I
Cascaded – Connected to WXO of previous device. Not Cascaded – Tied to VSS  
.
Read Expansion  
Input  
Cascaded – Connected to RXO of previous device. Not Cascaded – Tied to VSS  
.
Document Number: 001-45652 Rev. *A  
Page 3 of 22  
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