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| 型号： | IDT72V251L15PF |
| 厂商： | IDT, Integrated Device Technology Inc |
| 文件页数： | 1/14页 |
| 文件大小： | 0K |
| 描述： | IC FIFO SYNC 4096X18 15NS 32QFP |
| 标准包装： | 50 |
| 系列： | 72V |
| 功能： | 同步 |
| 存储容量： | 72K（4K x 18） |
| 数据速率： | 67MHz |
| 访问时间： | 15ns |
| 电源电压： | 3 V ~ 3.6 V |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 32-LQFP |
| 供应商设备封装： | 32-TQFP（7x7） |
| 包装： | 托盘 |
| 其它名称： | 72V251L15PF |
1
3.3 VOLT CMOS SyncFIFO
256 x 9, 512 x 9,
1,024 x 9, 2,048 x 9,
4,096 x 9 and 8,192 x 9
IDT72V201, IDT72V211
IDT72V221, IDT72V231
IDT72V241, IDT72V251
2013 Integrated Device Technology, Inc. All rights reserved. Product specifications subject to change without notice.
DSC-4092/6
AUGUST 2013
IDT and the IDT logo are registered trademarks of Integrated Device Technology, Inc. SyncFIFO is a trademark of Integrated Device Technology, Inc.
COMMERCIAL AND INDUSTRIAL TEMPERATURE RANGES
are very high-speed, low-power First-In, First-Out (FIFO) memories with
clockedreadandwritecontrols.Thearchitecture,functionaloperationandpin
assignments are identical to those of the IDT72201/72211/72221/72231/
72241/72251,butoperateatapowersupplyvoltage(Vcc)between3.0Vand
3.6V. These devices have a 256, 512, 1,024, 2,048, 4,096 and 8,192 x 9-
bitmemoryarray,respectively.TheseFIFOsareapplicableforawidevariety
ofdatabufferingneedssuchasgraphics,localareanetworksandinterprocessor
communication.
These FIFOs have 9-bit input and output ports. The input port is
controlled by a free-running clock (WCLK), and two Write Enable pins
(WEN1, WEN2). Data is written into the Synchronous FIFO on every
rising clock edge when the Write Enable pins are asserted. The output
port is controlled by another clock pin (RCLK) and two Read Enable pins
(REN1, REN2). The Read Clock can be tied to the Write Clock for single
clock operation or the two clocks can run asynchronous of one another
for dual-clock operation. An Output Enable pin (OE) is provided on the
read port for three-state control of the output.
TheSynchronousFIFOshavetwofixedflags,Empty(EF)andFull(FF).
Twoprogrammableflags,Almost-Empty(PAE)andAlmost-Full(PAF),are
provided for improved system control. The programmable flags default to
Empty+7andFull-7forPAEandPAF,respectively.Theprogrammableflag
offsetloadingiscontrolledbyasimplestatemachineandisinitiatedbyasserting
the Load pin (LD).
These FIFOs are fabricated using high-speed submicron CMOS
technology.
FEATURES:
256 x 9-bit organization IDT72V201
512 x 9-bit organization IDT72V211
1,024 x 9-bit organization IDT72V221
2,048 x 9-bit organization IDT72V231
4,096 x 9-bit organization IDT72V241
8,192 x 9-bit organization IDT72V251
10 ns read/write cycle time
5V input tolerant
Read and Write clocks can be independent
Dual-Ported zero fall-through time architecture
Empty and Full Flags signal FIFO status
Programmable Almost-Empty and Almost-Full flags can be set to
any depth
Programmable Almost-Empty and Almost-Full flags default to
Empty+7, and Full-7, respectively
Output Enable puts output data bus in high-impedance state
Advanced submicron CMOS technology
Available in 32-pin plastic leaded chip carrier (PLCC) and 32-pin
plastic Thin Quad FlatPack (TQFP)
Industrial temperature range (–40
°°°°°C to +85°°°°°C) is available
Green parts available, see ordering information
DESCRIPTION:
TheIDT72V201/72V211/72V221/72V231/72V241/72V251SyncFIFOs
FUNCTIONAL BLOCK DIAGRAM
WCLK
WEN1
WEN2
D0 - D8
LD
OFFSET REGISTER
INPUT REGISTER
RAM ARRAY
256 x 9, 512 x 9,
1,024 x 9, 2,048 x 9,
4,096 x 9, 8,192 x 9
WRITE CONTROL
LOGIC
WRITE POINTER
RESET LOGIC
OUTPUT REGISTER
OE
RS
Q0 - Q8
RCLK
REN1
REN2
READ CONTROL
LOGIC
READ POINTER
FLAG
LOGIC
EF
PAE
PAF
FF
4092 drw 01
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| IDT72V251L15PF8 | 功能描述:IC FIFO SYNC 4096X18 15NS 32QFP RoHS:否 类别:集成电路 (IC) >> 逻辑 - FIFO 系列:72V 标准包装:80 系列:7200 功能:同步 存储容量:18.4K（1K x 18） 数据速率:- 访问时间:10ns 电源电压:4.5 V ~ 5.5 V 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:64-LQFP 供应商设备封装:64-TQFP（10x10） 包装:托盘 其它名称:72225LB10TF |
| IDT72V251L15PFGI | 功能描述:IC FIFO SYNC 4096X18 15NS 32QFP RoHS:是 类别:集成电路 (IC) >> 逻辑 - FIFO 系列:72V 标准包装:90 系列:7200 功能:同步 存储容量:288K（16K x 18） 数据速率:100MHz 访问时间:10ns 电源电压:4.5 V ~ 5.5 V 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:64-LQFP 供应商设备封装:64-TQFP（14x14） 包装:托盘 其它名称:72271LA10PF |
| IDT72V251L15PFGI8 | 功能描述:IC FIFO SYNC 4096X18 15NS 32QFP RoHS:是 类别:集成电路 (IC) >> 逻辑 - FIFO 系列:72V 标准包装:80 系列:7200 功能:同步 存储容量:18.4K（1K x 18） 数据速率:- 访问时间:10ns 电源电压:4.5 V ~ 5.5 V 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:64-LQFP 供应商设备封装:64-TQFP（10x10） 包装:托盘 其它名称:72225LB10TF |
| IDT72V251L15PFI | 功能描述:IC FIFO SYNC 4096X18 15NS 32QFP RoHS:否 类别:集成电路 (IC) >> 逻辑 - FIFO 系列:72V 标准包装:90 系列:7200 功能:同步 存储容量:288K（16K x 18） 数据速率:100MHz 访问时间:10ns 电源电压:4.5 V ~ 5.5 V 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:64-LQFP 供应商设备封装:64-TQFP（14x14） 包装:托盘 其它名称:72271LA10PF |
| IDT72V251L15PFI8 | 功能描述:IC FIFO SYNC 4096X18 15NS 32QFP RoHS:否 类别:集成电路 (IC) >> 逻辑 - FIFO 系列:72V 标准包装:80 系列:7200 功能:同步 存储容量:18.4K（1K x 18） 数据速率:- 访问时间:10ns 电源电压:4.5 V ~ 5.5 V 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:64-LQFP 供应商设备封装:64-TQFP（10x10） 包装:托盘 其它名称:72225LB10TF |
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