参数资料
型号: IDT72V801L20TF
厂商: IDT, Integrated Device Technology Inc
文件页数: 8/16页
文件大小: 0K
描述: IC SYNC FIFO 256X9 20NS 64QFP
标准包装: 80
系列: 72V
功能: 异步
存储容量: 2.3K(256 x 9)
数据速率: 50MHz
访问时间: 20ns
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: 64-LQFP
供应商设备封装: 64-TQFP(10x10)
包装: 托盘
其它名称: 72V801L20TF
16
CORPORATE HEADQUARTERS
for SALES:
for Tech Support:
6024 Silver Creek Valley Road
800-345-7015 or 408-284-8200
408-360-1753
San Jose, CA 95138
fax: 408-284-2775
email:FIFOhelp@idt.com
www.idt.com
DEPTHEXPANSION— These FIFOs can be adapted to applications that
require greater than 256/512/1,024/2,048/4,096/8,192 words. The exist-
ence of double enable pins on the read and write ports allow depth expansion.
The Write Enable 2/Load (WENA2, WENB2) pins are used as a second write
enables in a depth expansion configuration, thus the Programmable flags are
set to the default values. Depth expansion is possible by using one enable
input for system control while the other enable input is controlled by expansion
logic to direct the flow of data. A typical application would have the expansion
logicalternatedataaccessfromonedevicetothenextinasequentialmanner.
ORDERING INFORMATION
The IDT72V801/72V811/72V821/72V831/72V841/72V851 operates in the
Depth Expansion configuration when the following conditions are met:
1. WENA2/
LDAandWENB2/LDBpinsareheldHIGHduring Resetsothat
these pins operate as second Write Enables.
2. External logic is used to control the flow of data.
Please see the Application Note "DEPTH EXPANSION OF IDT'S SYN-
CHRONOUS FIFOs USING THE RING COUNTER APPROACH" for
details of this configuration.
NOTES:
1. Industrial temperature range product for the 15ns speed grade is available as a standard device.
2. Green parts available. For specific speeds and packages contact your local sales office.
BLANK
4093 drw 20
XXXXX
Device Type
X
XX
Power
Speed
Package
Process/
Temperature
Range
Clock Cycle Time
(tCLK), speed in
Nanoseconds
Commercial (0
°C to +70°C)
Commercial Only
I(1)
Industrial (-40
°C to +85°C)
PF
TF
Thin Quad Flatpack (TQFP, PN64-1)
Slim Thin Plastic Quad Flatpack (STQFP, PP64-1)
10
15
20
Commercial And Industrial
Commercial Only
L
Low Power
72V801
256 x 9
3.3 Volt DUAL SyncFIFO
72V811
512 x 9
3.3 Volt DUAL SyncFIFO
72V821
1,024 x 9
3.3 Volt DUAL SyncFIFO
72V831
2,048 x 9
3.3 Volt DUAL SyncFIFO
72V841
4,096 x 9
3.3 Volt DUAL SyncFIFO
72V851
8,192 x 9
3.3 Volt DUAL SyncFIFO
X
G(2)
Green
DATASHEET DOCUMENT HISTORY
04/24/2001
pgs. 4, 5 and 16
02/02/2006
pgs. 1 and 16.
10/22/2008
pg.
16.
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