參數(shù)資料
型號: IDT72421L20LB
廠商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類: DRAM
英文描述: CMOS SyncFIFO 64 X 9, 256 x 9, 512 x 9, 1024 X 9, 2048 X 9 and 4096 x 9
中文描述: 64 X 9 OTHER FIFO, 12 ns, CQCC32
封裝: CERAMIC, LCC-32
文件頁數(shù): 19/19頁
文件大?。?/td> 214K
代理商: IDT72421L20LB
5.07
19
IDT72421/72201/72211/72221/72231/72241 CMOS SyncFIFO
64 x 9, 256 x 9, 512 x 9, 1024 x 9, 2048 x 9 and 4096 x 9
MILITARY AND COMMERCIAL TEMPERATURE RANGES
ORDERING INFORMATION
access from one device to the next in a sequential manner.
The IDT72421/7221/72211/72221/72231/72241 operates in
the Depth Expansion configuration when the following condi-
tions are met:
1. The WEN2/
LD
pin is held HIGH during Reset so that this pin
operates a second Write Enable.
2. External logic is used to control the flow of data.
Please see the Applicatioin Note" DEPTH EXPANSION OF
IDT'S SYNCHRONOUS FIFOs USING THE RING COUNTER
APPROACH" for details of this configuration.
DEPTH EXPANSION -
The IDT72421/7221/72211/72221/
72231/72241 can be adapted to applications when the re-
quirements are for greater than 64/256/512/1024/2048/4096
words. The existence of two enable pins on the read and write
port allow depth expansion. The Write Enable 2/Load pin is
used as a second write enable in a depth expansion configu-
ration 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 con-
trolled by expansion logic to direct the flow of data. A typical
application would have the expansion logic alternate data
2655 drw 18
Commercial (0
°
C to +70
°
C)
Military (–55
°
C to +125
°
C)
Compliant to MIL-STD-883, Class B
Plastic Leaded Chip Carrier (PLCC)
Leadless Chip Carrier (LCC)
Thin Quad Flat Pack (TQFP)
Com'l. (72421/72201/72211) Only
Com'l. Only
All except 72221/72231/72241 Military
Low Power
64 x 9 Synchronous FIFO
256 x 9 Synchronous FIFO
512 x 9 Synchronous FIFO
1024 x 9 Synchronous FIFO
2048 x 9 Synchronous FIFO
4096 x 9 Synchronous FIFO
XXXXX
Device Type
IDT
X
XX
X
X
Power
Speed
Package
Process/
Temperature
Range
BLANK
B
J
L
PF
12
15
20
25
35
50
L
72421
72201
72211
72221
Clock Cycle
Time (t
CLK
)
Speed in ns
相關(guān)PDF資料
PDF描述
IDT72421L20PFB CMOS SyncFIFO 64 X 9, 256 x 9, 512 x 9, 1024 X 9, 2048 X 9 and 4096 x 9
IDT72421L25JB CMOS SyncFIFO 64 X 9, 256 x 9, 512 x 9, 1024 X 9, 2048 X 9 and 4096 x 9
IDT72421L25L CMOS SyncFIFO 64 X 9, 256 x 9, 512 x 9, 1024 X 9, 2048 X 9 and 4096 x 9
IDT72421L25LB CMOS SyncFIFO 64 X 9, 256 x 9, 512 x 9, 1024 X 9, 2048 X 9 and 4096 x 9
IDT72421L25PFB CMOS SyncFIFO 64 X 9, 256 x 9, 512 x 9, 1024 X 9, 2048 X 9 and 4096 x 9
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參數(shù)描述
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IDT72421L25JI 功能描述:IC FIFO 64X9 SYNC 25NS 32-PLCC RoHS:否 類別:集成電路 (IC) >> 邏輯 - FIFO 系列:7200 標(biāo)準(zhǔn)包裝:80 系列:7200 功能:同步 存儲容量:18.4K(1K x 18) 數(shù)據(jù)速率:- 訪問時間:10ns 電源電壓:4.5 V ~ 5.5 V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:64-LQFP 供應(yīng)商設(shè)備封裝:64-TQFP(10x10) 包裝:托盤 其它名稱:72225LB10TF
IDT72421L25JI8 功能描述:IC FIFO 64X9 SYNC 25NS 32-PLCC RoHS:否 類別:集成電路 (IC) >> 邏輯 - FIFO 系列:7200 標(biāo)準(zhǔn)包裝:80 系列:7200 功能:同步 存儲容量:18.4K(1K x 18) 數(shù)據(jù)速率:- 訪問時間:10ns 電源電壓:4.5 V ~ 5.5 V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:64-LQFP 供應(yīng)商設(shè)備封裝:64-TQFP(10x10) 包裝:托盤 其它名稱:72225LB10TF
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