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| 型號(hào)： | IDT72291L10TF |
| 廠商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分類： | DRAM |
| 英文描述： | CMOS SuperSync FIFO |
| 中文描述： | 128K X 9 OTHER FIFO, 6.5 ns, PQFP64 |
| 封裝： | STQFP-64 |
| 文件頁(yè)數(shù)： | 1/26頁(yè) |
| 文件大小： | 277K |
| 代理商： | IDT72291L10TF |
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2002 Integrated Device Technology, Inc. All rights reserved. Product specifications subject to change without notice.
DSC-4675/2
SEPTEMBER 2002
IDT and the IDT logo are registered trademarks of Integrated Device Technology, Inc. The SuperSync FIFO is a trademark of Integrated Device Technology, Inc.
COMMERCIAL AND INDUSTRIAL TEMPERATURE RANGES
CMOS SuperSync FIFO
65,536 x 9
131,072 x 9
IDT72281
IDT72291
FEATURES:
Choose among the following memory organizations:
IDT72281
65,536 x 9
IDT72291
131,072 x 9
Pin-compatible with the IDT72261LA/72271LA SuperSync FIFOs
10ns read/write cycle time (6.5ns access time)
Fixed, low first word data latency time
Auto power down minimizes standby power consumption
Master Reset clears entire FIFO
Partial Reset clears data, but retains programmable
settings
Retransmit operation with fixed, low first word data
latency time
Empty, Full and Half-Full flags signal FIFO status
Programmable Almost-Empty and Almost-Full flags, each flag
can default to one of two preselected offsets
Program partial flags by either serial or parallel means
Select IDT Standard timing (using
EF
and
FF
flags) or First
Word Fall Through timing (using
OR
and
IR
flags)
Output enable puts data outputs into high impedance state
Easily expandable in depth and width
Independent Read and Write clocks (permit reading and writing
simultaneously)
Available in the 64-pin Thin Quad Flat Pack (TQFP) and the 64-
pin Slim Thin Quad Flat Pack (STQFP)
High-performance submicron CMOS technology
Industrial temperature range (-40°C to +85°C) is available
DESCRIPTION:
The IDT72281/72291 are exceptionally deep, high speed, CMOS First-In-
First-Out (FIFO) memories with clocked read and write controls. These FIFOs
offer numerous improvements over previous SuperSync FIFOs, including the
following:
The limtation of the frequency of one clock input with respect to the other has
been removed. The Frequency Select pin (FS) has been removed, thus
it is no longer necessary to select which of the two clock inputs, RCLK or
WCLK, is running at the higher frequency.
The period required by the retransmt operation is now fixed and short.
The first word data latency period, fromthe time the first word is written to an
empty FIFO to the time it can be read, is now fixed and short. (The variable
clock cycle counting delay associated with the latency period found on
previous SuperSync devices has been elimnated on this SuperSync famly.)
SuperSync FIFOs are particularly appropriate for network, video, telecom-
munications, data communications and other applications that need to buffer
large amounts of data.
INPUT REGISTER
OUTPUT REGISTER
RAM ARRAY
65,536 x 9
131,072 x 9
FLAG
LOGIC
FF
/
IR
PAF
EF
/
OR
PAE
HF
FWFT/SI
READ
CONTROL
LOGIC
WRITE CONTROL
LOGIC
RESET
LOGIC
WEN
WCLK
D
0
-D
8
LD
MRS
REN
RCLK
OE
Q
0
-Q
8
OFFSET REGISTER
PRS
SEN
RT
4675 drw01
WRITE POINTER
READ POINTER
FUNCTIONAL BLOCK DIAGRAM
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| IDT72291L15TF | CMOS SuperSync FIFO |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| IDT72291L10TF8 | 功能描述:IC FIFO 65536X18 LP 10NS 64QFP RoHS:否 類別:集成電路 (IC) >> 邏輯 - FIFO 系列:7200 標(biāo)準(zhǔn)包裝:15 系列:74F 功能:異步 存儲(chǔ)容量:256（64 x 4） 數(shù)據(jù)速率:- 訪問(wèn)時(shí)間:- 電源電壓:4.5 V ~ 5.5 V 工作溫度:0°C ~ 70°C 安裝類型:通孔 封裝/外殼:24-DIP（0.300"，7.62mm） 供應(yīng)商設(shè)備封裝:24-PDIP 包裝:管件 其它名稱:74F433 |
| IDT72291L15PF | 功能描述:IC FIFO 65536X18 LP 15NS 64QFP RoHS:否 類別:集成電路 (IC) >> 邏輯 - FIFO 系列:7200 標(biāo)準(zhǔn)包裝:15 系列:74F 功能:異步 存儲(chǔ)容量:256（64 x 4） 數(shù)據(jù)速率:- 訪問(wèn)時(shí)間:- 電源電壓:4.5 V ~ 5.5 V 工作溫度:0°C ~ 70°C 安裝類型:通孔 封裝/外殼:24-DIP（0.300"，7.62mm） 供應(yīng)商設(shè)備封裝:24-PDIP 包裝:管件 其它名稱:74F433 |
| IDT72291L15PF8 | 功能描述:IC FIFO 65536X18 LP 15NS 64QFP RoHS:否 類別:集成電路 (IC) >> 邏輯 - FIFO 系列:7200 標(biāo)準(zhǔn)包裝:15 系列:74F 功能:異步 存儲(chǔ)容量:256（64 x 4） 數(shù)據(jù)速率:- 訪問(wèn)時(shí)間:- 電源電壓:4.5 V ~ 5.5 V 工作溫度:0°C ~ 70°C 安裝類型:通孔 封裝/外殼:24-DIP（0.300"，7.62mm） 供應(yīng)商設(shè)備封裝:24-PDIP 包裝:管件 其它名稱:74F433 |
| IDT72291L15PFI | 功能描述:IC FIFO 65536X18 LP 15NS 64QFP RoHS:否 類別:集成電路 (IC) >> 邏輯 - FIFO 系列:7200 標(biāo)準(zhǔn)包裝:15 系列:74F 功能:異步 存儲(chǔ)容量:256（64 x 4） 數(shù)據(jù)速率:- 訪問(wèn)時(shí)間:- 電源電壓:4.5 V ~ 5.5 V 工作溫度:0°C ~ 70°C 安裝類型:通孔 封裝/外殼:24-DIP（0.300"，7.62mm） 供應(yīng)商設(shè)備封裝:24-PDIP 包裝:管件 其它名稱:74F433 |
| IDT72291L15PFI8 | 功能描述:IC FIFO 65536X18 LP 15NS 64QFP RoHS:否 類別:集成電路 (IC) >> 邏輯 - FIFO 系列:7200 標(biāo)準(zhǔn)包裝:15 系列:74F 功能:異步 存儲(chǔ)容量:256（64 x 4） 數(shù)據(jù)速率:- 訪問(wèn)時(shí)間:- 電源電壓:4.5 V ~ 5.5 V 工作溫度:0°C ~ 70°C 安裝類型:通孔 封裝/外殼:24-DIP（0.300"，7.62mm） 供應(yīng)商設(shè)備封裝:24-PDIP 包裝:管件 其它名稱:74F433 |
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