參數(shù)資料
型號(hào)： IDT72831L15PFI
廠商： INTEGRATED DEVICE TECHNOLOGY INC
元件分類(lèi)： DRAM
英文描述： DUAL CMOS SyncFIFO
中文描述： 2K X 9 BI-DIRECTIONAL FIFO, 10 ns, PQFP64
封裝： TQFP-64
文件頁(yè)數(shù)： 1/16頁(yè)
文件大?。?/td> 169K
代理商： IDT72831L15PFI
SyncFIFO is a trademark and the IDT logo is a registered trademark of Integrated Device Technology, Inc.
2001 Integrated Device Technology, Inc.
DSC-3034/1
DUAL CMOS SyncFIFO
DUAL 256 x 9, DUAL 512 x 9,
DUAL 1,024 x 9, DUAL 2,048 x 9,
DUAL 4,096 x 9, DUAL 8,192 x 9
IDT72801
IDT72811
IDT72821
IDT72831
IDT72841
IDT72851
The IDT72801 is equivalent to two IDT72201 256 x 9 FIFOs
The IDT72811 is equivalent to two IDT72211 512 x 9 FIFOs
The IDT72821 is equivalent to two IDT72221 1,024 x 9 FIFOs
The IDT72831 is equivalent to two IDT72231 2,048 x 9 FIFOs
The IDT72841 is equivalent to two IDT72241 4,096 x 9 FIFOs
The IDT72851 is equivalent to two IDT72251 8,192 x 9 FIFOs
Offers optimal combination of large capacity, high speed,
design flexibility and small footprint
Ideal for prioritization, bidirectional, and width expansion
applications
10 ns read/write cycle time for the IDT72801/72811/72821/72831/
72841 (excluding the IDT72851)
15 ns read/write cycle time for the IDT72851
Separate control lines and data lines for each FIFO
Separate Empty, Full, Programmable Almost-Empty and Almost-
Full flags for each FIFO
Enable puts output data lines in high-impedance state
Space-saving 64-pin Thin Quad Flat Pack (TQFP) and Slim Thin
Quad Flatpack (STQFP)
Industrial temperature range (–40
°
C to +85
°
C) is available
The IDT72801/72811/72821/72831/72841/72851 are dual synchronous
(clocked) FIFOs. The device is functionally equivalent to two IDT72201/72211/
72221/72231/72241/72251 FIFOs in a single package with all associated
control, data, and flag lines assigned to separate pins.
Each of the two FIFOs (designated FIFO A and FIFO B) contained in the
IDT72801/72811/72821/72831/72841/72851 has a 9-bit input data port (DA0
- DA8, DB0 - DB8) and a 9-bit output data port (QA0 - QA8, QB0 - QB8). Each
input port is controlled by a free-running clock (WCLKA, WCLKB), and two Write
Enable pins (
WENA1
, WENA2,
WENB1
, WENB2). Data is written into each of
the two arrays on every rising clock edge of the Write Clock (WCLKA, WCLKB)
when the appropriate write enable pins are asserted.
The output port of each FIFO bank is controlled by its associated clock pin
(RCLKA, RCLKB) and two Read Enable pins (
RENA1
,
RENA2
,
RENB1
,
RENB2
). 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 (
OEA
,
OEB
) is provided on the read port of each FIFO
for three-state output control.
Each of the two FIFOs has two fixed flags, Empty (
EFA
,
EFB
) and Full (
FFA
,
FFB
). Two programmable flags, Almost-Empty (
PAEA
,
PAEB
) and Almost-Full
(
PAFA
,
PAFB
), are provided for each FIFO bank to improve memory utilization.
If not programmed, the programmable flags default to empty+7 for
PAEA
and
PAEB
, and full-7 for
PAFA
and
PAFB
.
The IDT72801/72811/72821/72831/72841/72851 architecture lends itself
to many flexible configurations such as:
2-level priority data buffering
Bidirectional operation
Width expansion
Depth expansion
These FIFOs is fabricated using IDT's high-performance submcron
CMOS technology.
WCLKA
WENA1
WENA2
DA0 - DA8
LDA
OFFSET REGISTER
INPUT REGISTER
RAM ARRAY
256 x 9, 512 x 9,
1024 x 9, 2048 x 9,
4096 x 9, 8192 x 9
WRITE CONTROL
LOGIC
WRITE POINTER
RESET LOGIC
OUTPUT REGISTER
OEA
RSA
QA0 - QA8
RCLKA
RENA1
RENA2
READ CONTROL
LOGIC
READ POINTER
FLAG
LOGIC
EFA
PAEA
PAFA
FFA
3034 drw 01
WCLKB
WENB1
WENB2
DB0 - DB8
LDB
OFFSET REGISTER
INPUT REGISTER
WRITE CONTROL
LOGIC
WRITE POINTER
RESET LOGIC
OUTPUT REGISTER
OEB
RSB
QB0 - QB8
RCLKB
RENB1
RENB2
READ CONTROL
LOGIC
READ POINTER
FLAG
LOGIC
EFB
PAEB
PAFB
FFB
RAM ARRAY
256 x 9, 512 x 9,
1024 x 9, 2048 x 9,
4096 x 9, 8192 x 9
相關(guān)PDF資料
PDF描述
IDT72831L15TF DUAL CMOS SyncFIFO
IDT72831L15TFI DUAL CMOS SyncFIFO
IDT72831L25TF DUAL CMOS SyncFIFO
IDT72831L25TFI DUAL CMOS SyncFIFO
IDT72841L10PF DUAL CMOS SyncFIFO
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
IDT72831L15PFI8 功能描述:IC FIFO SYNC DUAL 2048X9 64-TQFP RoHS:否 類(lèi)別:集成電路 (IC) >> 邏輯 - FIFO 系列:7200 標(biāo)準(zhǔn)包裝:90 系列:7200 功能:同步 存儲(chǔ)容量:288K（16K x 18） 數(shù)據(jù)速率:100MHz 訪問(wèn)時(shí)間:10ns 電源電壓:4.5 V ~ 5.5 V 工作溫度:0°C ~ 70°C 安裝類(lèi)型:表面貼裝 封裝/外殼:64-LQFP 供應(yīng)商設(shè)備封裝:64-TQFP（14x14） 包裝:托盤(pán) 其它名稱(chēng):72271LA10PF
IDT72831L15TF 功能描述:IC FIFO SYNC DUAL 2048X9 64QFP RoHS:否 類(lèi)別:集成電路 (IC) >> 邏輯 - FIFO 系列:7200 標(biāo)準(zhǔn)包裝:90 系列:7200 功能:同步 存儲(chǔ)容量:288K（16K x 18） 數(shù)據(jù)速率:100MHz 訪問(wèn)時(shí)間:10ns 電源電壓:4.5 V ~ 5.5 V 工作溫度:0°C ~ 70°C 安裝類(lèi)型:表面貼裝 封裝/外殼:64-LQFP 供應(yīng)商設(shè)備封裝:64-TQFP（14x14） 包裝:托盤(pán) 其它名稱(chēng):72271LA10PF
IDT72831L15TF8 功能描述:IC FIFO SYNC DUAL 2048X9 64QFP RoHS:否 類(lèi)別:集成電路 (IC) >> 邏輯 - FIFO 系列:7200 標(biāo)準(zhǔn)包裝:90 系列:7200 功能:同步 存儲(chǔ)容量:288K（16K x 18） 數(shù)據(jù)速率:100MHz 訪問(wèn)時(shí)間:10ns 電源電壓:4.5 V ~ 5.5 V 工作溫度:0°C ~ 70°C 安裝類(lèi)型:表面貼裝 封裝/外殼:64-LQFP 供應(yīng)商設(shè)備封裝:64-TQFP（14x14） 包裝:托盤(pán) 其它名稱(chēng):72271LA10PF
IDT72831L15TFI 功能描述:IC FIFO SYNC DUAL 2048X9 64QFP RoHS:否 類(lèi)別:集成電路 (IC) >> 邏輯 - FIFO 系列:7200 標(biāo)準(zhǔn)包裝:90 系列:7200 功能:同步 存儲(chǔ)容量:288K（16K x 18） 數(shù)據(jù)速率:100MHz 訪問(wèn)時(shí)間:10ns 電源電壓:4.5 V ~ 5.5 V 工作溫度:0°C ~ 70°C 安裝類(lèi)型:表面貼裝 封裝/外殼:64-LQFP 供應(yīng)商設(shè)備封裝:64-TQFP（14x14） 包裝:托盤(pán) 其它名稱(chēng):72271LA10PF
IDT72831L15TFI8 功能描述:IC FIFO SYNC DUAL 2048X9 64QFP RoHS:否 類(lèi)別:集成電路 (IC) >> 邏輯 - FIFO 系列:7200 標(biāo)準(zhǔn)包裝:90 系列:7200 功能:同步 存儲(chǔ)容量:288K（16K x 18） 數(shù)據(jù)速率:100MHz 訪問(wèn)時(shí)間:10ns 電源電壓:4.5 V ~ 5.5 V 工作溫度:0°C ~ 70°C 安裝類(lèi)型:表面貼裝 封裝/外殼:64-LQFP 供應(yīng)商設(shè)備封裝:64-TQFP（14x14） 包裝:托盤(pán) 其它名稱(chēng):72271LA10PF
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