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參數資料
| 型號： | IDT72V2111L15PF8 |
| 廠商： | IDT, Integrated Device Technology Inc |
| 文件頁數： | 22/27頁 |
| 文件大小： | 0K |
| 描述： | IC FIFO SS 512X9 15NS 64QFP |
| 標準包裝： | 750 |
| 系列： | 72V |
| 功能： | 同步 |
| 存儲容量： | 4.6K（512 x 9） |
| 訪問時間： | 15ns |
| 電源電壓： | 3 V ~ 3.6 V |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 64-LQFP |
| 供應商設備封裝： | 64-TQFP（14x14） |
| 包裝： | 帶卷 (TR) |
| 其它名稱： | 72V2111L15PF8 |
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COMMERCIAL AND INDUSTRIAL
TEMPERATURE RANGES
IDT72V2101/72V2111 3.3V HIGH DENSITY CMOS
SUPERSYNC FIFOTM 262,144 x 9, 524,288 x 9
PIN DESCRIPTION
Symbol
Name
I/O
Description
D0–D8
Data Inputs
I
Data inputs for a 9-bit bus.
MRS
Master Reset
I
MRS initializes the read and write pointers to zero and sets the output register to
all zeroes. During Master Reset, the FIFO is configured for either FWFT or IDT
Standard mode, one of two programmable flag default settings, and serial or
parallel programming of the offset settings.
PRS
Partial Reset
I
PRS initializes the read and write pointers to zero and sets the output register to
all zeroes. During Partial Reset, the existing mode (IDT or FWFT), programming
method (serial or parallel), and programmable flag settings are all retained.
RT
Retransmit
I
RT asserted on the rising edge of RCLK initializes the READ pointer to zero, sets
the
EF flag to LOW (OR to HIGH in FWFT mode) temporarily and does not disturb
the write pointer, programming method, existing timing mode or programmable flag
settings.
RT is useful to reread data from the first physical location of the FIFO.
FWFT/SI
First Word Fall
I
During Master Reset, selects First Word Fall Through or IDT Standard mode.
Through/Serial In
After Master Reset, this pin functions as a serial input for loading offset registers
WCLK
Write Clock
I
When enabled by
WEN, the rising edge of WCLK writes data into the FIFO and
offsets into the programmable registers for parallel programming, and when
enabled by
SEN, the rising edge of WCLK writes one bit of data into the
programmable register for serial programming.
WEN
Write Enable
I
WEN enables WCLK for writing data into the FIFO memory and offset registers.
RCLK
Read Clock
I
When enabled by
REN, the rising edge of RCLK reads data from the FIFO
memory and offsets from the programmable registers.
REN
Read Enable
I
REN enables RCLK for reading data from the FIFO memory and offset registers.
OE
Output Enable
I
OE controls the output impedance of Qn.
SEN
Serial Enable
I
SEN enables serial loading of programmable flag offsets.
LD
Load
I
During Master Reset,
LD selects one of two partial flag default offsets (127 or
1,023) and determines the flag offset programming method, serial or parallel. After
Master Reset, this pin enables writing to and reading from the offset registers.
DC
Don't Care
I
This pin must be tied to either VCC or GND and must not toggle after Master
Reset.
FF/IR
Full Flag/
O
In the IDT Standard mode, the
FF function is selected. FF indicates whether or
Input Ready
not the FIFO memory is full. In the FWFT mode, the
IR function is selected. IR
indicates whether or not there is space available for writing to the FIFO memory.
EF/OR
Empty Flag/
O
In the IDT Standard mode, the
EF function is selected. EF indicates whether or
Output Ready
not the FIFO memory is empty. In FWFT mode, the
OR function is selected.
OR indicates whether or not there is valid data available at the outputs.
PAF
Programmable
O
PAF goes LOW if the number of words in the FIFO memory is more than
Almost-Full Flag
total word capacity of the FIFO minus the full offset value m, which is stored in the
Full Offset register. There are two possible default values for m: 127 or 1,023.
PAE
Programmable
O
PAE goes LOW if the number of words in the FIFO memory is less than offset n,
Almost-Empty Flag
which is stored in the Empty Offset register. There are two possible default values
for n: 127 or 1,023. Other values for n can be programmed into the device.
HF
Half-Full Flag
O
HF indicates whether the FIFO memory is more or less than half-full.
Q0–Q8
Data Outputs
O
Data outputs for a 9-bus
VCC
Power
+3.3 Volt power supply pins.
GND
Ground
Ground pins.
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相關代理商/技術參數 |
參數描述 |
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| IDT72V2111L15PFGI | 功能描述:IC FIFO SYNC 3.3V 15NS 64-TQFP RoHS:是 類別:集成電路 (IC) >> 邏輯 - FIFO 系列:72V 標準包裝:90 系列:74ABT 功能:同步，雙端口 存儲容量:4.6K（64 x 36 x2） 數據速率:67MHz 訪問時間:- 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:120-LQFP 裸露焊盤 供應商設備封裝:120-HLQFP（14x14） 包裝:托盤 產品目錄頁面:1005 (CN2011-ZH PDF) 其它名稱:296-3984 |
| IDT72V2111L15PFGI8 | 制造商:Integrated Device Technology Inc 功能描述:IC FIFO SS 512X9 15NS 64QFP |
| IDT72V2111L15PFI | 功能描述:IC FIFO SS 512X9 15NS 64QFP RoHS:否 類別:集成電路 (IC) >> 邏輯 - FIFO 系列:72V 標準包裝:15 系列:74F 功能:異步 存儲容量:256（64 x 4） 數據速率:- 訪問時間:- 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） 供應商設備封裝:24-PDIP 包裝:管件 其它名稱:74F433 |
| IDT72V2111L15PFI8 | 功能描述:IC FIFO SS 512X9 15NS 64QFP RoHS:否 類別:集成電路 (IC) >> 邏輯 - FIFO 系列:72V 標準包裝:15 系列:74F 功能:異步 存儲容量:256（64 x 4） 數據速率:- 訪問時間:- 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） 供應商設備封裝:24-PDIP 包裝:管件 其它名稱:74F433 |
| IDT72V2111L20PF | 功能描述:IC FIFO SS 512X9 20NS 64QFP RoHS:否 類別:集成電路 (IC) >> 邏輯 - FIFO 系列:72V 標準包裝:15 系列:74F 功能:異步 存儲容量:256（64 x 4） 數據速率:- 訪問時間:- 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） 供應商設備封裝:24-PDIP 包裝:管件 其它名稱:74F433 |
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