IDT72V36100/72V36110 3.3V HIGH DENSITY SUPERSYNC IITM <" />
參數(shù)資料
型號: IDT72V36100L15PFI8
廠商: IDT, Integrated Device Technology Inc
文件頁數(shù): 36/48頁
文件大?。?/td> 0K
描述: IC FIFO 64X36 15NS 128QFP
標準包裝: 1,000
系列: 72V
功能: 同步
存儲容量: 2.3K(64 x 36)
數(shù)據(jù)速率: 166MHz
訪問時間: 15ns
電源電壓: 3.15 V ~ 3.45 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 128-LQFP
供應(yīng)商設(shè)備封裝: 128-TQFP(14x20)
包裝: 帶卷 (TR)
其它名稱: 72V36100L15PFI8
41
COMMERCIAL AND INDUSTRIAL
TEMPERATURE RANGES
IDT72V36100/72V36110 3.3V HIGH DENSITY SUPERSYNC IITM 36-BIT FIFO
65,536 x 36 and 131,072 x 36
OCTOBER 22, 2008
NOTES:
1. Use an AND gate in IDT Standard mode, an OR gate in FWFT mode.
2. Do not connect any output control signals directly together.
3. FIFO #1 and FIFO #2 must be the same depth, but may be different word widths.
OPTIONAL CONFIGURATIONS
WIDTH EXPANSION CONFIGURATION
Word width may be increased simply by connecting together the control
signals of multiple devices. Status flags can be detected from any one device.
The exceptions are the
EFandFF functionsinIDTStandardmodeandtheIR
and
ORfunctionsinFWFTmode. BecauseofvariationsinskewbetweenRCLK
and WCLK, it is possible for
EF/FF deassertion and IR/OR assertion to vary
Figure 29. Block Diagram of 65,536 x 72 and 131,072 x 72 Width Expansion
by one cycle between FIFOs. In IDT Standard mode, such problems can be
avoided by creating composite flags, that is, ANDing
EF of every FIFO, and
separately ANDing
FFofeveryFIFO. InFWFTmode,compositeflagscanbe
created by ORing
OR ofeveryFIFO,andseparatelyORing IRof every FIFO.
Figure 29 demonstrates a width expansion using two IDT72V36100/
72V36110 devices. D0 - D35 from each device form a 72-bit wide input bus and
Q0-Q35 from each device form a 72-bit wide output bus. Any word width can
be attained by adding additional IDT72V36100/72V36110 devices.
WRITE CLOCK (WCLK)
m + n
m
n
MASTER RESET (MRS)
READ CLOCK (RCLK)
DATA OUT
n
m + n
WRITE ENABLE (WEN)
FULL FLAG/INPUT READY (FF/IR)
PROGRAMMABLE (PAF)
PROGRAMMABLE (PAE)
EMPTY FLAG/OUTPUT READY (EF/OR) #2
OUTPUT ENABLE (OE)
READ ENABLE (REN)
m
LOAD (LD)
IDT
72V36100
72V36110
EMPTY FLAG/OUTPUT READY (EF/OR) #1
PARTIAL RESET (PRS)
6117 drw34
FULL FLAG/INPUT READY (FF/IR) #2
HALF-FULL FLAG (HF)
FIRST WORD FALL THROUGH/
SERIAL INPUT (FWFT/SI)
RETRANSMIT (RT)
#1
FIFO
#2
GATE
(1)
GATE
(1)
D0 - Dm
DATA IN
Dm+1 - Dn
Q0 - Qm
Qm+1 - Qn
FIFO
#1
IDT
72V36100
72V36110
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