IDT723653/723663/723673 CMOS SyncFIFOTM WITH BUS-MATCHING" />
參數(shù)資料
型號(hào): IDT723653L12PF8
廠商: IDT, Integrated Device Technology Inc
文件頁(yè)數(shù): 21/29頁(yè)
文件大?。?/td> 0K
描述: IC FIFO SYNC 2048X36 128-TQFP
產(chǎn)品變化通告: Product Discontinuation 27/Jul/2009
標(biāo)準(zhǔn)包裝: 1,000
系列: 7200
功能: 同步
存儲(chǔ)容量: 72K(2K x 36)
數(shù)據(jù)速率: 83MHz
訪問(wèn)時(shí)間: 12ns
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: 128-LQFP
供應(yīng)商設(shè)備封裝: 128-TQFP(14x20)
包裝: 帶卷 (TR)
其它名稱: 723653L12PF8
28
COMMERCIALTEMPERATURERANGE
IDT723653/723663/723673 CMOS SyncFIFOTM WITH BUS-MATCHING
2,048 x 36 x 2, 4,096 x 36 x 2 and 8,192 x 36 x 2
5610 drw24
PARAMETER MEASUREMENT INFORMATION
From Output
Under Test
30 pF
1.1K
5.0 V
680
PROPAGATION DELAY
LOAD CIRCUIT
3 V
GND
Timing
Input
Data,
Enable
Input
GND
3 V
1.5 V
VOLTAGE WAVEFORMS
SETUP AND HOLD TIMES
VOLTAGE WAVEFORMS
PULSE DURATIONS
VOLTAGE WAVEFORMS
ENABLE AND DISABLE TIMES
VOLTAGE WAVEFORMS
PROPAGATION DELAY TIMES
3 V
GND
3 V
1.5 V
tW
Output
Enable
Low-Level
Output
High-Level
Output
3 V
OL
GND
≈ 3 V
1.5 V
OH
≈ OV
GND
OH
OL
1.5 V
Input
In-Phase
Output
High-Level
Input
Low-Level
Input
V
1.5 V
3 V
tS
th
tPLZ
tPHZ
tPZL
tPZH
tPD
(1)
Figure 21. Block Diagram of 256 x 36, 512 x 36, 1,024 x 36 Synchronous FIFO Memory with
Programmable Flags used in Depth Expansion Configuration
NOTES:
1. Mailbox feature is not supported in depth expansion applications. (MBA + MBB tie to GND)
2. Transfer clock should be set either to the Write Port Clock (CLKA) or the Read Port Clock (CLKB), whichever is faster.
3. The amount of time it takes for
EF/OR of the last FIFO in the chain to go HIGH (i.e. valid data to appear on the last FIFO’s outputs) after a word has been written to the first FIFO is the
sum of the delays for each individual FIFO: (N - 1)*(4*transfer clock) + 3*TRCLK, where N is the number of FIFOs in the expansion and TRCLK is the CLKB period.
4. The amount of time it takes for
FF/IR of the first FIFO in the chain to go HIGH after a word has been read from the last FIFO is the sum of the delays for each individual FIFO:
(N - 1)*(3*transfer clock) + 2*TWCLK, where N is the number of FIFOs in the expansion and TWCLK is the CLKA period.
DATA IN (Dn)
READ CLOCK (CLKB)
READ ENABLE (ENB)
EMPTY FLAG/
OUTPUT READY (EF/OR)
CHIP SELECT (CSB)
DATA OUT (Qn)
TRANSFER CLOCK
5610 drw23
IDT
723653
723663
723673
VCC
IDT
723653
723663
723673
WRITE
READ
A0-A35
MBA
CHIP SELECT (CSA)
WRITE SELECT (W/RA)
WRITE ENABLE (ENA)
ALMOST-FULL FLAG (AF)
FULL FLAG/
INPUT READY (FF/IR)
WRITE CLOCK (CLKA)
CLKB
EF/OR
ENB
CSB
B0-B35
W/RB
MBB
CLKA
ENA
FF/IR
CSA
MBA
A0-A35
W/RA
READ SELECT (W/RB)
ALMOST-EMPTY FLAG (AE)
B0-B35
MBB
VCC
n
Qn
Dn
VCC
NOTE:
1. Includes probe and jig capacitance.
Figure 22. Load Circuit and Voltage Waveforms.
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