參數(shù)資料
型號(hào): IDT72403L25SO
廠商: IDT, Integrated Device Technology Inc
文件頁數(shù): 4/9頁
文件大小: 0K
描述: IC FIFO PAR 64X4 25NS 16-SOIC
標(biāo)準(zhǔn)包裝: 46
系列: 7200
功能: 異步
存儲(chǔ)容量: 256(64 x 4)
數(shù)據(jù)速率: 25MHz
訪問時(shí)間: 25ns
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: 16-SOIC(0.295",7.50mm 寬)
供應(yīng)商設(shè)備封裝: 16-SOIC
包裝: 管件
其它名稱: 72403L25SO
MILITARY AND COMMERCIAL
TEMPERATURE RANGES
IDT72401/72403
CMOS PARALLEL FIFO 64 x 4, 64 x 5
4
JUNE 29, 2012
560
Ω
30pF*
1.1K
Ω
5V
OUTPUT
2747 drw 05
Input Pulse Levels
GND to 3.0V
InputRise/FallTimes
3ns
InputTimingReferenceLevels
1.5V
OutputReferenceLevels
1.5V
OutputLoad
See Figure 1
ALL INPUT PULSES:
SIGNAL DESCRIPTIONS
INPUTS:
DATA INPUT (D0-3)
Data input lines. The IDT72401 and IDT72403 have a 4-bit data input.
CONTROLS:
SHIFT IN (SI)
Shift In controls the input of the data into the FIFO. When SI is HIGH, data
can be written to the FIFO via the D0-3 lines.
SHIFT OUT (SO)
ShiftOutcontrolstheoutputofdataoftheFIFO. WhenSOisHIGH,datacan
be read from the FIFO via the Data Output (Q0-3) lines.
MASTER RESET (MR)
MasterResetclearstheFIFOofanydatastoredwithin. Uponpowerup,the
FIFO should be cleared with a MR. MR is active LOW.
INPUT READY (IR)
WhenInputReadyisHIGH,theFIFOisreadyfornewinputdatatobewritten
toit.WhenIRisLOWtheFIFOisunavailablefornewinputdata. IRisalsoused
to cascade many FlFOs together, as shown in Figures 10 and 11.
OUTPUT READY (OR)
WhenOutputReadyisHIGH,theoutput(Q0-3)containsvaliddata. When
OR is LOW, the FIFO is unavailable for new output data. OR is also used to
cascade many FlFOs together, as shown in Figures 10 and 11.
OUTPUT ENABLE (OE) (IDT72403 ONLY)
Output enable is used to read FIFO data onto a bus. OE is active LOW.
OUTPUTS:
DATAOUTPUT(Q0-3)
DataOutputlines.TheIDT72401andIDT72403havea4-bitdataoutput.
orequivalentcircuit
Figure 1. AC Test Load
*Includingscopeandjig
Symbol
Parameter
Conditions
Max.
Unit
CIN
InputCapacitance
VIN = 0V
5
pF
COUT
OutputCapacitance
VOUT = 0V
7
pF
NOTE:
1. Characterized values, not currently tested.
2747 drw 04
GND
3.0V
90%
10%
90%
10%
<3ns
AC TEST CONDITIONS
CAPACITANCE
(TA = +25°C, f = 1.0MHz)
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