參數(shù)資料
型號(hào): IDT7285L20PA
廠商: IDT, Integrated Device Technology Inc
文件頁(yè)數(shù): 5/12頁(yè)
文件大?。?/td> 0K
描述: IC FIFO 4096X18 20NS 56TSSOP
標(biāo)準(zhǔn)包裝: 34
系列: 7200
功能: 異步
存儲(chǔ)容量: 72K(4K x 18)
訪問時(shí)間: 20ns
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: 56-TFSOP(0.240",6.10mm 寬)
供應(yīng)商設(shè)備封裝: 56-TSSOP
包裝: 管件
其它名稱: 7285L20PA
2
COMMERCIALTEMPERATURERANGE
IDT7280/7281/7282/7283/7284/7285 5V ASYNCHRONOUS FIFO
DUAL 256 x 9, 512 x 9, 1,024 x 9, 2,048 x 9, 4,096 x 9 and 8,192 x 9
JUNE 29, 2012
PIN CONFIGURATION
ABSOLUTE MAXIMUM RATINGS
Symbol
Rating
Com'l & Ind'l
Unit
VTERM
TerminalVoltagewith
–0.5 to +7.0
V
Respect to GND
TSTG
StorageTemperature
–55 to +125
°C
IOUT
DCOutputCurrent
–50to+50
mA
NOTE:
1. Stresses greater than those listed under ABSOLUTE MAXIMUM RATINGS may cause
permanent damage to the device. This is a stress rating only and functional operation
of the device at these or any other conditions above those indicated in the operational
sections of this specification is not implied. Exposure to absolute maximum rating
conditions for extended periods may affect reliability.
AC TEST CONDITIONS
Input Pulse Levels
GND to 3.0V
InputRise/FallTimes
5ns
InputTimingReferenceLevels
1.5V
OutputReferenceLevels
1.5V
OutputLoad
See Figure 1
CAPACITANCE (TA=+25oC,f=1.0MHz)
Symbol
Parameter
Condition
Max.
Unit
CIN
InputCapacitance
VIN = 0V
8
pF
COUT
OutputCapacitance
VOUT = 0V
8
pF
NOTE:
1. Characterized values, not currently tested.
Symbol
Parameter
Min.
Typ.
Max. Unit
VCC
SupplyVoltage
4.5
5.0
5.5
V
GND
SupplyVoltage
0
V
VIH(1)
InputHighVoltage
2.0
V
VIL(2)
InputLowVoltage
0.8
V
TA
OperatingTemperature
0
70
°C
Commercial
TA
OperatingTemperature
–40
85
°C
Industrial
NOTES:
1. For RT/RS/XI input, VIH = 2.6V (commercial).
2. 1.5V undershoots are allowed for 10ns once per cycle.
RECOMMENDED DC OPERATING
CONDITIONS
TSSOP (SO56-2, order code: PA)
TOP VIEW
FFA
QA0
QA1
QA2
QA3
QA8
GND
RA
QA4
QA5
QA6
QA7
XOA/HFA
EFA
FFB
QB0
QB1
QB2
QB3
QB8
GND
RB
QB4
QB5
QB6
QB7
XOB/HFB
EFB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
XIA
DA0
DA1
DA2
DA3
DA8
WA
VCC
DA4
DA5
DA6
DA7
FLA/RTA
RSA
XIB
DB0
DB1
DB2
DB3
DB8
WB
VCC
DB4
DB5
DB6
DB7
FLB/RTB
RSB
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
3208 drw 02
3208 drw 03
30pF*
1.1K
5V
TO
OUTPUT
PIN
680
Ω
or equivalent circuit
IDT7280L
IDT7283L
IDT7281L
IDT7284L
IDT7282L
IDT7285lL
Commercial & Industrial(1)
tA = 12, 15 ns
Symbol
Parameter
Min.
Max.
Min.
Max.
Unit
ILI(2)
InputLeakageCurrent(AnyInput)
–1
1
–1
μA
ILO(3)
OutputLeakageCurrent
–10
10
–10
10
μA
VOH
OutputLogic“1”Voltage
IOH = –2mA
2.4
2.4
V
VOL
OutputLogic“0”Voltage
IOL = 8mA
0.4
0.4
V
ICC1(4,5)
Active Power Supply Current (both FIFOs)
125(6)
—150
mA
ICC2(4,7)
Standby Current (R=W=RS=FL/RT=VIH)—
15
15
mA
DC ELECTRICAL CHARACTERISTICS
(Commercial: VCC = 5V ± 10%, TA = 0
°C to +70°C; Industrial: VCC = 5V ± 10%, TA = –40°C to +85°C)
NOTES:
1. Industrial temperature range product for the 15ns speed grade is available as a standard
device.
2. Measurements with 0.4
≤ VIN ≤ VCC.
3. R
≥ VIH, 0.4 ≤ VOUT ≤ VCC.
4. Tested with outputs open (IOUT = 0).
5. Tested at f = 20 MHz.
6. Typical ICC1 = 2*[15 + 2*fS + 0.02*CL*fS] (in mA) with VCC = 5V, TA = 25oC, fS = WCLK
frequency = RCLK frequency (in MHz, using TTL levels), data switching at fS/2,
CL = capacitive load (in pF).
7. All Inputs = VCC - 0.2V or GND + 0.2V.
Figure 1. Output Load
* Includes scope and jig capacitances.
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