參數(shù)資料
型號: IDT72291L20TFI
廠商: IDT, Integrated Device Technology Inc
文件頁數(shù): 22/26頁
文件大?。?/td> 0K
描述: IC FIFO 65536X18 LP 20NS 64QFP
標準包裝: 80
系列: 7200
功能: 同步
存儲容量: 1.1M(65K x 18)
數(shù)據(jù)速率: 50MHz
訪問時間: 20ns
電源電壓: 4.5 V ~ 5.5 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 64-LQFP
供應(yīng)商設(shè)備封裝: 64-TQFP(10x10)
包裝: 托盤
其它名稱: 72291L20TFI
5
COMMERCIALANDINDUSTRIAL
TEMPERATURERANGES
IDT72281/72291
CMOS SuperSync FIFO 65,536 x 9 and 131,072 x 9
Symbol
Rating
Commercial
Unit
VTERM
TerminalVoltage
–0.5 to +7
V
with respect to GND
TSTG
Storage
–55to+125
°C
Temperature
IOUT
DCOutputCurrent
–50to+50
mA
DC ELECTRICAL CHARACTERISTICS
(Commercial: VCC = 5V
± 10%, TA = 0°C to +70°C; Industrial: VCC = 5V ± 10%, TA = -40° to +85°C)
Symbol
Parameter(1)
Conditions
Max.
Unit
CIN(2)
Input
VIN = 0V
10
pF
Capacitance
COUT(1,2)
Output
VOUT = 0V
10
pF
Capacitance
Symbol
Parameter
Min.
Typ.
Max.
Unit
VCC
Supply Voltage(Com’l & Ind’l)
4.5
5.0
5.5
V
GND
Supply Voltage(Com’l & Ind’l)
0
V
VIH
InputHighVoltage
(Com’l & Ind’l)
2.0
V
VIL(1)
InputLowVoltage
(Com’’ & Ind’l)
0.8
V
TA
OperatingTemperature
0
70
°C
Commercial
TA
OperatingTemperature
-40
85
°C
Industrial
NOTE
1. 1.5V undershoots are allowed for 10ns once per cycle.
IDT72281
IDT72291
Commercial & Industrial(1)
tCLK = 10, 15, 20 ns
Symbol
Parameter
Min.
Max.
Unit
ILI(2)
InputLeakageCurrent
–1
1
μA
ILO(3)
OutputLeakageCurrent
–10
10
μA
VOH
Output Logic “1” Voltage, IOH = –2 mA
2.4
V
VOL
Output Logic “0” Voltage, IOL = 8 mA
0.4
V
ICC1(4,5,6)
Active Power Supply Current
80
mA
ICC2(4,7)
StandbyCurrent
20
mA
NOTES:
1. Industrial temperature range product for 15ns and 20ns speed grade are available as a standard device.
2. Measurements with 0.4
≤ VIN ≤ VCC.
3. OE
≥ VIH, 0.4 ≤ VOUT ≤ VCC.
4. Tested with outputs open (IOUT = 0).
5. RCLK and WCLK toggle at 20 MHz and data inputs switch at 10 MHz.
6. Typical ICC1 = 20 + 1.8*fS + 0.02*CL*fS (in mA) with VCC = 5V, tA = 25°C, 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, except RCLK and WCLK, which toggle at 20 MHz.
ABSOLUTE MAXIMUM RATINGS
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.
RECOMMENDED DC OPERATING
CONDITIONS
CAPACITANCE (TA = +25°C, F = 1.0MHz)
NOTES:
1. With output deselected, (OE
≥ VIH).
2. Characterized values, not currently tested.
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