参数资料
型号: IDT72245LB25TFI
厂商: IDT, Integrated Device Technology Inc
文件页数: 11/16页
文件大小: 0K
描述: IC FIFO 1024X18 SYNC 25NS 64QFP
标准包装: 80
系列: 7200
功能: 同步
存储容量: 72K(4K x 18)
访问时间: 25ns
电源电压: 4.5 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 64-LQFP
供应商设备封装: 64-TQFP(10x10)
包装: 托盘
其它名称: 72245LB25TFI
4
IDT72205LB/72215LB/72225LB/72235LB/72245LB CMOS SyncFIFOTM
256 x 18, 512 x 18, 1,024 x 18, 2,048 x 18 and 4,096 x 18
COMMERCIALANDINDUSTRIAL
TEMPERATURERANGES
MARCH 2013
RECOMMENDED DC OPERATING
CONDITIONS
Symbol
Parameter
Min.
Typ.
Max.
Unit
VCC
SupplyVoltage
4.5
5.0
5.5
V
Commercial/Industrial
GND
SupplyVoltage
0
V
VIH
InputHighVoltage
2.0
V
Commercial/Industrial
VIL(1)
InputLowVoltage
0.8
V
Commercial/Industrial
TA
OperatingTemperature
0
70
°C
Commercial
TA
OperatingTemperature
-40
85
°C
Industrial
NOTE:
1. 1.5V undershoots are allowed for 10ns once per cycle.
Symbol
Rating
Commercial
Unit
VTERM
TerminalVoltage
–0.5 to +7.0
V
with respect to GND
TSTG
Storage
–55to+125
°C
Temperature
IOUT
DCOutputCurrent
–50to+50
mA
Symbol
Parameter(1)
Conditions
Max.
Unit
CIN(2)
Input
VIN = 0V
10
pF
Capacitance
COUT(1,2)
Output
VOUT = 0V
10
pF
Capacitance
CAPACITANCE(TA=+25°C,f=1.0MHz)
NOTES:
1. With output deselected, (OE
≥ VIH).
2. Characterized values, not currently tested.
IDT72205LB
IDT72215LB
IDT72225LB
IDT72235LB
IDT72245LB
Commercial and Industrial(1)
tCLK = 10, 15, 25 ns
Symbol
Parameter
Min.
Typ.
Max.
Unit
ILI(2)
InputLeakageCurrent(anyinput)
–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
60
mA
DC ELECTRICAL CHARACTERISTICS
(Commercial: VCC = 5V ± 10%, TA = 0°C to +70°C; Industrial: VCC = 5V
± 10%V, TA = -40°C to +85°C)
NOTES:
1. Industrial Temperature Range Product for the 15ns and the 25ns speed grades are available as a standard device.
2. Measurements with 0.4
≤ VIN ≤ VCC.
3. OE
≥ VIH, 0.4 ≤ VOUT ≤ VCC.
4. Tested with outputs disabled (IOUT = 0).
5. RCLK and WCLK toggle at 20 MHZ and data inputs switch at 10 MHz.
6. For the IDT72205/72215/72225 the typical ICC1 = 1.81 + 1.12*fS + 0.02*CL*fS (in mA);
for the IDT72235/72245 the typical ICC1 = 2.85 + 1.30*fS + 0.02*CL*fS (in mA)
These equations are valid under the following conditions:
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
NOTES:
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.
ICC2(4,7)
StandbyCurrent
5
mA
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