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参数资料
| 型号： | 49FCT3805ASO |
| 厂商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分类： | 时钟及定时 |
| 英文描述： | FCT SERIES, LOW SKEW CLOCK DRIVER, 10 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PDSO20 |
| 封装： | SOIC-20 |
| 文件页数： | 4/7页 |
| 文件大小： | 72K |
| 代理商： | 49FCT3805ASO |
4
COMMERCIALANDINDUSTRIALTEMPERATURERANGE
IDT49FCT3805/A
3.3VCMOSBUFFER/CLOCKDRIVER
NOTES:
1. For conditions shown as Max. or Min., use appropriate value specified under Electrical Characteristics for the applicable device type.
2. Typical values are at VCC = 3.3V, +25°C ambient.
3. Per TTL driven input (VIN = VCC -0.6V); all other inputs at VCC or GND.
4. This parameter is not directly testable, but is derived for use in Total Power Supply calculations.
5. Values for these conditions are examples of the IC formula. These limits are guaranteed but not tested.
6. IC = IQUIESCENT + IINPUTS + IDYNAMIC
IC = ICC +
ICC DHNT + ICCD (fONO)
ICC = Quiescent Current (ICCL, ICCH and ICCZ)
ICC = Power Supply Current for a TTL High Input (VIN = VCC -0.6V)
DH = Duty Cycle for TTL Inputs High
NT = Number of TTL Inputs at DH
ICCD = Dynamic Current Caused by an Input Transition Pair (HLH or LHL)
fO = Output Frequency
NO = Number of Outputs at fO
All currents are in milliamps and all frequencies are in megahertz.
POWER SUPPLY CHARACTERISTICS
Symbol
Parameter
TestConditions(1)
Min.
Typ.(2)
Max.
Unit
ICC
Quiescent Power Supply Current
VCC = Max.
—
10
30
A
TTL Inputs HIGH
VIN = VCC –0.6V(3)
ICCD
Dynamic Power Supply Current(4)
VCC = Max.
VIN = VCC
—
0.035
0.06
mA/MHz
OutputsOpen
VIN = GND
OE
A
= OEB = GND
PerOutputToggling
50% Duty Cycle
IC
TotalPowerSupplyCurrent(6)
VCC = Max.
VIN = VCC
—
0.9
1.6
OutputsOpen
VIN = GND
fO = 25MHz
50% Duty Cycle
VIN = VCC –0.6V
—
0.9
1.6
OE
A
= OEB = VCC
VIN = GND
Mon.OutputToggling
VCC = Max.
VIN = VCC
—20
33
(5)
mA
OutputsOpen
VIN = GND
fO = 50MHz
50% Duty Cycle
VIN = VCC –0.6V
—
20
33
(5)
OE
A
= OEB = GND
VIN = GND
ElevenOutputsToggling
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