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參數(shù)資料
| 型號： | IDT74FCT3244ASOG |
| 廠商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分類： | 總線收發(fā)器 |
| 英文描述： | FCT SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, PDSO20 |
| 封裝： | GREEN, SOIC-20 |
| 文件頁數(shù)： | 4/6頁 |
| 文件大?。?/td> | 68K |
| 代理商： | IDT74FCT3244ASOG |
INDUSTRIALTEMPERATURERANGE
4
IDT74FCT3244/A
3.3VCMOSOCTALBUFFER/LINEDRIVER
NOTES:
1. For conditions shown as Min. or Max., 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. 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
ΔICC formula. These limits are guaranteed but not tested.
6. IC = IQUIESCENT + IINPUTS + IDYNAMIC
IC = ICC +
ΔICC DHNT + ICCD (fCPNCP/2 + fiNi)
ICC = Quiescent Current (ICC, ICCH, and ICCZ)
ΔICC = Power Supply Current for a TTL High Input
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)
fCP = Clock Frequency for register devices (zero for non-register devices)
NCP = Number of clock inputs at fCP
fi = Input Frequency
Ni = Number of Inputs at fi
POWER SUPPLY CHARACTERISTICS
Symbol
Parameter
Test Conditions(1)
Min.
Typ.(2)
Max.
Unit
ICC
Quiescent Power Supply Current
VCC = Max.
VIN = VCC - 0.6V
—
2
30
μA
ICCD
Dynamic Power Supply
VCC = Max.
VIN = VCC
—60
85
μA/
Current(4)
Outputs Open
VIN = GND
MHz
x
OE = GND
One Input Toggling
50% Duty Cycle
IC
Total Power Supply Current(6)
VCC = Max.
VIN = VCC
—
0.6
0.9
mA
Outputs Open
VIN = GND
fI = 10MHz
50% Duty Cycle
VIN = VCC - 0.6V
—
0.6
0.9
x
OE = GND
VIN = GND
One Bit Toggling
VCC = Max.
VIN = VCC
—
1.2
1.7(5)
Outputs Open
VIN = GND
fI = 2.5MHz
50% Duty Cycle
VIN = VCC - 0.6V
—
1.2
1.8(5)
x
OE = GND
VIN = GND
Eight Bits Toggling
NOTES:
1. Propagation Delays and Enable/Disable times are with VCC = 3.3V ±0.3V, Normal Range. For VCC = 2.7V to 3.6V, Extended Range, all Propagation Delays and Enable/
Disable times should be degraded by 20%.
2. See test circuit and waveforms.
3. Minimum limits are guaranteed but not tested on Propagation Delays.
74FCT3244
74FCT3244A
Symbol
Parameter
Condition(2)
Min.(3)
Max.
Min.(3)
Max.
Unit
tPLH
PropagationDelay
CL = 50pF
1.5
6.5
1.5
4.8
ns
tPHL
xAx to xYx
RL = 500
Ω
tPZH
OutputEnableTime
1.5
8
1.5
6.2
ns
tPZL
tPHZ
OutputDisableTime
1.5
7
1.5
5.6
ns
tPLZ
SWITCHING CHARACTERISTICS OVER OPERATING RANGE(1)
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| IDT74FCT3244PGG8 | 功能描述:IC BUFF/DVR DUAL N-INV 20TSSOP RoHS:是 類別:集成電路 (IC) >> 邏輯 - 緩沖器，驅(qū)動器，接收器，收發(fā)器 系列:74FCT 標準包裝:47 系列:74LVX 邏輯類型:緩沖器/線路驅(qū)動器，非反相 元件數(shù):4 每個元件的位元數(shù):1 輸出電流高，低:4mA，4mA 電源電壓:2 V ~ 3.6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:14-SOIC（0.209"，5.30mm 寬） 供應商設(shè)備封裝:14-SOIC 包裝:管件 |
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