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PDF 74ALVC16244 Data sheet ( Hoja de datos )
| Número de pieza | 74ALVC16244 | |
| Descripción | Low-Voltage 1.8/2.5/3.3 V 16-Bit Buffer | |
| Fabricantes | ON Semiconductor | |
| Logotipo |  |
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74ALVC16244
Low−Voltage 1.8/2.5/3.3 V
16−Bit Buffer
With 3.6 V−Tolerant Inputs and Outputs
(3−State, Non−Inverting)
The 74ALVC16244 is an advanced performance, non−inverting
16−bit buffer. It is designed for very high−speed, very low−power
operation in 1.8 V, 2.5 V or 3.3 V systems.
The 74ALVC16244 is nibble controlled with each nibble
functioning identically, but independently. The control pins may be
tied together to obtain full 16−bit operation. The 3−state outputs are
controlled by an Output Enable (OEn) input for each nibble. When
OEn is LOW, the outputs are on. When OEn is HIGH, the outputs are
in the high impedance state.
• Designed for Low Voltage Operation: VCC = 1.65−3.6 V
• 3.6 V Tolerant Inputs and Outputs
• High Speed Operation: 3.0 ns max for 3.0 to 3.6 V
3.7 ns max for 2.3 to 2.7 V
6.0 ns max for 1.65 to 1.95 V
• Static Drive: ±24 mA Drive at 3.0 V
±12 mA Drive at 2.3 V
±4 mA Drive at 1.65 V
• Supports Live Insertion and Withdrawal
• IOFF Specification Guarantees High Impedance When VCC = 0 V†
• Near Zero Static Supply Current in All Three Logic States (40 mA)
Substantially Reduces System Power Requirements
• Latchup Performance Exceeds ±250 mA @ 125°C
• ESD Performance: Human Body Model >2000 V;
Machine Model >200 V
• Second Source to Industry Standard 74ALVC16244
†To ensure the outputs activate in the 3−state condition, the output enable pins
should be connected to VCC through a pull−up resistor. The value of the resistor is
determined by the current sinking capability of the output connected to the OE pin.
http://onsemi.com
MARKING DIAGRAM
48
48
1
TSSOP−48
DT SUFFIX
CASE 1201
74ALVC16244DT
AWLYYWW
1
A = Assembly
Location
WL = Wafer Lot
YY = Year
WW = Work Week
ORDERING INFORMATION
Device
Package
Shipping
74ALVC16244DTR TSSOP 2500/Tape & Reel
© Semiconductor Components Industries, LLC, 2006
June, 2006 − Rev. 1
1
Publication Order Number:
74ALVC16244/D
1 page  
CAPACITIVE CHARACTERISTICS
Symbol
Parameter
CIN Input Capacitance
COUT
Output Capacitance
CPD Power Dissipation Capacitance
12. VCC = 1.8, 2.5 or 3.3 V; VI = 0 V or VCC.
74ALVC16244
Condition
Note 12
Note 12
Note 12, 10 MHz
Typical
6
7
20
Dn Vm
tPLH
On
Vm
Vm
tPHL
Vm
WAVEFORM 1 − PROPAGATION DELAYS
tR = tF = 2.0ns, 10% to 90%; f = 1MHz; tW = 500ns
OEn
tPZH
On
tPZL
On
Vm
tPHZ
Vm
tPLZ
Vm
WAVEFORM 2 − OUTPUT ENABLE AND DISABLE TIMES
tR = tF = 2.0ns, 10% to 90%; f = 1MHz; tW = 500ns
Figure 4. AC Waveforms
VIH
0V
VOH
VOL
VIH
0V
VOH
Vy
≈ 0V
≈ VCC
Vx
VOL
Symbol
VIH
Vm
Vx
Vy
3.3 V ±0.3 V
2.7 V
1.5 V
VOL + 0.3 V
VOH − 0.3 V
VCC
2.5 V ±0.2 V
VCC
VCC/2
VOL + 0.15 V
VOH − 0.15 V
1.8 V ±0.15 V
VCC
VCC/2
VOL + 0.15 V
VOH − 0.15 V
Unit
pF
pF
pF
http://onsemi.com
5
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| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet 74ALVC16244.PDF ] | |
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