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PDF 74VCX32244 Data sheet ( Hoja de datos )
| Número de pieza | 74VCX32244 | |
| Descripción | Low Voltage 32-Bit Buffer/Line Driver with 3.6V Tolerant Inputs and Outputs | |
| Fabricantes | Fairchild Semiconductor | |
| Logotipo |  |
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September 2000
Revised November 2002
74VCX32244
Low Voltage 32-Bit Buffer/Line Driver
with 3.6V Tolerant Inputs and Outputs
General Description
The VCX32244 contains thirty-two non-inverting buffers
with 3-STATE outputs to be employed as a memory and
address driver, clock driver, or bus oriented transmitter/
receiver. The device is nibble (4-bit) controlled. Each nibble
has separate 3-STATE control inputs which can be shorted
together for 8-bit, 16-bit or full 32-bit operation.
The 74VCX32244 is designed for low voltage (1.2V to
3.6V) VCC applications with I/O capability up to 3.6V.
The 74VCX32244 is fabricated with an advanced CMOS
technology to achieve high speed operation while maintain-
ing low CMOS power dissipation.
Features
s 1.2V to 3.6V VCC supply operation
s 3.6V tolerant inputs and outputs
s tPD
2.5 ns max for 3.0V to 3.6V VCC
s Power-off high impedance inputs and outputs
s Supports live insertion and withdrawal (Note 1)
s Static Drive (IOH/IOL)
±24 mA @ 3.0V VCC
s Uses patented noise/EMI reduction circuitry
s Latch-up performance exceeds 300 mA
s ESD performance:
Human body model > 2000V
Machine model > 200V
s Packages in plastic Fine-Pitch Ball Grid Array (FBGA)
Note 1: To ensure the high-impedance state during power up or power
down, OE should be tied to VCC through a pull-up resistor; the minimum
value of the resistor is determined by the current-sourcing capability of the
driver.
Ordering Code:
Order Number Package Number
Package Description
74VCX32244G
(Note 2)(Note 3)
BGA96A
96-Ball Fine-Pitch Ball Grid Array (FBGA), JEDEC MO-205, 5.5mm Wide
Note 2: Ordering code “G” indicates Trays.
Note 3: Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Logic Symbol
© 2002 Fairchild Semiconductor Corporation DS500416
www.fairchildsemi.com
1 page  
DC Electrical Characteristics (Continued)
Symbol
Parameter
VOL LOW Level Output Voltage
II Input Leakage Current
IOZ 3-STATE Output Leakage
IOFF Power-OFF Leakage Current
ICC Quiescent Supply Current
∆ICC
Increase in ICC per Input
Note 7: Outputs disabled or 3-STATE only.
Conditions
IOL = 100 µA
IOL = 12 mA
IOL = 18 mA
IOL = 24 mA
IOL = 100 µA
IOL = 12 mA
IOL = 18 mA
IOL = 100 µA
IOL = 6 mA
IOL = 100 µA
IOL = 2 mA
IOL = 100 µA
0 ≤ VI ≤ 3.6V
0 ≤ VO ≤ 3.6V
VI = VIH or VIL
0 ≤ (VI, VO) ≤ 3.6V
VI = VCC or GND
VCC ≤ (VI, VO) ≤ 3.6V (Note 7)
VIH = VCC −0.6V
VCC
(V)
2.7 - 3.6
2.7
3.0
3.0
2.3 - 2.7
2.3
2.3
1.65 - 2.3
1.65
1.4 - 1.6
1.4
1.2
1.2 - 3.6
1.2 - 3.6
0
1.2 - 3.6
1.2 - 3.6
2.7 - 3.6
Min
AC Electrical Characteristics (Note 8)
Symbol
Parameter
tPHL,
tPLH
Propagation Delay
Conditions
CL = 30 pF, RL = 500Ω
CL = 15 pF, RL = 2kΩ
tPZL,
tPZH
Output Enable Time
CL = 30 pF, RL = 500Ω
CL = 15 pF, RL = 2kΩ
tPLZ,
tPHZ
Output Disable Time
CL = 30 pF, RL = 500Ω
CL = 15 pF, RL = 2kΩ
Note 8: For CL = 50PF, add approximately 300 ps to the AC maximum specification.
VCC
(V)
3.3 ± 0.3
2.5 ± 0.2
1.8 ± 0.15
1.5 ± 0.1
1.2
3.3 ± 0.3
2.5 ± 0.2
1.8 ± 0.15
1.5 ± 0.1
1.2
3.3 ± 0.3
2.5 ± 0.2
1.8 ± 0.15
1.5 ± 0.1
1.2
TA = −40°C to +85°C
Min Max
0.8 2.5
1.0 3.0
1.5 6.0
1.0 12.0
1.5 30
0.8 3.5
1.0 4.1
1.5 8.2
1.0 16.4
1.5 41
0.8 3.5
1.0 3.8
1.5 6.8
1.0 13.6
1.5 34
Max
0.2
0.4
0.4
0.55
0.2
0.4
0.6
0.2
0.3
0.2
0.35
0.05
±5.0
±10
10
40
±40
750
Units
ns
ns
Units
V
µA
µA
µA
µA
µA
Figure
Number
Figures
1, 2
Figures
5, 6
Figures
1, 3, 4
Figures
5, 6, 7
Figures
1, 3, 4
Figures
5, 7, 8
5 www.fairchildsemi.com
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| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet 74VCX32244.PDF ] | |
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