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PDF 74VCX32373 Data sheet ( Hoja de datos )
| Número de pieza | 74VCX32373 | |
| Descripción | Low Voltage 32-Bit Transparent Latch with 3.6V Tolerant Inputs and Outputs (Preliminary) | |
| Fabricantes | Fairchild Semiconductor | |
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Preliminary
February 2001
Revised August 2001
74VCX32373
Low Voltage 32-Bit Transparent Latch
with 3.6V Tolerant Inputs and Outputs (Preliminary)
General Description
The VCX32373 contains thirty-two non-inverting latches
with 3-STATE outputs and is intended for bus oriented
applications. The device is byte controlled. The flip-flops
appear to be transparent to the data when the Latch enable
(LE) is HIGH. When LE is LOW, the data that meets the
setup time is latched. Data appears on the bus when the
Output Enable (OE) is LOW. When OE is HIGH, the out-
puts are in a high impedance state.
The 74VCX32373 is designed for low voltage (1.65V to
3.6V) VCC applications with I/O compatibility up to 3.6V.
The 74VCX32373 is fabricated with an advanced CMOS
technology to achieve high speed operation while maintain-
ing low CMOS power dissipation.
Features
s 1.65V–3.6V VCC supply operation
s 3.6V tolerant inputs and outputs
s tPD (In to On)
3.0 ns max for 3.0V to 3.6V VCC
3.4 ns max for 2.3V to 2.7V VCC
6.8 ns max for 1.65V to 1.95V VCC
s Power-off high impedance inputs and outputs
s Support live insertion and withdrawal (Note 1)
s Static Drive (IOH/IOL)
±24 mA @ 3.0V VCC
±18 mA @ 2.3V VCC
±6 mA @ 1.65V 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 Packaged 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:
Ordering Number Package Number
Package Description
74VCX32373GX
(Note 2)
BGA96A
96-Ball Fine-Pitch Ball Grid Array (FBGA), JEDEC MO-205, 5.5mm Wide
[TAPE and REEL]
Note 2: BGA package available in Tape and Reel only.
Logic Symbol
© 2001 Fairchild Semiconductor Corporation DS500567
www.fairchildsemi.com
1 page  
Preliminary
DC Electrical Characteristics (2.3V ≤ VCC ≤ 2.7V)
Symbol
Parameter
VIH HIGH Level Input Voltage
VIL LOW Level Input Voltage
VOH HIGH Level Output Voltage
VOL LOW Level Output Voltage
II Input Leakage Current
IOZ 3-STATE Output Leakage
IOFF Power-OFF Leakage Current
ICC Quiescent Supply Current
Note 7: Outputs disabled or 3-STATE only.
Conditions
IOH = −100 µA
IOH = −6 mA
IOH = −12 mA
IOH = −18 mA
IOL = 100 µA
IOL = 12 mA
IOL = 18 mA
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)
VCC
(V)
2.3 − 2.7
2.3 − 2.7
2.3 − 2.7
2.3
2.3
2.3
2.3 − 2.7
2.3
2.3
2.3 − 2.7
Min
1.6
VCC − 0.2
2.0
1.8
1.7
2.3 − 2.7
0
2.3 − 2.7
2.3 − 2.7
Max
0.7
0.2
0.4
0.6
±5.0
±10
10
20
±20
DC Electrical Characteristics (1.65V ≤ VCC < 2.3V)
Symbol
Parameter
VIH HIGH Level Input Voltage
VIL LOW Level Input Voltage
VOH HIGH Level Output Voltage
VOL LOW Level Output Voltage
II Input Leakage Current
IOZ 3-STATE Output Leakage
IOFF Power-OFF Leakage Current
ICC Quiescent Supply Current
Note 8: Outputs disabled or 3-STATE only.
Conditions
IOH = −100 µA
IOH = −6 mA
IOL = 100 µA
IOL = 6 mA
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 8)
VCC
(V)
1.65 - 2.3
1.65 - 2.3
1.65 - 2.3
1.65
1.65 - 2.3
1.65
1.65 - 2.3
Min Max
0.65 × VCC
VCC − 0.2
1.25
0.35 × VCC
0.2
0.3
±5.0
1.65 - 2.3
±10
0
1.65 - 2.3
1.65 − 2.3
10
20
±20
Units
V
V
V
V
V
V
V
V
V
µA
µA
µA
µA
µA
Units
V
V
V
V
V
V
µA
µA
µA
µA
µA
5 www.fairchildsemi.com
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| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet 74VCX32373.PDF ] | |
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