FAIRCHILD 74VCX32244

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 maintaining low CMOS power dissipation.
Features
■ 1.2V to 3.6V VCC supply operation
■ 3.6V tolerant inputs and outputs
■ tPD
2.5 ns max for 3.0V to 3.6V VCC
■ Power-off high impedance inputs and outputs
■ Supports live insertion and withdrawal (Note 1)
■ Static Drive (IOH/IOL)
±24 mA @ 3.0V VCC
■ Uses patented noise/EMI reduction circuitry
■ Latch-up performance exceeds 300 mA
■ ESD performance:
Human body model > 2000V
Machine model > 200V
■ 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
74VCX32244G
(Note 2)(Note 3)
BGA96A
Package Description
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
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74VCX32244 Low Voltage 32-Bit Buffer/Line Driver with 3.6V Tolerant Inputs and Outputs
September 2000
74VCX32244
Connection Diagram
Truth Tables
Inputs
Outputs
OE1
I0-I3
L
L
L
L
H
H
H
X
Z
Inputs
Outputs
OE2
I4-I7
L
L
L
L
H
H
H
X
Inputs
Pin Names
Description
Output Enable Input (Active LOW)
I0–I31
Inputs
O0–O31
I8-I11
L
L
L
L
H
H
H
X
Z
FBGA Pin Assignments
A
1
2
3
4
5
6
O1
O0
OE1
OE2
I0
I1
O8–O11
Outputs
OE4
I12-I15
L
L
L
L
H
H
H
X
Z
Inputs
Outputs
Z
Outputs
Inputs
OEn
O4-O7
OE3
(Top Thru View)
Pin Descriptions
O0-O3
O12-O15
Outputs
OE5
I16-I19
L
L
L
L
H
H
H
X
Z
Inputs
O16-O19
Outputs
B
O3
O2
GND
GND
I2
I3
OE6
C
O5
O4
VCC
VCC
I4
I5
L
L
L
D
O7
O6
GND
GND
I6
I7
L
H
H
H
X
Z
I20-I23
O20-O23
E
O9
O8
GND
GND
I8
I9
F
O11
O10
VCC
VCC
I10
I11
G
O13
O12
GND
GND
I12
I13
H
O14
O15
OE4
OE3
I15
I14
J
O17
O16
OE5
OE6
I16
K
O19
018
GND
GND
L
O21
O20
VCC
VCC
M
O23
O22
GND
GND
I22
I23
N
O25
O24
GND
GND
I24
I25
OE8
I28-I31
P
O27
O26
VCC
VCC
I26
I27
L
L
L
R
O29
O28
GND
GND
I28
I29
L
H
H
T
O30
O31
OE8
OE7
I31
I30
H
X
Z
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Inputs
Outputs
OE7
I24-I27
L
L
L
I17
L
H
H
I18
I19
H
I20
I21
X
Inputs
Z
Outputs
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial (HIGH or LOW, inputs may not float)
Z = High Impedance
2
O24-O27
O28-O31
puts are controlled by an Output Enable (OEn) input. When
OEn is LOW, the outputs are in the 2-state mode. When
OEn is HIGH, the standard outputs are in the high impedance mode but this does not interfere with entering new
data into the inputs.
The 74VCX32244 contains thirty-two non-inverting buffers
with 3-STATE outputs. The device is nibble (4 bits) controlled with each nibble functioning identically, but independent of each other. The control pins may be shorted
together to obtain full 32-bit operation.The 3-STATE out-
Logic Diagrams
Byte 1
Byte 2
Byte 3
Byte 4
Note: Please note that these diagrams are provided only for the understanding of logic operations and should not be used to estimate propagation delays.
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74VCX32244
Functional Description
74VCX32244
Absolute Maximum Ratings(Note 4)
Recommended Operating
Conditions (Note 6)
Supply Voltage (VCC )
−0.5V to +4.6V
DC Input Voltage (VI)
−0.5V to +4.6V
Power Supply
−0.5V to +4.6V
Input Voltage
Output Voltage (VO)
Operating
Outputs 3-STATED
Outputs Active (Note 5)
DC Input Diode Current (IIK) VI < 0V
−0.5V to VCC +0.5V
Output Voltage (VO)
−50 mA
Output in Active States
DC Output Diode Current (IOK)
−50 mA
VO > VCC
+50 mA
±50 mA
VCC = 3.0V to 3.6V
±24 mA
VCC = 2.3V to 2.7V
±18 mA
VCC = 1.65V to 2.3V
±6 mA
VCC = 1.2V
DC VCC or GND Current per
Supply Pin (ICC or GND)
0.0V to 3.6V
Output Current in IOH/IOL
DC Output Source/Sink Current
Storage Temperature Range (TSTG)
0V to VCC
Output in 3-STATE
VO < 0V
(IOH/IOL)
1.2V to 3.6V
−0.3V to +3.6V
±100 mA
±100 µA
Free Air Operating Temperature (TA)
−65°C to +150 °C
−40°C to +85°C
Minimum Input Edge Rate (∆t/∆V)
VIN = 0.8V to 2.0V, VCC = 3.0V
10 ns/V
Note 4: The Absolute Maximum Ratings are those values beyond which
the safety of the device cannot be guaranteed. The device should not be
operated at these limits. The parametric values defined in the Electrical
Characteristics tables are not guaranteed at the Absolute Maximum Ratings. The “Recommended Operating Conditions” table will define the conditions for actual device operation.
Note 5: IO Absolute Maximum Rating must be observed.
Note 6: Floating or unused inputs must be held HIGH or LOW.
DC Electrical Characteristics (2.7V < VCC ≤ 3.6V)
Symbol
VIH
VIL
Parameter
Conditions
HIGH Level Input Voltage
LOW Level Input Voltage
VCC
(V)
Min
2.7 - 3.6
2.0
2.3 - 2.7
1.6
1.65 - 2.3
0.65 x VCC
1.4 - 1.6
0.65 x VCC
1.2
0.65 x VCC
HIGH Level Output Voltage
0.8
2.3 - 2.7
0.7
1.65 - 2.3
0.35 x VCC
1.4 - 1.6
0.35 x VCC
2.7 - 3.6
VCC - 0.2
IOH = −12 mA
2.7
2.2
IOH = −18 mA
3.0
2.4
IOH = −24 mA
3.0
2.2
IOH = −100 µA
2.3 - 2.7
VCC - 0.2
IOH = −6 mA
2.3
2.0
IOH = −12 mA
2.3
1.8
IOH = −18 mA
2.3
1.7
IOH = −100 µA
1.65 - 2.3
VCC - 0.2
IOH = −100 µA
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1.65
1.25
1.4 - 1.6
VCC - 0.2
IOH = −2 mA
1.4
1.05
IOH = −100 µA
1.2
VCC - 0.2
4
V
0.05 x VCC
IOH = −100 µA
IOH = −6 mA
Units
V
2.7 - 3.6
1.2
VOH
Max
V
Symbol
(Continued)
Parameter
VCC
Conditions
Min
Max
Units
(V)
VOL
LOW Level Output Voltage
IOL = 100 µA
2.7 - 3.6
0.2
IOL = 12 mA
2.7
0.4
IOL = 18 mA
3.0
0.4
IOL = 24 mA
3.0
0.55
IOL = 100 µA
2.3 - 2.7
0.2
IOL = 12 mA
2.3
0.4
IOL = 18 mA
2.3
0.6
IOL = 100 µA
1.65 - 2.3
0.2
IOL = 6 mA
V
1.65
0.3
1.4 - 1.6
0.2
IOL = 2 mA
1.4
0.35
IOL = 100 µA
1.2
0.05
1.2 - 3.6
±5.0
µA
1.2 - 3.6
±10
µA
µA
IOL = 100 µA
II
Input Leakage Current
0 ≤ VI ≤ 3.6V
IOZ
3-STATE Output Leakage
0 ≤ VO ≤ 3.6V
VI = V IH or VIL
IOFF
Power-OFF Leakage Current
0 ≤ (VI, VO) ≤ 3.6V
ICC
Quiescent Supply Current
VI = V CC or GND
∆ICC
Increase in ICC per Input
0
10
1.2 - 3.6
40
VCC ≤ (VI, VO) ≤ 3.6V (Note 7)
1.2 - 3.6
±40
VIH = VCC −0.6V
2.7 - 3.6
750
µA
µA
Note 7: Outputs disabled or 3-STATE only.
AC Electrical Characteristics
Symbol
tPHL,
Parameter
Propagation Delay
(Note 8)
Conditions
CL = 30 pF, RL = 500Ω
tPLH
CL = 15 pF, RL = 2kΩ
tPZL,
Output Enable Time
CL = 30 pF, RL = 500Ω
tPZH
CL = 15 pF, RL = 2kΩ
tPLZ,
Output Disable Time
CL = 30 pF, RL = 500Ω
tPHZ
CL = 15 pF, RL = 2kΩ
VCC
TA = −40°C to +85°C
(V)
Min
Max
3.3 ± 0.3
0.8
2.5
2.5 ± 0.2
1.0
3.0
1.8 ± 0.15
1.5
6.0
1.5 ± 0.1
1.0
12.0
1.2
1.5
30
3.3 ± 0.3
0.8
3.5
2.5 ± 0.2
1.0
4.1
1.8 ± 0.15
1.5
8.2
1.5 ± 0.1
1.0
16.4
1.2
1.5
41
3.3 ± 0.3
0.8
3.5
2.5 ± 0.2
1.0
3.8
1.8 ± 0.15
1.5
6.8
1.5 ± 0.1
1.0
13.6
1.2
1.5
34
Units
Figure
Number
Figures
1, 2
ns
Figures
5, 6
Figures
1, 3, 4
ns
Figures
5, 6, 7
Figures
1, 3, 4
Figures
5, 7, 8
Note 8: For CL = 50PF, add approximately 300 ps to the AC maximum specification.
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74VCX32244
DC Electrical Characteristics
74VCX32244
Dynamic Switching Characteristics
Symbol
VOLP
VOLV
VOHV
Parameter
Quiet Output Dynamic Peak VOL
Quiet Output Dynamic Valley VOL
Quiet Output Dynamic Valley VOH
Conditions
CL = 30 pF, VIH = VCC, VIL = 0V
CL = 30 pF, VIH = VCC, VIL = 0V
CL = 30 pF, VIH = VCC, VIL = 0V
VCC
TA = +25°C
(V)
Typical
1.8
0.25
2.5
0.6
3.3
0.8
1.8
−0.25
2.5
−0.6
3.3
−0.8
1.8
1.5
2.5
1.9
3.3
2.2
Units
V
V
V
Capacitance
Symbol
Parameter
Conditions
TA = +25°C
Typical
Units
CIN
Input Capacitance
VCC = 1.8, 2.5V or 3.3V, VI = 0V or VCC
6
pF
COUT
Output Capacitance
VI = 0V or VCC, VCC = 1.8V, 2.5V or 3.3V
7
pF
CPD
Power Dissipation Capacitance
VI = 0V or VCC, f = 10 MHz, VCC = 1.8V, 2.5V or 3.3V
20
pF
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74VCX32244
AC Loading and Waveforms (VCC 3.3V ± 0.3V to 1.8V ± 0.15V)
TEST
SWITCH
tPLH, tPHL
Open
tPZL, tPLZ
6V at VCC = 3.3 ± 0.3V;
VCC x 2 at VCC = 2.5 ± 0.2V; 1.8V ± 0.15V
tPZH, tPHZ
GND
FIGURE 1. AC Test Circuit
FIGURE 2. Waveform for Inverting and Non-Inverting Functions
FIGURE 3. 3-STATE Output High Enable and Disable Times for Low Voltage Logic
FIGURE 4. 3-STATE Output Low Enable and Disable Times for Low Voltage Logic
Symbol
VCC
3.3V ± 0.3V
2.5V ± 0.2V
1.8V ± 0.15V
Vmi
1.5V
VCC/2
VCC/2
Vmo
1.5V
VCC/2
VCC/2
VX
VOL +0.3V
VOL +0.15V
VOL +0.15V
VY
VOH −0.3V
VOH −0.15V
VOH −0.15V
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74VCX32244
AC Loading and Waveforms (VCC 1.5 ± 0.1V to 1.2V)
TEST
SWITCH
tPLH, tPHL
Open
tPZL, tPLZ
VCC x 2 at VCC = 1.5 ± 0.1V
tPZH, tPHZ
GND
FIGURE 5. AC Test Circuit
FIGURE 6. Waveform for Inverting and Non-Inverting Functions
FIGURE 7. 3-STATE Output High Enable and Disable Times for Low Voltage Logic
FIGURE 8. 3-STATE Output Low Enable and Disable Times for Low Voltage Logic
VCC
Symbol
1.5V ± 0.1V
VCC/2
Vmi
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Vmo
VCC/2
VX
VOL +0.1V
VY
VOH −0.1V
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96-Ball Fine-Pitch Ball Grid Array (FBGA), JEDEC MO-205, 5.5mm Wide
Package Number BGA96A
Fairchild does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and
Fairchild reserves the right at any time without notice to change said circuitry and specifications.
LIFE SUPPORT POLICY
FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT
DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD
SEMICONDUCTOR CORPORATION. As used herein:
2. A critical component in any component of a life support
device or system whose failure to perform can be reasonably expected to cause the failure of the life support
device or system, or to affect its safety or effectiveness.
1. Life support devices or systems are devices or systems
which, (a) are intended for surgical implant into the
body, or (b) support or sustain life, and (c) whose failure
to perform when properly used in accordance with
instructions for use provided in the labeling, can be reasonably expected to result in a significant injury to the
user.
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74VCX32244 Low Voltage 32-Bit Buffer/Line Driver with 3.6V Tolerant Inputs and Outputs
Physical Dimensions inches (millimeters) unless otherwise noted