PI74ALVCH162244 [PERICOM]
16-Bit Buffer Driver with 3-STATE Outputs; 16位缓冲驱动器具有三态输出
| 型号： | PI74ALVCH162244 |
| 厂家： | 
PERICOM SEMICONDUCTOR CORPORATION |
| 描述： | 16-Bit Buffer Driver with 3-STATE Outputs |
| 文件： | 总4页 (文件大小：418K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
PI74ALVCH162244
16-Bit Buffer Driver
with 3-STATE Outputs
Product Features
Product Description
Pericom Semiconductors PI74ALVCH series of logic circuits
are produced in the Companys advanced 0.5 micron CMOS
technology, achieving industry leading speed.
• PI74ALVCH162244 is designed for low voltage operation
• V = 2.3V to 3.6V
CC
• Hysteresis on all inputs
• Typical V
(Output Ground Bounce)
OLP
The PI74ALVCH162244 is an non-inverting 16-bit buffer/driver
< 0.8V at V = 3.3V, T = 25°C
CC
A
designed for low voltage 2.3V to 3.6V V operation.
CC
• Typical V
(Output V
Undershoot)
OH
OHV
The buffer/driver is designed specifically to improve both the
performance and density of 3-STATE memory address drivers,
clock drivers, and bus-oriented receivers and transmitters.
< 2.0V at V = 3.3V, T = 25°C
CC
A
• Output ports have equivalent 26Ω series resistors:
no external resistors are required
• Bus Hold retains last active bus state during 3-STATE,
eliminating the need for external pullup resistors
• Industrial operation at 40°C to +85°C
• Packages available:
The device can be used as four 4-bit buffers, two 8-bit buffers, or
one 16-bit buffer. It provides inverting outputs and symmetrical
active-low output-enable (OE) inputs.
To ensure the high-impedance state during power up or power
down, OE should be tied to V
through a pullup resistor in
CC
48-pin 240 mil wide plastic TSSOP (A)
48-pin 300 mil wide plastic SSOP (V)
which the minimum value is determined by the current-sinking
capability of the driver.
The PI74ALVCH162244 has Bus Hold which retains the data
inputs last state whenever the data input goes to high-imped-
ance preventing floating inputs and eliminating the need for
pullup/down resistors.
Logic Block Diagram
1OE
3OE
1A0
1A1
1A2
1A3
1Y0
1Y1
1Y2
1Y3
3A
3A
3A
3A
0
1
2
3
3Y
3Y
3Y
3Y
0
1
2
3
2OE
4OE
2A0
2A1
2A2
2A3
2Y0
2Y1
2Y2
2Y3
4A
4A
4A
4A
0
1
2
3
4Y
4Y
4Y
4Y
0
1
2
3
PS8092B
07/14/00
1
PI74ALVCH162244
16-Bit Buffer Driver with 3-STATE Outputs
Product Pin Description
Truth Table(1)
Pin Name
OE
Description
Inputs
Outputs
3-State Output Enable Inputs (Active LOW)
OE
L
Ax
H
Yx
H
L
Ax
Inputs
Yx
3-State Outputs
Ground
GND
L
L
V
CC
Power
H
X
Z
Notes:
1. H = High Signal Level
L = Low Signal Level
X = Don't Care or Irrelevant
Z = High Impedance
Product Pin Configuration
PS8092B
07/14/00
2
PI74ALVCH162244
16-Bit Buffer Driver with 3-STATE Outputs
MaximumRatings
(Above which the useful life may be impaired. For user guidelines, not tested.)
Storage Temperature .......................................................... 65°C to +150°C
Ambient Temperature with Power Applied .........................40°C to +85°C
Input Voltage Range, V ....................................................0.5V to V +0.5V
Note:
Stresses greater than those listed under MAXIMUM
RATINGS may cause permanent damage to the device. This
is a stress rating only and functional operation of the device
at these or any other conditions above those indicated in the
operational sections of this specification is not implied.
Exposuretoabsolutemaximumratingconditionsforextended
periods may affect reliability.
IN
CC
CC
Output Voltage Range, V
.............................................0.5V to V
+0.5V
OUT
DC Input Voltage ................................................................... 0.5V to +5.0V
DC Output Current ............................................................................. 100 mA
Power Dissipation................................................................................... 1.0W
DC Electrical Characteristics (Over the Operating Range, TA = 40°C to +85°C, VCC = 3.3V ±10%)
(1)
(2)
Parameters
Description
Test Conditions
Min.
2.3
Typ.
Max.
Units
V
CC
Supply Voltage
3.6
V
= 2.3V to 2.7V
= 2.7V to 3.6V
= 2.3V to 2.7V
= 2.7V to 3.6V
1.7
CC
(3)
V
Input HIGH Voltage
Input LOW Voltage
IH
V
CC
2.0
V
CC
0.7
0.8
(3)
V
IL
V
CC
(3)
V
Input Voltage
0
0
V
CC
IN
(3)
OUT
V
Output Voltage
V
CC
I
OH
= -100mA, V = Min. to Max.
V
CC
-0.2
CC
V
= 1.7V, I = -4mA, V = 2.3V
1.9
IH
OH
CC
V
Output
HIGH
V
IH
= 1.7V, I = -6mA, V = 2.3V
1.7
2.4
2.0
2.0
OH
CC
V
OH
Voltage
V
IH
= 2.0V, I = -6mA, V = 2.3V
OH CC
V
IH
= 2.0V, I = -8mA, V = 2.7V
OH CC
V
IH
= 2.0V, I = -12mA, V = 3.0V
OH CC
I
OL
= 100mA, V = Min. to Max.
0.2
IL
V
= 0.7V, I = 4mA, V = 2.3V
0.4
0.55
0.55
0.8
IL
OL
CC
Output
LOW
Voltage
V
OL
V
IL
= 0.7V, I = 6mA, V = 2.3V
OL CC
V
IL
= 0.8V, I = 6mA, V = 3.0V
OL CC
V
IL
= 0.8V, I = 12mA, V = 3.0V
OL CC
V
= 2.3V
-6
CC
Output
HIGH
Current
(3)
OH
I
V
CC
= 2.7V
= 3.0V
-8
V
CC
-12
mA
V
= 2.3V
6
CC
Output
LOW
Current
(3)
OL
I
V
CC
= 2.7V
= 3.0V
8
V
CC
12
PS8092B
07/14/00
3
PI74ALVCH162244
16-Bit Buffer Driver with 3-STATE Outputs
DC Electrical Characteristics-Continued (Over the Operating Range, TA = 40°C to +85°C, VCC = 3.3V ±10%)
(1)
(2)
Parameters Description
Test Conditions
= V or GND, V = 3.6V
Min.
Typ.
Max.
Units
I
IN
Input Current
V
IN
±5
CC
CC
V
IN
= 0.7V, V = 2.3V
45
CC
V
= 1.7V, V = 2.3V
-45
75
IN
CC
Input
Hold
Current
I
IN
(
HOLD
)
V
IN
= 0.8V, V = 3.0V
CC
V
IN
= 2.0V, V = 3.0V
-75
CC
mA
V
= 0 to 3.6V, V = 3.6V
±500
±10
IN
CC
I
Output Current (3-STATE Outputs)
Supply Current
V
= V or GND, V = 3.6V
OZ
OUT CC CC
V
= 3.6V, I
= 0mA,
CC
CC
V
OUT
I
CC
40
= GND or V
IN
V
= 3.0V to 3.6V
CC
Supply Current per Input
@ TTL HIGH
DI
CC
One Input at V - 0.6V
Other Inputs at V or GND
750
CC
CC
Control Inputs
Data Inputs
Outputs
3.5
6
C
V
= V or GND, V = 3.3V
I
IN CC CC
pF
C
V = V or GND, V = 3.3V
7
O
O
CC
CC
Notes:
1. For conditions shown as Max. or Min., use appropriate value specified under Electrical Characteristics for the applicable device type.
2. Typical values are at V = 3.3V, +25°C ambient and maximum loading.
CC
3. Unused Control Inputs must be held HIGH or LOW to prevent them from floating.
SwitchingCharacteristicsoverOperatingRange(1)
V
= 2.5V ± 0.2V
V
= 2.7V
V = 3.3V ± 0.3V
CC
CC
CC
From
(INPUT)
To
Parameters
Units
(OUTPUT)
(2)
(2)
(2)
Min.
1.0
Max. Min.
Max. Min.
Max.
t
PD
A
Y
Y
Y
4.9
6.8
6.3
4.7
6.7
5.7
1.0
4.2
5.6
5.5
t
EN
OE
OE
1.0
1.0
1.0
ns
t
1.0
DIS
Description
Input Transition Rise or Fall
(3)
Dt/Dv
Notes:
1. See test circuit and waveforms.
0
10
0
10
0
10
ns/V
2. Minimum limits are guaranteed but not tested on Propagation Delays.
3. Recommended operating condition.
Operating Characteristics, T = 25ºC
A
V
CC
= 2.5V ± 0.2V
V
= 3.3V ± 0.3V
CC
Parameter
Test Conditions
Units
Typical
Outputs Enabled
Outputs Disabled
16
4
18
6
C
Power Dissipation
Capacitance
C = 50pF,
L
f = 10 MHz
PD
pF
Pericom Semiconductor Corporation
2380 Bering Drive • San Jose, CA 95131 • 1-800-435-2336 • Fax (408) 435-1100 • http://www.pericom.com
PS8092B
07/14/00
4
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