參數(shù)資料
型號： PI74LPT244
廠商： Pericom Semiconductor Corp.
英文描述： Fast CMOS 3.3V 8-Bit Buffer/Line Driver
中文描述： 快速CMOS 3.3V的8位緩沖器/線路驅(qū)動器
文件頁數(shù)： 2/4頁
文件大?。?/td> 43K
代理商： PI74LPT244
PI74LPT244
3.3V 8-BIT BUFFER/LINE DRIVER
2
PS2058A 01/15/97
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Maximum Ratings
(Above which the useful life may be impaired. For user guidelines, not tested.)
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 condi-
tions above those indicated in the operational sec-
tions of this specification is not implied. Exposure to
absolute maximum rating conditions for extended
periods may affect reliability.
DC Electrical Characteristics
(Over the Operating Range, T
A
= –40°C to +85°C, V
CC
= 2.7V to 3.6V)
Parameters
V
IH
Description
Test Conditions
(1)
Min.
2.2
2.0
–0.5
Typ
(2)
—
—
—
Max.
5.5
5.5
0.8
Units
V
V
V
Input HIGH Voltage (Input pins)
Input HIGH Voltage (I/O pins)
Input LOW Voltage
(Input and I/O pins)
Input HIGH Current (Input pins)
Input HIGH Current (I/O pins)
Input LOW Current (Input pins)
Input LOW Current (I/O pins)
High Impedance Output Current
(3-State Output pins)
Clamp Diode Voltage
Output HIGH Current
Output LOW Current
Output HIGH Voltage
Guaranteed Logic HIGH Level
V
IL
Guaranteed Logic LOW Level
I
IH
V
CC
= Max.
V
CC
= Max.
V
CC
= Max.
V
CC
= Max.
V
CC
= Max.
V
CC
= Max.
V
CC
= Min., I
IN
= –18 mA
V
CC
= 3.3V, V
IN
= V
IH
or V
IL
, V
O
= 1.5V
(3)
V
CC
= 3.3V, V
IN
= V
IH
or V
IL
, V
O
= 1.5V
(3)
V
CC
= Min.
V
IN
= V
IH
or V
IL
V
CC
= 3.0V,
V
IN
= V
IH
or V
IL
V
CC
= Min.
V
IN
= V
IH
or V
IL
V
IN
= 5.5V
V
IN
= V
CC
V
IN
= GND
V
IN
= GND
V
OUT
= 5.5V
V
OUT
= GND
—
—
—
—
—
—
—
–36
50
—
—
—
—
—
—
–0.7
–60
90
—
3.0
3.0
—
—
0.2
0.3
–85
—
150
±1
±1
±1
±1
±1
±1
–1.2
–110
200
—
—
—
—
0.2
0.4
0.5
–240
±100
—
μA
μA
μA
μA
μA
μA
V
mA
mA
V
V
V
I
IL
I
OZH
I
OZL
V
IK
I
ODH
I
ODL
V
OH
I
OH
= –0.1 mA Vcc-0.2
I
OH
= –3 mA
I
OH
= –8 mA
I
OH
= –24 mA
I
OL
= 0.1 mA
I
OL
= 16 mA
I
OL
= 24 mA
2.4
2.4
(5)
2.0
—
—
—
–60
—
—
V
OL
Output LOW Voltage
V
V
V
I
OS
I
OFF
V
H
Short Circuit Current
(4)
Power Down Disable
Input Hysteresis
V
CC
= Max.
(3)
, V
OUT
= GND
V
CC
= 0V, V
IN
or V
OUT
≤
4.5V
mA
μA
mV
Capacitance
(T
A
= 25°C, f = 1 MHz)
Parameters
(1)
C
IN
C
OUT
Description
Input Capacitance
Output Capacitance
Test Conditions
V
IN
= 0V
V
OUT
= 0V
Typ
4.5
5.5
Max.
6
8
Units
pF
pF
Notes:
1. For Max. or Min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device type.
2. Typical values are at Vcc = 3.3V, +25°C ambient and maximum loading.
3. Not more than one output should be shorted at one time. Duration of the test should not exceed one second.
4. This parameter is guaranteed but not tested.
5. V
OH
= V
CC
– 0.6V at rated current.
Note:
1. This parameter is determined by device characterization but is not production tested.
Storage Temperature ............................................................. –55°C to +125°C
Ambient Temperature with Power Applied ............................ –40°C to +85°C
Supply Voltage to Ground Potential (Inputs & Vcc Only) ......–0.5V to +7.0V
Supply Voltage to Ground Potential (Outputs & D/O Only) ...–0.5V to +7.0V
DC Input Voltage .....................................................................–0.5V to +7.0V
DC Output Current ...............................................................................120 mA
Power Dissipation..................................................................................... 1.0W
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