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Электронный компонент: PI74FCT2153T/2253T

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1
PS2009A 03/09/96
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PI74FCT153T/253T
(25
Series) PI74FCT2153T/2253T
HIGH SPEED CMOS DUAL 4-INPUT MULTIPLEXER
Product Description:
Pericom Semiconductor's PI74FCT series of logic circuits are pro-
duced in the Company's advanced 0.8 micron CMOS technology,
achieving industry leading speed grades. All PI74FCT2XXX devices
have a built-in 25-ohm series resistor on all outputs to reduce noise
resulting from reflections, thus eliminating the need for an external
terminating resistor.
The PI74FCT153T/253T and PI74FCT2153T/2253T are high-
speed dual 4-input multiplexers. The PI74FCT153T/2153T has
TTL outputs, while the PI74FCT253T/2253T has 3-state outputs.
The output buffers are designed with a power-off disable allowing
"live insertion" of boards when used as backplane drivers.
Logic Block Diagram
Product Features:
PI74FCT153T/253T/2153T/2253T is pin compatible with
bipolar FASTTM Series at a higher speed and lower power
consumption
25
series resistor on all outputs ( FCT2XXX only)
TTL input and output levels
Low ground bounce outputs (25
series only)
Extremely low static power
Hysteresis on all inputs
Industrial operating temperature range: 40C to +85C
Packages available:
16-pin 150 mil wide plastic QSOP (Q)
16-pin 300 mil wide plastic SOIC (S)
16-pin 150 mil wide plastic SOIC (W)
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PI74FCT153T/253T
(25
Series) PI74FCT2153T/2253T
High-Speed CMOS Dual 4-Input Multiplexer
O
b
I
3b
I
2b
I
1b
I
0b
O
a
I
3a
I
2a
I
1a
I
0a
S
0
S
1
E
a
E
b
3-State Enable
on 253 Only
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PS2009A 03/09/96
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PI74FCT153T/253T
(25
Series) PI74FCT2153T/2253T
HIGH SPEED CMOS DUAL 4-INPUT MULTIPLEXER
Product Pin Description
Pin Name
Description
I
0a
-I
3a
, I
0b
-I
3b
Data Inputs
S
0
, S
1
Select Inputs
E
a
, E
b
Enable Input
O
a
, O
b
Data Outputs
GND
Ground
V
CC
Power
Inputs
Outputs
'153/2153
'253/2253
E
a
E
b
S
1
S
0
O
a
O
b
O
a
O
b
H
X
X
X
L
X
Z
X
X
H
X
X
X
L
X
Z
L
L
L
L
I
0a
I
0b
I
0a
I
0b
L
L
L
H
I
1a
I
1b
I
1a
I
1b
L
L
H
L
I
2a
I
2b
I
2a
I
2b
L
L
H
H
I
3a
I
3b
I
3a
I
3b
Truth Table
(1)
NOTE:
1.
H = High Voltage Level
L = Low Voltage Level
X = Don't Care
Z = High Impedance
Product Pin Configuration
V
CC
1
E
a
16
E
b
2
S
1
15
S
0
3
I
3a
14
I
3b
4
I
2a
13
I
2b
5
I
1a
12
I
1b
6
I
0a
11
I
0b
7
O
a
10
O
b
8
GND
9
16-PIN
Q16
S16
W16
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PI74FCT153T/253T
(25
Series) PI74FCT2153T/2253T
HIGH SPEED CMOS DUAL 4-INPUT MULTIPLEXER
Maximum Ratings
(Above which the useful life may be impaired. For user guidelines, not tested.)
Storage Temperature ................................................................. 65C to +150C
Ambient Temperature with Power Applied ................................. -40C to +85C
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 ......................................................................................... 0.5W
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. Exposure to
absolute maximum rating conditions for
extended periods may affect reliability.
DC Electrical Characteristics
(Over the Operating Range, T
A
= 40C to +85C, V
CC
= 5.0V 5%)
Parameters Description
Test Conditions
(1)
Min. Typ
(2)
Max. Units
V
OH
Output HIGH Voltage
V
CC
= Min., V
IN
= V
IH
or V
IL
I
OH
= 15.0 mA
2.4
3.0
V
V
OL
Output LOW Current
V
CC
= Min., V
IN
= V
IH
or V
IL
I
OL
= 48 mA
0.3
0.50
V
V
OL
Output LOW Current
V
CC
= Min., V
IN
= V
IH
or V
IL
I
OL
= 12 mA (25
Series)
0.3
0.50
V
V
IH
Input HIGH Voltage
Guaranteed Logic HIGH Level
2.0
V
V
IL
Input LOW Voltage
Guaranteed Logic LOW Level
0.8
V
I
IH
Input HIGH Current
V
CC
= Max.
V
IN
= V
CC
1
A
I
IL
Input LOW Current
V
CC
= Max.
V
IN
= GND
1
A
I
OZH
High Impedance
V
CC
= M
AX
.
V
OUT
= 2.7V
1
A
I
OZL
Output Current
V
OUT
= 0.5V
1
A
V
IK
Clamp Diode Voltage
V
CC
= Min., I
IN
= 18 mA
0.7
1.2
V
I
OFF
Power Down Disable
V
CC
= GND, V
OUT
= 4.5V
--
--
100
A
I
OS
Short Circuit Current
V
CC
= Max.
(3)
, V
OUT
= GND
60
120
mA
V
H
Input Hysteresis
200
mV
Capacitance
(T
A
= 25C, f = 1 MHz)
Parameters
(4)
Description
Test Conditions
Typ
Max.
Units
C
IN
Input Capacitance
V
IN
= 0V
6
10
pF
C
OUT
Output Capacitance
V
OUT
= 0V
8
12
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 = 5.0V, +25C 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 determined by device characterization but is not production tested.
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PI74FCT153T/253T
(25
Series) PI74FCT2153T/2253T
HIGH SPEED CMOS DUAL 4-INPUT MULTIPLEXER
Power Supply Characteristics
Parameters Description
Test Conditions
(1)
Min.
Typ
(2)
Max.
Units
I
CC
Quiescent Power
V
CC
= Max.
V
IN
= GND or V
CC
0.1
500
A
Supply Current
I
CC
Supply Current per
V
CC
= Max.
V
IN
= 3.4V
(3)
0.5
2.0
mA
Input @ TTL HIGH
I
CCD
Supply Current per
V
CC
= Max.,
V
IN
= V
CC
0.15
0.25
mA/
Input per MHz
(4)
Outputs Open
V
IN
= GND
MHz
Other inputs at GND
One Bit Toggling
50% Duty Cycle
I
C
Total Power Supply
V
CC
= Max.,
V
IN
= V
CC
3.2
6.5
(5)
mA
Current
(6)
Outputs Open
V
IN
= GND
f
I
= 10 MH
Z
50% Duty Cycle
V
IN
= 3.4V
3.5
7.5
(5)
Other inputs at GND
V
IN
= GND
One Bit Toggling
Notes:
1. For conditions shown as Max. or Min., use appropriate value specified under Electrical Characteristics for the applicable device.
2. Typical values are at Vcc = 5.0V, +25C ambient.
3. Per TTL driven input (V
IN
= 3.4V); all other inputs at Vcc or GND.
4. This parameter is not directly testable, but is derived for use in Total Power Supply Calculations.
5. Values for these conditions are examples of the Icc formula. These limits are guaranteed but not tested.
6. I
C
=I
QUIESCENT
+ I
INPUTS
+ I
DYNAMIC
I
C
= I
CC
+
I
CC
D
H
N
T
+ I
CCD
(f
CP
/2 + f
I
N
I
)
I
CC
= Quiescent Current
I
CC
= Power Supply Current for a TTL High Input (V
IN
= 3.4V)
D
H
= Duty Cycle for TTL Inputs High
N
T
= Number of TTL Inputs at D
H
I
CCD
= Dynamic Current Caused by an Input Transition Pair (HLH or LHL)
f
CP
= Clock Frequency for Register Devices (Zero for Non-Register Devices)
f
I
= Input Frequency
N
I
= Number of Inputs at f
I
All currents are in milliamps and all frequencies are in megahertz.
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PI74FCT153T/253T
(25
Series) PI74FCT2153T/2253T
HIGH SPEED CMOS DUAL 4-INPUT MULTIPLEXER
PI74FCT253/2253T Switching Characteristics over Operating Range
253T/2253T
253AT/2253AT
253CT/2253CT
Com.
Com.
Com.
Parameters
Description
Conditions
(1)
Min
Max
Min
Max
Min
Max
Unit
t
PLH
Propagation Delay
C
L
= 50 pF
1.5
9.0
1.5
6.6
1.5
5.6
ns
t
PHL
S
n
to O
R
L
= 500
t
PLH
Propagation Delay
1.5
7.0
1.5
5.2
1.5
4.5
ns
t
PHL
I
n
to O
t
PZH
Output Enable Time
1.5
9.0
1.5
6.0
1.5
5.0
ns
t
PZL
E to O
t
PHZ
Output Disable Time
(3)
1.5
7.0
1.5
6.0
1.5
5.0
ns
t
PLZ
E to O
Notes:
1. See test circuit and wave forms.
2. Minimum limits are guaranteed but not tested on Propagation Delays.
3. This parameter guaranteed but not production tested.
PI74FCT153/2153T Switching Characteristics over Operating Range
153T/2153T
153AT/2153AT
153CT/2153CT
Com.
Com.
Com.
Parameters
Description
Conditions
(1)
Min
Max
Min
Max
Min
Max
Unit
t
PLH
Propagation Delay
C
L
= 50 pF
1.5
9.0
1.5
6.6
1.5
5.6
ns
t
PHL
S
n
to O
R
L
= 500
t
PLH
Propagation Delay
1.5
7.0
1.5
5.2
1.5
4.5
ns
t
PHL
I
n
to O
t
PLH
Propagation Delay
1.5
7.0
1.5
5.2
1.5
4.8
ns
t
PHL
E to O
Pericom Semiconductor Corporation
2380 Bering Drive San Jose, CA 95131 1-800-435-2336 Fax (408) 435-1100 http://www.pericom.com