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PI49FCT3805AQ

Part # PI49FCT3805AQ
Description IC CLK BUFFER 1:5 66MHZ 20QSOP
Category IC
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Technical Document


DISCLAIMER: The information provided herein is solely for informational purposes. Customers must be aware of the suitability of this product for their application, and consider that variable factors such as Manufacturer, Product Category, Date Codes, Pictures and Descriptions may differ from available inventory.

1
PS7007B 01/13/99
3.3V Fast CMOS Buffer/Clock Driver
OA
0-4
5
OE
A
IN
A
OB
0-4
5
OE
B
IN
B
MON
PI49FCT3805 Logic Block Diagram
OA
0-4
5
OE
A
IN
A
OB
0-4
5
OE
B
IN
B
MON
PI49FCT3806 Logic Block Diagram
PI49FCT3805/PI49FCT3806
PI49FCT3805A/PI49FCT3806A
PI49FCT3805B/PI49FCT3806B
PI49FCT3805C/PI49FCT3806C
Product Description
Pericom Semiconductors PI49FCT series of logic circuits are
produced using the Companys advanced submicron CMOS
technology, achieving industry leading speed grades.
The PI49FCT3805 is a 3.3V non-inverting clock driver and the
PI49FCT3806 is a 3.3V inverting clock driver designed with two
independent groups of buffers. These buffers have 3-state Output
Enable inputs (active LOW) with a 1-in, 5-out configuration per
group. Each clock driver consist of two banks of drivers, driving five
outputs each from a standard TTL compatible CMOS input.
Features
3.3V version of PI49FCT805/806
Extremely low output skew: 0.5ns
Monitor ouput pin
Clock busing wih 3-state control
TTL inpu and CMOS output compatible
Industrial operation at40°C to 85°C
Extremely low static power (1mW, typ.)
Hysteresis on all inputs
Packages available:
 20-pin 300-mil wide SOIC (S)
 20-pin 150-mil wide QSOP (Q)
 20-pin 209-mil wide SSOP (H)
Device models available on request
2
PS7007B 01/13/99
PI49FCT3805/3806
3.3V Fast CMOS Buffer/Clock Driver
Capacitance (T
A
= 25°C, f = 1 MHz)
Parameters
(1)
Description Test Conditions Typ Max. Units
C
IN
Input Capacitance V
IN
= 0V 4.5 6.0 pF
C
OUT
Output Capacitance V
OUT
= 0V 5.5 8.0 pF
Product Pin Description
Pin Name Description
OEA, OEB 3-State Output Enable Inputs (Active LOW)
INA, INB Clock Inputs
OAN, OBN Clock Outputs
MON Monitor Output
GND Ground
VCC Power
VCCA
OA0
OA1
OA2
GNDA
OA3
OA4
GNDQ
OEA
INA
VCCB
OB0
OB1
OB2
GNDB
OB3
OB4
MON
OE
B
INB
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
20-Pin
H20
Q20
S20
PI49FCT3805 Product Pin Configuration
Inputs Outputs
OEA, OEB INA, INB OAN, OBN MON
LLLL
LHHH
HLZL
HHZH
PI49FCT3805 Truth Table
(1)
Note:
1. H = High Voltage Level
L = Low Voltage Level
Z = High Impedance
Inputs Outputs
OEA, OEB INA, INB OAN, OBN MON
LLHH
LHLL
HLZH
HHZL
PI49FCT3806 Truth Table
(1)
Note:
1. H = High Voltage Level
L = Low Voltage Level
Z = High Impedance
VCCA
OA0
OA1
OA2
GNDA
OA3
OA4
GNDQ
OEA
INA
VCCB
OB0
OB1
OB2
GNDB
OB3
OB4
MON
OE
B
INB
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
20-Pin
H20
Q20
S20
PI49FCT3806 Product Pin Configuration
Note:
1. This parameter is determined by device characterization but is not production tested.
3
PS7007B 01/13/99
PI49FCT3805/3806
3.3V Fast CMOS Buffer/Clock Driver
Storage Temperature ............................................................ –65°C to +150°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 & I/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 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.
Maximum Ratings
(Above which the useful life may be impaired. For user guidelines, not tested.)
Notes:
1. For Max. or Min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device type.
2. Typical values are at V
CC
= 3.3V, +25°C ambient and maximum loading.
3. V
OH
= V
CC
– 0.6V at rated current.
4. This parameter is determined by device characterization but is not production tested.
5. Not more than one output should be shorted at one time. Duration of the test should not exceed one second.
Operating Range
Ambient Temperature = –40°C to +85°C, Vcc = 3.3V ±0.3V
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DC Electrical Characteristics (Over the Operating Range)
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