1PS7010C 10/06/99
3.3V 1:10 CMOS Clock Driver
Description
Pericom Semiconductors PI49FCT series of logic circuits are
produced using the Companys advanced 0.5 micron CMOS
technology, achieving speeds up to 150 MHz, low-power dissipation,
and output skew less than 150ps.
The PI49FCT3807 is a 3.3V very low skew clock buffer that produces
ten outputs from a single low-capacitance input. Excellent output
signals to power and ground ratio minimize power and ground noise,
and also improves output performance.
Product Pin Configuration
Pin Name Description
A Input
B0-B9Outputs
GND Ground
VCC Power
Product Pin Description
V
CC
A1 20B
9
GND 2 19 B
8
B
0
318
GNDV
CC
417
B
7
B
1
516
V
CC
GND 6 15 B
6
B
2
714
GNDV
CC
813
B
5
B
3
912
B
4
GND 10 11
20-Pin
H, Q, S
Logic Block Diagram
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PI49FCT3807
eatures
Ultra low skew: <150ps
Fast switching frequency <150 MHz
Fast output rise/fall time <1.2ns
Low propagation delay <3.0ns
Low input capacitance <4.0pF
5V I/O Tolerant input
Rail-to-Rail CMOS outputs
Industrial Temperature: 40°C to +85°C
3.3V ±10% operation
Packages available:
20-pin 300-mil wide SOIC (S)
20-pin 150-mil wide QSOP (Q)
20-pin 209-mil wide SSOP (H)
B0
A
B1
B2
B3
B4
B5
B6
B7
B8
B9
PI49FCT3807
3.3V 1:10 Clock Driver
2PS7010C 10/06/99
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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 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)
Parameters Description Test Conditions(1) Min. Typ(2) Max. Units
VOH Output HIGH Voltage VCC = Min., VIN = VIH or VIL IOH = –0.1mA VCC–0.2 — — V
IOH = –8mA 2.4(3) 3.0
VOL Output LOW Voltage VCC = Min., VIN = VIH or VIL IOL = 0.1mA — — 0.2 V
IOL = 16mA — 0.2 0.4
IOL= 24mA — 0.3 0.5
VIH Input HIGH Voltage Guaranteed Logic HIGH Level (Input Pins) 2.0 — 5.5 V
VIL Input LOW Voltage Guaranteed Logic LOW Level (Input Pins) –0.5 — 0.8 V
IIH Input HIGH Current VCC = Max. VIN = VCC —— 1µA
IIL Input LOW Current VCC = Max. V IN = GND — — –1 µA
VIK Clamp Diode Voltage VCC = Min., IIN = –18mA — –0.7 –1.2 V
IODH Output HIGH Current VCC = 3.3V, VIN =VIH or VIL, VOUT = 1.5V(4) –35 –60 –110 mA
IODL Output LOW Current VCC = 3.3V, VIN =VIH or VIL, VOUT = 1.5V(4) 50 90 200 mA
IOS Short Circuit Current(5) VCC = Max., VOUT = GND(5) –60 –135 –240 mA
VHInput Hysteresis — 150 — mV
Operating Range
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. VOH = VCC – 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.
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 & D/O Only) .–0.5V to +7.0V
DC Input Voltage ...................................................................–0.5V to +7.0V
DC Output Current ..............................................................................120mA
Power Dissipation................................................................................... 0.5W
Ambient Temperature = -40°C to +85°C
VCC = 3.3V ±0.3V
PI49FCT3807
3.3V 1:10 Clock Driver
3PS7010C 10/06/99
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Power Supply Characteristics
Parameters Description Test Conditions(1) Min. Typ(2) Max. Units
ICC Quiescent Power VCC = Max. VIN = GND or VCC —330µA
Supply Current
∆ICC Supply Current per VCC = Max. VIN = VCC – 0.6V(3) — 2.0 300 µA
Inputs @ TTL HIGH
ICCD Supply Current per VCC = Max., VIN = VCC — mA/
Input per MHz(4) Outputs Open VIN = GND MHz
Per Output Toggling
50% Duty Cycle
Notes:
1. For Max. or Min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device.
2. Typical values are at VCC = 3.3V, +25°C ambient.
3. Per TTL driven input (VIN = VCC – 0.6V); 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 IC formula. These limits are guaranteed but not tested.
Capacitance (TA = 25°C, f = 1 MHz)
Parameters(1) Description Test Conditions Typ Max. Units
CIN Input Capacitance VIN = 0V 3.0 4.0 pF
COUT Output Capacitance VOUT = 0V 4.0 6.0 pF
Notes:
1. This parameter is determined by device characterization but is not production tested.
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Maximum Switching Characteristics (Over operating range)
Notes:
1. 50-Ohm AC terminated or 50-Ohm to VCC/2.
2. Other loading condition is shown in Figure........
3. These parameters are guaranteed by design.
4. Minimum propagation delay of 1.5ns is guaranteed by design.
PI49FCT3807
3.3V 1:10 Clock Driver
4PS7010C 10/06/99
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Test Switch
Disable LOW 6V
Enable LOW
Disable HIGH GND
Enable HIGH
All Other Inputs Open
Switch Position
DEFINITIONS:
CL = Load capacitance: includes jig and
probe capacitance.
RT = Termination resistance: should be
equal to ZOUT of the Pulse Generator.
Pulse
Generator D.U.T.
V
IN
R
T
V
OUT
C
L
500
Ω
500
Ω
50pF
V
CC
6.0V
Tests Circuits for All Outputs(1)
SWITCHING WAVEFORMS
Propagation Delay
Package Skew – tSK(t)
Pulse Skew – tSK(p)
Output Skew – tSK(o)
Input
t
PLH
3V
1.5V
0V
Output
V
OH
1.5V
V
OL
t
PHL
2.0V
0.5V
t
R
t
F
Input
t
PLHx
3V
1.5V
0V
Ox
V
OH
1.5V
V
OL
t
PHLx
t
SK(o)
Oy
V
OH
1.5V
V
OL
t
SK(o)
t
PLHy
t
PHLy
t
SK(o)
=
t
PLHy
t
PLHx
or
t
PHLy
t
PHLx
Input
t
PLH
3V
1.5V
0V
Output
V
OH
1.5V
V
OL
t
PHL
t
SK(p)
=
t
PHL
t
PLH
Input
t
PLH1
3V
1.5V
0V
Package 1
Output
V
OH
1.5V
V
OL
t
PHL1
t
SK(t)
Package 2
Output
V
OH
1.5V
V
OL
t
SK(t)
t
PLH2
t
PHL2
t
SK(t)
=
t
PLH2
t
PLH1
or
t
PHL2
t
PHL1
PI49FCT3807
3.3V 1:10 Clock Driver
5PS7010C 10/06/99
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Pericom Semiconductor Corporation
2380 Bering Drive • San Jose, CA 95131 • 1-800-435-2336 • Fax (408) 435-1100 • http://www.pericom.com
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Ordering Information
Note:
x = Speed grades: “Blank,” A, B, C, D
X X X
Temperature Range
"Blank" Commercial (0˚C to +70˚C)
"I" Industrial (–40˚C to +85˚C)
Speed Grade
A, B, C, D
Package Type
S 300 mil SOIC (S)
Q 150 mil QSOP (Q)
H 209 mil SSOP (H)
PI49FCT3807
Part Number
Marketing Information
X X X
Temperature Range
"Blank" Commercial (0˚C to +70˚C)
"I" Industrial (–40˚C to +85˚C)
Speed Grade
A, B, C, D
Package Type
S 300 mil SOIC (S)
Q 150 mil QSOP (Q)
H 209 mil SSOP (H)
PI49FCT3807
Part Number
