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PI49FCT32805
3.3V, 2 x 1:5 CMOS Clock Driver
Features
* * * * * * * * *
Low output skew: <270ps Switching frequency of 133 MHz Fast output rise/fall time <1.5ns Low propagation delay <3.0ns Low input capacitance <6.0pF Balanced CMOS outputs Industrial Temperature: -40C to +85C 3.3V 10% operation Packaging: (Pb-free & Green Available) - 20-pin 300-mil wide SOIC (S) - 20-pin 150-mil wide QSOP (Q) - 20-pin 209-mil wide SSOP (H)
Description
Pericom Semiconductor's PI49FCT32805 is a fast speed, low skew, fast slew rate, and low propagation delay for most computing and communication applications. The devices are non-inverting drivers. The outputs are configured into 2 groups of 1-in, 5-out with independent output enable. Group B has an extra MON output. Excellent output signals to power and ground ratio minimize power and ground noise, and also improves output performance. PI49FCT32805 integrate series damping resistors on all outputs.
Block Diagram
OEA INA 5 OA0-4
Pin Configuration
VCCA
OA0 OA1 OA2
1 2 3 4 5 6 7 8 9 10
20 19 18 17 16 15 14 13 12 11
VCCB
OB0 OB1 OB2
INB OEB
5
GNDA OB0-4
OA3 OA4
GNDB
OB3 OB4
GNDQ OEA MON INA
MON OEB INB
Pin Description
Pin Name OEA, OEB INA, INB OAN, OBN MON GND VCC Description Hi-Z State Output Enable Inputs (Active LOW) Clock Inputs Clock Outputs Monitor Output Ground Power
Truth Table(1)
Inputs OEA, OEB L L H H INA, INB L H L H
OAN, OBN
Outputs MON L H L H
L H Z Z
Note: 1. H = High Voltage Level, L = Low Voltage Level Z = High Impedance
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PS8494C
12/19/05
PI49FCT32805 3.3V, 2 x 1:5 CMOS Clock Driver Capacitance (TA = 25C, f = 1 MHz)
Parameters(1) CIN COUT Description Input Capacitance Output Capacitance Test Conditions VIN = 0V VOUT = 0V Typ Max. 4 6 Units pF
Note: 1. This parameter is determined by device characterization.
Maximum Ratings
Storage Temperature .......................................................... -65C to +150C Ambient Temperature with Power Applied ......................... -40C to +85C Supply Voltage to Ground Potential (Inputs & VCC Only)... -0.5V to +4.6V Supply Voltage to Ground Potential (Outputs & I/O Only).. -0.5V to +4.6V DC Input Voltage .................................................................. -0.5V to +4.6V 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 (TA = -40C to +85C, VCC = 3.3V 10%)
Symbol VOH VOL VIH VIL IIH IIL IOZH IOZL VIK IOH IOL IOS RS Parameter Output High Voltage VCC = 3.0V, VIN = VIL or VIH Output Low Voltage VCC = 3.0V, VIN = VIL or VIH Input High Voltage Input Low Voltage Input High Current Input Low Current High Impedance Output Current High Impedance Output Current Clamp Diode Voltage Output HIGH Output Current(3)
(4)
Test Condition(1) IOH = -8mA IOL = +12mA
Min. 2.4(2)
Typ. 3.0 0.4
Max.
Units
0.5 VCC-0.2 0.8 1 -1 1 -1
V
2.0 -0.5 VCC = Max., VIN = VCC VCC = Max., VIN = GND VCC = Max., All outputs Disabled VCC = Max., All outputs Disabled VOUT = VCC
A
VOUT = GND -0.9 -25 25 -50 -55 45 -100 20
VCC = Min., IIN = -18mA VOUT = 1.5V, VIN =VIL or VIH, VCC = 3.3V VOUT = 1.5V, VIN = VIL or VIH, VCC = 3.3V VCC = Max., VOUT = GND
-1.2 -80 90 -180
V mA
LOW Current(3)
Short Circuit Current
Internal Series Resistor
Notes: 1. For Max or Min conditions, use appropriate value specified under Electrical Characteristics for the applicable device type. 2. VOH = VCC - 0.6V at rated current. 3. This parameter is guaranteed by device characterization. 4. Not more than one output should be shorted at one time. Duration of the test should not exceed one second.
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PS8494C
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PI49FCT32805 3.3V, 2 x 1:5 CMOS Clock Driver Power Supply Characteristics
Parameters ICC ICC Description Quiescent Power Supply Current
Test Conditions(1) VCC = Max
Condition VIN = GND or VCC VIN = VCC - 0.6V(2) VIN = VCC VIN = GND VIN = VCC VIN = GND VIN = VCC - 0.6V VIN = GND VIN = VCC VIN = GND VIN = VCC - 0.6V VIN = GND
Min.
Typ 0.1 110 0.09 Per Output Toggling 1.3 1.3 4.4 4.4
Max. 30
Units A
Supply Current per VCC = Max Inputs @ TTL HIGH Supply Current per Output per MHz(3) VCC = Max, Outputs Open OEA or OEB = GND 50% Duty Cycle VCC = Max, Outputs Open fO = 10 MHZ 50% Duty Cycle OEA or OEB = GND Mon. Outputs Toggling VCC = Max, Outputs Open fO = 2.5 MHZ 50% Duty Cycle OEA or OEB = GND Eleven Outputs Toggling
300 mA/ MHZ
ICCD
0.16 9.0(4) 10.0(4) 6.0(4) 7.0(4)
IC
mA
Notes: 1. For Max or Min conditions, use appropriate value specified under Electrical Characteristics for the applicable device. 2. Per TTL driven input (VIN = VCC - 0.6V); all other inputs at VCC or GND. 3. This parameter is not directly testable, but is derived for use in Total Power Supply Calculations. 4. Values for these conditions are examples of the IC formula. These limits are guaranteed but not tested.
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PS8494C
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PI49FCT32805 3.3V, 2 x 1:5 CMOS Clock Driver Switching Characteristics
Symbol Description tPLH tPHL tR/tF tSK(P) tSK(O) tSK(I) Propagation Delay A to BN(1) Condition 15pF 15pF Same Output Same Package, Same Bank Same Package, Same Bank 15pF 500 15pF Max. 3.0 1.5 0.35 0.27 0.55 5.2 133 MHz ns Units
Switch Position
Test Disable Low Enable Low Disable High Enable High All Other Inputs Switch 6V GND Open
Rise/Fall Time(2) 0.5V - 2.0V Pulse Skew(2) Output Skew (2) Package Skew(2)
tZL, tZH Enable/Disable tLZ, tHZ Time FMAX Input Frequency
Notes: 1. Minimum propagation delay of 1.5ns is guaranteed but not tested. 2. These parameters are guaranteed by design
Tests Circuits for FIN >100 MHz
Enable/Disable Time Test Set-Up
VCC
Pulse Generator f = 125MHz
D.U.T.

50
CL = 15pF
Note: 1. RT = Termination resistance should be equal to ZOUT of the Pulse Generator.
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PS8494C
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PI49FCT32805 3.3V, 2 x 1:5 CMOS Clock Driver Switching Waveforms
3V Input t PLH Output t PHL 1.5V 0V V OH 1.5V V OL Ox tSK(o) Oy tPLHY tPHLy Input tPLHx tPHLx 3V 1.5V 0V VOH 1.5V VOL tSK(o) VOH 1.5V VOL
Propagation Delay

tSK(o) = | tPLHy - tPLHx | or | tPHLy - tPHLx |

Input tPLH Output
Output Skew - tsk(o)
3V 1.5V tPHL 0V VOH 1.5V VOL tSK(p) = | tPHL - tPLH |

Enable and Disable Times
Pulse Skew - tsk(p)
3V Input tPLH1 Package 1 Output tSK(t) Package 2 Output tPLH2 tSK(t) tPHL1 1.5V 0V VOH 1.5V VOL VOH 1.5V VOL tPHL2
tSK(t) = | tPLH2 - tPLH1 | or | tPHL2 - tPHL1 |
Package Skew - tsk(t)
5
PS8494C
12/19/05
PI49FCT32805 3.3V, 2 x 1:5 CMOS Clock Driver Packaging Mechanical: 20-Pin SOIC (S)
20
.2914 .2992
7.40 7.60
.010 .029
1
0.254 x 45 0.737
.496 12.60 .511 12.99
0-8
.0091 .0125
0.23 0.32
.020 0.508 REF .030 0.762
0.41 .016 1.27 .050
.0926 .1043
2.35 2.65
SEATING PLANE
.394 .419 10.00 10.65
.050 BSC 1.27
.013 .020 0.33 0.51
.0040 .0118
0.10 0.30
X.XX DENOTES CONTROLLING X.XX DIMENSIONS IN MILLIMETERS
Packaging Mechanical: 20-Pin QSOP (Q)
20
.008 0.20 MIN.
.150 .157
3.81 3.99
Guage Plane
.008 .013 0.20 0.33
1
.010 0.254
.337 .344
8.56 8.74
Detail A
.016 .035 0.41 0.89
.041 1.04 REF
0-6
.058 REF 1.47
.053 .069
1.35 1.75
.015 x 45 0.38
Detail A
SEATING PLANE
.016 .050
0.41 1.27
.007 .010
0.178 0.254
.025 BSC 0.635
.008 0.203 .012 0.305
.004 0.101 .010 0.254
.228 .244 5.79 6.19
X.XX DENOTES DIMENSIONS X.XX IN MILLIMETERS
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PS8494C
12/19/05
PI49FCT32805 3.3V, 2 x 1:5 CMOS Clock Driver Packaging Mechanical: 20-Pin SSOP (H)

Ordering Information(1,2,3)
Ordering Code PI49FCT32805H PI49FCT32805Q PI49FCT32805QE PI49FCT32805S PI49FCT32805SE Package Code H Q Q S S Package Description 20-pin 209-mil SSOP 20-pin 150-mil QSOP Pb-free & Green, 20-pin 150-mil QSOP 20-pin 300-mil SOIC Pb-free & Green, 20-pin 300-mil SOIC
Notes: 1. Thermal characteristics can be found on the company web site at www.pericom.com/packaging/ 2. E = Pb-free & Green 3. X suffix = Tape/Reel
Pericom Semiconductor Corporation * 1-800-435-2336 * www.pericom.com
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PS8494C 12/19/05

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