1PS7007C 10/07/99
3.3V, 2 x 1:5 CMOS Clock Driver
OE
B
IN
A
OA
0–4
IN
B
OE
A
OB
0–4
MON
5
5
PI49FCT3805 Logic Block Diagram
OE
B
IN
A
OA
0–4
IN
B
OE
A
OB
0–4
MON
5
5
PI49FCT3806 Logic Block Diagram
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PI49FCT3805
PI49FCT3806
Description
Pericom Semiconductors PI49FCT series of logic circuits are
produced using the Companys advanced 0.5 micron CMOS
technology to achieve fast speed, low skew, fast slew rate, and low
propagation delay for most computing and communication
applications.
The PI49FCT3805 is a non-inverting driver, whereas the PI49FCT3806
is an inverting driver. 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.
Features
Low output skew: <300ps
Switching frequency of 100 MHz
Fast output rise/fall time <1.2ns
Low propagation delay <3.0ns
Low input capacitance <4.0pF
Internal 20 Ohm resistor version
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)
2PS7007C 10/07/99
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PI49FCT3805/3806
3.3V, 2 x 1:5 CMOS Clock Driver
Capacitance (TA = 25°C, f = 1 MHz)
Parameters(1) Description Test Conditions Typ Max. Units
CIN Input Capacitance VIN = 0V 4.5 6.0 pF
COUT Output Capacitance VOUT = 0V 5.5 8.0 pF
Product Pin Description
Pin Name Description
OEA, OEBHi-Z State Output Enable Inputs (Active LOW)
INA, INBClock Inputs
OAN, OBNClock 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
OEB
INB
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
20-Pin
H,P,Q,S
PI49FCT3805 Product Pin Configuration
Inputs Outputs
OEA, OEBINA, INBOAN, OBNMON
LLLL
LHHH
HLZL
HHZH
PI49FCT3805 Truth Table(1)
Note:
1. H = High Voltage Level
L = Low Voltage Level
Z = High Impedance
Inputs Outputs
OEA, OEBINA, INBOAN, OBNMON
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
OEB
INB
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
20-Pin
H,P,Q,S
PI49FCT3806 Product Pin Configuration
Note:
1. This parameter is determined by device characterization but is not production tested.
3PS7007C 10/07/99
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PI49FCT3805/3806
3.3V, 2 x 1:5 CMOS Clock Driver
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 (Input Pins) — — 1 µA
IIL Input LOW Current VCC = Max. VIN = GND (Input & Output Pins) — — –1 µA
IOZH High Impedance VCC = Max. VOUT = VCC —— 1µA
IOZL Output Current (3-State Output pins) VOUT = 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
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 ..............................................................................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 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.
Operating Range
Ambient Temperature = –40°C to +85°C
Vcc = 3.3V ± 0.3V
4PS7007C 10/07/99
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PI49FCT3805/3806
3.3V, 2 x 1:5 CMOS Clock Driver
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 — 0.08 0.16 mA/
Input per MHz(4) Outputs Open VIN = GND MHZ
OEA or OEB = GND
Per Output Toggling
50% Duty Cycle
ICVCC = Max., VIN = VCC — 3.3 9.0(5)
Outputs Open VIN = GND
fO = 10 MHZ
50% Duty Cycle VIN = VCC – 0.6V — 3.3 10.0(5)
OEA or OEB = GND VIN = GND
Mon. Outputs Toggling mA
VCC = Max., VIN = VCC — 1.8 6.0(5)
Outputs Open VIN = GND
fO = 2.5 MHZ
50% Duty Cycle VIN = VCC – 0.6V — 1.8 7.0(5)
OEA or OEB = GND VIN = GND
Eleven Outputs Toggling
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.
6. IC = IQUIESCENT + IINPUTS + IDYNAMIC
IC= ICC + ∆ICC DHNT + ICCD (fONO)
ICC = Quiescent Current
∆ICC = Power Supply Current for a TTL High Input (VIN = V CC – 0.6V)
DH= Duty Cycle for TTL Inputs High
NT= Number of TTL Inputs at DH
ICCD = Dynamic Current Caused by an Input Transition Pair (HLH or LHL)
fO= Output Frequency
NO= Number of Outputs at fO
All currents are in milliamps and all frequencies are in megahertz.
5PS7007C 10/07/99
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PI49FCT3805/3806
3.3V, 2 x 1:5 CMOS Clock Driver
Switching Characteristics over Operating Range
Tests Circuits For All Outputs(1)
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
30pF
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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.
380x
20-Ohm R
S
CI
6PS7007C 10/07/99
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PI49FCT3805/3806
3.3V, 2 x 1:5 CMOS Clock Driver
SWITCHING WAVEFORMS Output Skew – tSK(o)
Pulse Skew – tSK(p)
Package Skew – tSK(t)
Propagation Delay
Enable and Disable Times
Pericom Semiconductor Corporation
2380 Bering Drive • San Jose, CA 95131 • 1-800-435-2336 • Fax (408) 435-1100 • http://www.pericom.com
Input
t
PLH
3V
1.5V
0V
Output V
OH
1.5V
V
OL
t
PHL
tPZL
OE 1.5V
0V
3V
1.5V
3.5V
0V
1.5V
tPLZ
VOL
3.5V
0V
tPZH tPHZ 0.3V
0.3V
Output
Normally
Low
Output
Normally
High
Switch
Closed
Switch
Open
VOH
Enable Disable
Input
tPLH
3V
1.5V
0V
Output VOH
1.5V
VOL
tPHL
tSK(p) = | tPHL – tPLH |
Input
tPLHx
3V
1.5V
0V
Ox VOH
1.5V
VOL
tPHLx
tSK(o)
Oy VOH
1.5V
VOL
tSK(o)
tPLHy tPHLy
tSK(o) = | tPLHy – tPLHx | or | tPHLy – tPHLx |
Input
tPLH1
3V
1.5V
0V
Package 1
Output
VOH
1.5V
VOL
tPHL1
tSK(t)
Package 2
Output
VOH
1.5V
VOL
tSK(t)
tPLH2 tPHL2
tSK(t) = | tPLH2 – tPLH1 | or | tPHL2 – tPHL1 |
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Ordering Information
XXX
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)
PI49FCT380x
x = "5" or "6"
Market 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)
PI49FCT380x
x = "5" or "6"