Details, datasheet, quote on part number: PI49FCT807CTQ
DescriptionFast CMOS Clock Driver
CompanyPericom Semiconductor Corporation
DatasheetDownload PI49FCT807CTQ datasheet
Cross ref.Similar parts: 74FCT807CTQ
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Features, Applications

Guaranteed low skew: 0.25ns Low input capacitance Minimum duty cycle distortion 1:10 fanout High speed: 3.5ns propagation delay TTL input and CMOS output compatible VOH = 3.3V (typ.) VOL = 0.3V (typ.) Packages available: 20-pin 300 mil wide SOIC (S) 20-pin 150 mil wide QSOP (Q) 20-pin 209 mil wde SSOP (H) Industrial Operation to +85şC

Pericom Semiconductors PI49FCT series of logic circuits are produced using the Companys advanced 0.8 micron CMOS technology, achieving industry leading speed grades. The PI49FCT807T and PI49FCT2807T clock drivers feature one input and ten outputs. The large fanout from a single input line reduces loading on input clock. TTL level outputs reduce noise levels on the part. Typical applications are clock and signal distribution. The PI49FCT2807T also features a 25-ohm on-chip resistor for lower noise.

Pin Name B0 B9 GND VCC Input Outputs Ground Power De s cription

(Above which the useful life may be impaired. For user guidelines, not tested.) Storage Temperature........................................................... to +150°C Ambient Temperature with Power Applied............................ to +85°C Supply Voltage to Ground Potential (Inputs & Vcc Only)..... to +7.0V Supply Voltage to Ground Potential (Outputs & D/O Only).. +7.0V DC Input Voltage.................................................................. +7.0V DC Output Current............................................................................. 120mA 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.

Parameters Description VOH VOL VIH VIL IIH IIL II VIK IOS IOFF VH Output HIGH Voltage Output LOW Current Input HIGH Voltage Input LOW Voltage Input HIGH Current Input LOW Current Input HIGH Current Clamp Diode Voltage Short Circuit Current Power Down Disable Input Hysteresis Test Conditions(1) VCC = Min., VIN = VIH or VIL VCC = Min., VIN = VIH or VIL Guaranteed Logic HIGH Level Guaranteed Logic LOW Level VCC = Max. VCC = Max. VCC = Max., VIN =VCC (Max.) VCC = Min., IIN = 18mA VCC = Max.(3), VOUT = GND VCC= GND, VOUT = 4.5V VIN = 2.7V VIN = 0.5V IOH = 15.0mA IOH = 48.0mA IOL = 12mA(25) Min. 3.3 0.2 Max. 0.5 Units m V

Parameters(4) CIN COUT Description Input Capacitance Output Capacitance Test Conditions VIN = 0V VOUT = 0V Typ. 6.0 8 Max. 10 12 Units 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, +25°C 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.

Test Conditions(1) VCC = Max. VCC = Max., VCC = Max., Outputs Open 50% Duty Cycle, One Input Toggling VCC = Max., Outputs Open fCP = 50 MHZ, 50% Duty Cycle VIN = GND or Vcc VIN = 3.4V(3) VIN = VCC VIN = GND VIN = VCC VIN = GND VIN = 3.4V VIN = GND

Quiescent Power Supply Current Supply Current per Input @ TTL HIGH Supply Current per Input per MHz(4) Total Power Supply Current(6)

Notes: 1. For Max. or Min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device. 2. Typical values are at Vcc 5.0V, +25°C ambient. 3. Per TTL driven input (VIN = 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. IC =IQUIESCENT + IINPUTS + IDYNAMIC IC = ICC + ICC DHNT + ICCD (fCP/2 + fINI) ICC = Quiescent Current ICC = Power Supply Current for a TTL High Input (VIN 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) fCP = Clock Frequency for Register Devices (Zero for Non-Register Devices) fI = Input Frequency NI = Number of Inputs at fI All currents are in milliamps and all frequencies are in megahertz.

807/2807T Com. 807AT Com. Min. Max. 807BT Com. Min. Max. 807CT Com. Min. Max. Units

Description Propagation Delay TO BN Skew between two outputs of same package(3) Skew between opposite transitions of same output (|tPHL tPLH|)(3) Skew between outputs of different package at same power supply, temperature and speed grade(3)

Notes: 1. See test circuit and wave forms. 2. Minimum limits are guaranteed but not tested on Propagation Delays. 3. This parameter is guaranteed but not tested.


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