PI6C3991-5 Ver la hoja de datos (PDF) - Pericom Semiconductor
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PI6C3991-5
Pericom Semiconductor
PI6C3991-5 Datasheet PDF : 11 Pages
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PI6C3991
3.3V High-Speed, Low-Voltage Programmable
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Capacitance(6)
Parameter
Description
Test Conditions
Max.
Units
CIN
Input Capacitance
TA= 25°C, f = 1MHz, VCC = 3.3V
10
pF
Electrical Characteristics (Over the Operating Range)
Parameter
Description
Test Conditions
Min.
Max. Units
VOH Output HIGH Voltage
VOL Output LOW Voltage
VIH
Input HIGH Voltage (REF & FB
inputs only)
VCC = Min., IOH = 12mA
VCC = Min., IOL = 35mA
2.4
0.45
2.0
VCC
VIL
VIHH
Input LOW Voltage (REF & FB inputs
only)
Three-Level Input HIGH Voltage
(Test, FS, xFn)(4)
Min. ≤ VCC ≤ Max.
0.5
0.8
V
0.87 VCC
VCC
VIMM
Three-Level Input MID Voltage
(Test, FS, xFn)(4)
Min. ≤ VCC ≤ Max.
0.47 VCC 0.53 VCC
VILL
Three-Level Input LOW Voltage
(Test, FS, xFn)(4)
Min. ≤ VCC ≤ Max.
0.0
0.13 VCC
IIH
Input HIGH Leakage Current
(REF & FB inputs only)
VCC = Max., VIN = Max.
20
IIL
Input LOW Leakage Current
(REF & FB inputs only)
VCC = Max., VIN = 0.4V
IIHH Input HIGH Current (Test, FS, xFn) VIN = VCC
IIMM Input MID Current (Test, FS, xFn) VIN = VCC/2
IILL Input LOW Current (Test, FS, xFn) VIN = GND
IOS Short Circuit Current(5)
VCC = Max., VOUT = GND (25°C only)
ICCQ Operating Current Used by Internal VCCN = VCCQ = Max.,
Circuitry
All Input Selects Open
Com'l
Mil/Ind
20
50
200
µA
200
50
200
mA
95
100 mA
ICCN
Output Buffer Current per Output Pair VCCN = VCCQ = Max.,
IOUT = 0mA
All Input Selects Open, fMAX
19
mA
PD
Power Dissipation per Output Pair
VCCN = VCCQ = Max.,
IOUT = 0mA
All Input Selects Open, fMAX
104 mW
Notes:
4. These inputs are normally wired to VCC, GND, or left unconnected (actual threshold voltages vary as a percentage of VCC). Internal
termination resistors hold unconnected inputs at VCC/2. If these inputs are switched, the function and timing of the outputs may glitch
and the PLL may require an additional tLOCK time before all data sheet limits are achieved.
5. PI6C3991 should be tested one output at a time, output shorted for less than one second, less than 10% duty cycle.
Room temperature only.
6. Applies to REF and FB inputs only. Tested initially and after any design or process changes that may affect these parameters.
4
PS8450B 04/09/01
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