Fast CMOS Interface Registers PI74FCT821T/823T/825T Series) P174F

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Fast CMOS Interface Registers PI74FCT821T/823T/825T Series) P174F

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Series) PI74FCT2821T/2823T
Fast CMOS Interface Registers
PI74FCT821T/823T/825T Series) P174FCT2821T/2823T INTERFACE REGISTERS PI74FCT821T/823T/825T
Product Features:
compatible with bipolar FASTSeries higher speed lower power consumption series resistor outputs (FCT2XXX only) input output levels ground bounce outputs Extremely static power Hysteresis inputs Industrial operating temperature range: -40°C +85°C Packages available: 24-pin wide plastic 24-pin wide plastic QSOP 24-pin wide plastic TQSOP 24-pin wide plastic SOIC Device models available upon request
Product Description:
Pericom Semiconductor's PI74FCT series logic circuits produced Company's advanced micron CMOS technology, achieving industry leading speed grades. PI74FCT2XXX devices have built-in 25-ohm series resistor outputs reduce noise because reflections, thus eliminating need external terminating resistor. PI74FCT821T/2821T 10-bit wide register designed with D-type flip-flops with buffered common clock buffered 3-state outputs. PI74FCT823/2823T 9-bit wide register designed with Clock Enable Clear. PI74FCT825T 8-bit wide register with PI74FCT823T controls plus multiple enables. When output enable (OE) LOW, outputs enabled. When HIGH, outputs high impedance state. Input data meeting setup hold time requirements inputs transferred outputs LOW-to-HIGH transition clock input.
Logic Block Diagram
DN-1
PI74FCT825 Only YN-1
PS2023A 03/11/96
PI74FCT821T/823T/825T Series) P174FCT2821T/2823T INTERFACE REGISTERS
PI74FCT821/2821T Product Configuration
Product Description
Name Description Output Enable Input (Active LOW) Clock Pulse register. Enters data LOW-to-HIGH transition Data Inputs 3-State Outputs Clear Input (Active LOW) (823/825/2823 Only) Clock Enable Input (Active LOW) Ground Power
24-PIN
PI74FCT823/2823T Product Configuration
PI74FCT821/823/825/2821/2823T Truth Table(1)
Inputs Outputs Internal
24-PIN
Function High-Z Clear Hold Load
PI74FCT825T Product Configuration
High Voltage Level Voltage Level Don't Care High Impedance Change LOW-to-HIGH transition
24-PIN
PS2023A 03/11/96
PI74FCT821T/823T/825T Series) P174FCT2821T/2823T INTERFACE REGISTERS
Maximum Ratings
(Above which useful life impaired. user guidelines, tested.) Storage Temperature -65°C +150°C Ambient Temperature with Power Applied -40°C +85°C Supply Voltage Ground Potential (Inputs Only) -0.5V +7.0V Supply Voltage Ground Potential (Outputs Only) -0.5V +7.0V Input Voltage -0.5V +7.0V Output Current Power Dissipation 0.5W Note: Stresses greater than those listed under MAXIMUM RATINGS cause permanent damage device. This stress rating only functional operation device these other conditions above those indicated operational sections this specification implied. Exposure absolute maximum rating conditions extended periods affect reliability.
Electrical Characteristics (Over Operating Range, -40°C +85°C, 5.0V
Parameters Description IOZH IOZL IOFF Test Conditions(1) -15.0 Series) VOUT 2.7V VOUT 0.5V Min., GND, VOUT 4.5V Max.(3), VOUT -0.7 -120 -1.2 Min. Typ(2) Max. Units 0.50 0.50 Output HIGH Voltage Min., Output Current Output Current Input HIGH Voltage Input Voltage Input HIGH Current Input Current High Impedance Output Current Clamp Diode Voltage Power Down Disable Short Circuit Current Input Hysteresis Min., Min., Guaranteed Logic HIGH Level Guaranteed Logic Level Max. Max. MAX.
Capacitance 25°C, MHz)
Parameters(4) COUT Description Input Capacitance Output Capacitance Test Conditions VOUT Max. Units
Notes: Max. Min. conditions, appropriate value specified under Electrical Characteristics applicable device type. Typical values 5.0V, +25°C ambient maximum loading. more than output should shorted time. Duration test should exceed second. This parameter determined device characterization production tested.
PS2023A 03/11/96
PI74FCT821T/823T/825T Series) P174FCT2821T/2823T INTERFACE REGISTERS
Power Supply Characteristics
Parameters Description ICCD Quiescent Power Supply Current Supply Current Input HIGH Supply Current Input MHz(4) Max. Max. Max., Outputs Open Input Toggling Duty Cycle Max., Outputs Open Duty Cycle Toggling Max., Outputs Open Duty Cycle Eight Bits Toggling Duty Cycle Test Conditions(1) 3.4V(3) Min. Typ(2) 0.15 Max. 0.25 Units
Total Power Supply Current(6)
3.4V
3.5(5)
5.5(5)
3.4V
7.3(5)
16.3(5)
Notes: conditions shown Max. Min., appropriate value specified under Electrical Characteristics applicable device. Typical values 5.0V, +25°C ambient. driven input (VIN 3.4V); other inputs GND. This parameter directly testable, derived Total Power Supply Calculations. Values these conditions examples formula. These limits guaranteed tested. =IQUIESCENT IINPUTS IDYNAMIC DHNT ICCD (fCP/2 fINI) Quiescent Current Power Supply Current High Input (VIN Duty Cycle Inputs High Number Inputs ICCD Dynamic Current Caused Input Transition Pair (HLH LHL) Clock Frequency Register Devices (Zero Non-Register Devices) Input Frequency Number Inputs currents milliamps frequencies megahertz.
PS2023A 03/11/96
PI74FCT821T/823T/825T Series) P174FCT2821T/2823T INTERFACE REGISTERS
PI74FCT821/2821T Switching Characteristics over Operating Range
821AT/2821AT Com. 821BT/2821BT Com. 821CT/2821CT Com. Unit
Parameters tPLH tPHL
Description Propagation Delay LOW) Setup Time HIGH LOW, Hold Time HIGH LOW, Setup Time HIGH LOW, Hold Time HIGH LOW, Propagation Delay, Recovery Time,(3) Clock Pulse Width(3) HIGH Pulse Width(3) Output Enable Time
Conditions(1) pF(3)
10.0 20.0 14.0 11.5 23.0
15.0 15.0
12.5 12.5
tPHL tREM tPZH tPZL
tPHZ tPLZ
Output Disable Time(3)
pF(3) pF(3)
Notes: test circuit wave forms. Minimum limits guaranteed tested Propagation Delays. This parameter guaranteed production tested.
PS2023A 03/11/96
PI74FCT821T/823T/825T Series) P174FCT2821T/2823T INTERFACE REGISTERS
PI74FCT823/2823T Switching Characteristics over Operating Range
823AT/2823AT Com. 823BT/2823BT Com. 823CT/2823CT Com. Unit
Parameters tPLH tPHL
Description Propagation Delay LOW) Setup Time HIGH LOW, Hold Time HIGH LOW, Setup Time HIGH LOW, Hold Time HIGH LOW, Propagation Delay, Recovery Time,(3) Clock Pulse Width HIGH Pulse Width Output Enable Time
Conditions(1) pF(3)
10.0 20.0 13.0 11.5 23.0
15.0 15.0
12.5 12.5
tPHL tREM tPZH tPZL
tPHZ tPLZ
Output Disable Time(3)
pF(3) pF(3)
Notes: test circuit wave forms. Minimum limits guaranteed tested Propagation Delays. This parameter guaranteed production tested.
PS2023A 03/11/96
PI74FCT821T/823T/825T Series) P174FCT2821T/2823T INTERFACE REGISTERS
PI74FCT825T Switching Characteristics over Operating Range
825AT Com. 825BT Com. 825CT Com. Unit
Parameters tPLH tPHL
Description Propagation Delay LOW) Setup Time HIGH LOW, Hold Time HIGH LOW, Setup Time HIGH LOW, Hold Time HIGH LOW, Propagation Delay, Recovery Time, Clock Pulse Width HIGH Pulse Width(3) Output Enable Time
Conditions(1) pF(3)
10.0 20.0 13.0 11.5 23.0
15.0 15.0
12.5 12.5
tPHL tREM tPZH tPZL
tPHZ tPLZ
Output Disable Time(3)
pF(3) pF(3)
Notes: test circuit wave forms. Minimum limits guaranteed tested Propagation Delays. This parameter guaranteed production tested.
Pericom Semiconductor Corporation 2380 Bering Drive Jose, 95131 1-800-435-2336 (408) 435-1100 http://www.pericom.com
PS2023A 03/11/96

Fast CMOS Interface Registers PI74FCT821T/823T/825T Series) P174F

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