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PI74LCX827
21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321
Product Features
* Functionally compatible with FCT3, LVT, and 74 series 827 families of products * Tri-State outputs * 5V Tolerant inputs and outputs * 2.0V-3.6V VCC supply operation * Balanced sink and source output drives (24 mA) * Low ground bounce outputs * Power Down High Impedance inputs and outputs * Supports live insertion * ESD Protection exceeds 2000V, Human Body Model 200V, Machine Model * Packages available: - 24-pin 209-mil wide plastic SSOP (H) - 24-pin 173-mil wide plastic TSSOP (L)
Fast CMOS 3.3V 10-Bit Buffers
Product Description
Pericom Semiconductor's PI74LCX series of logic circuits are produced using the Company's advanced 0.6 micron CMOS technology, achieving industry leading speed grades. The PI74LCX827 is a 10-bit wide non-inverting bus driver providing high-performance bus interface buffering for wide address/data paths or buses carrying parity. The 10-bit buffers have nanded output enables for maximum control flexibility. They are designed for high-capacitance load drive capability, while providing lowcapacitance bus loading at both inputs and outputs. The PI74LCX827 can be driven from either 3.3V or 5.0V devices allowing this device to be used as a translator in a mixed 3.3/5.0V system.
Logic Block Diagram
Y0 Y1 Y2 Y3 Y4 Y5 Y6 Y7 Y8 Y9
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
OE1 OE2
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PI74LCX827 3.3V 10-Bit Buffers
Product Pin Configuration
OE1 D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 GND
1 24 2 23 3 22 4 24-Pin 21 5 H24 20 6 L24 19 7 18 8 17 9 16 10 15 11 14 12 13
Product Pin Description
Pin Name OEN D0-D9 Y0-Y9 GND VCC Description Output Enable Input (Active LOW) 10-bit Data Inputs 10-bit Data Outputs Ground Power
VCC Y0 Y1 Y2 Y3 Y4 Y5 Y6 Y7 Y8 Y9 OE2
Truth Table(1)
Inputs Outputs
Function Transparent Three-State
OE1 L L H X
OE2 L L X H
DN L H X X
YN L H Z Z
1.
H = High Voltage Level L = Low Voltage Level X = Don't Care Z = High Impedance
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PI74LCX827 3.3V 10-Bit Buffers
Maximum Ratings
(Above which the useful life may be impaired. For user guidelines, not tested.) Storage Temperature ............................................................. -65C to +150C Ambient Temperature with Power Applied ............................ -40C to +85C 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 .....................................................................................1.0W 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.
Recommended Operating Conditions
Symbol VCC VI VO IOH/IOL Parameter Supply Voltage Input Voltage Output Voltage Output Current HIGH or LOW State TRI-State VCC = 3.0V-3.6V VCC = 2.7V TA Free-Air Operating Temperature Input Edge Rate V = 0.8V-2.0V, VCC = 3.0V Operating Data Retention Min. 2.0 1.5 0 0 0 -40 0 Max. 3.6 3.6 5.5 VCC 5.5 24 12 +85 10 mA C ns/V V Units
t/V
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Capacitance
Parameters Description CIN COUT CPD Input Capacitance Output Capacitance Power Dissipation Capacitance Test Conditions VCC = Open, VI = 0V or VCC VCC = 3.3V, VI = 0V or VCC VCC = 3.3V, VI = 0V or VCC, F = 10 MHz Typ. 7 8 25 pF Units
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PI74LCX827 3.3V 10-Bit Buffers
DC Electrical Characteristics (Over the Operating Range, TA = -40C to +85C, VCC = 2.7V to 3.6V)
Parameters Description VIH VIL VOH Input HIGH Voltage Input LOW Voltage Output HIGH Voltage Test Conditions(1) Guaranteed Logic HIGH Level Guaranteed Logic LOW Level VCC = 2.7-3.6 VCC = 2.7 VCC = 3.0 IOH = -0.1mA IOH = -12mA IOH = -18mA IOH = -24mA VOL Output LOW Voltage VCC = 2.7-3.6 VCC = 2.7 VCC = 3.0 IOL = 0.1mA IOL = 12mA IOL = 16mA IOL = 24mA VIK II IOZ IOFF ICC Clamp Diode Voltage Input Leakage Current Tri-State Output Leakage Power Down Disable Quiescent Power Supply Current Quiescent Power Supply Current TTL Inputs HIGH VCC = Min., IIN = -18mA 0 VI 5.5V 0 VO 5.5V VI = VIH or VIL Vcc = 2.7-3.6 VCC = 2.7-3.6 Min. 2.0 -- VCC-0.2 2.2 2.4 2.2 -- -- -- -- -- -- -- -- Typ(2) -- -- -- -- -- -- -- -- -- -- -0.7 -- -- -- 0.1 Max. -- 0.8 -- -- -- -- 0.2 0.4 0.4 0.55 -1.2 5 5 10 10 500 A V Units
VCC = 0V, VIN or VOUT 5.5V VCC = Max. VCC = Max. VIN = GND or VCC VIN = VCC - 0.6V(3)
ICC
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, +25C ambient. 3. Per TTL driven input; all other inputs at VCC or GND.
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PI74LCX827 3.3V 10-Bit Buffers
Switching Characteristics over Operating Range
VCC = 3.3V 0.3V Parameters Description tPLH tPHL tPZH tPZL tPHZ tPLZ tSK(O) Propagation Delay DXX to OXX Output Enable Time Output Disable Time Output Skew(1) Conditions CL = 50pF RL = 500 Min. 1.5 1.5 1.5 Max. 5.0 8.0 6.0 1.0 VCC = 2.7V Min. 1.5 1.5 1.5 Max. 6.0 9.6 ns 7.2 Units
Note: 1. Skew between any two outputs, of the same package, switching in the same direction.
Dynamic Switching Characteristics (TA = +25C)
Parameters VOLP VOLV Description Dynamic LOW Peak Voltage Dynamic LOW Valley Voltage Test Conditions(1) VCC = 3.3V, CL = 50pF VIH = 3.3V, VIL = 0V VCC = 3.3V, CL = 50pF VIH = 3.3V, VIL = 0V Typ. Units
0.8
V
Note: 1. Measured with n-1 outputs switching from High-to-Low or Low-to-High. The remaining output is measured in the LOW state.
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PI74LCX827 3.3V 10-Bit Buffers
Packaging Mechanical - 24-pin SSOP (H-package)
24
.197 5.00 .220 5.60
1 .311 .334 7.90 8.50 .078 2.0 Max SEATING PLANE 0.55 .022 0.95 .037 .291 .322 7.40 8.20 .004 .009 0.09 0.25
.0256 BSC 0.65
.0098 Max. 0.25
.002 Min 0.050
X.XX DENOTES DIMENSIONS X.XX IN MILLIMETERS
24-Pin 173 Mil-Wide Plastic TSSOP (L) Package
24
.169 .177
4.3 4.5 .004 .008 0.09 0.20
1
.303 .311 7.7 7.9
0.45 0.75 .047 1.20 Max
.018 .030
SEATING PLANE
.252 BSC 6.4
.0256 BSC 0.65
.007 .012 0.19 0.30
.002 .006
0.05 0.15
X.XX DENOTES CONTROLLING X.XX DIMENSIONS IN MILLIMETERS
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PI74LCX827 3.3V 10-Bit Buffers
Ordering Information
Note: 1. Thermal characteristics can be found on the web at http://www.pericom.com/packaging/
Pericom Semiconductor Corporation 1-800-435-2336 * Fax (408) 435-1100 * http://www.pericom.com
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