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Part: IDT74FCT16244ETPVB
Category:
Logic
-> Bus Interface
-> Bus Oriented Circuits
Description: Fast CMOS 16-bit Buffer/line Driver
Company: Integrated Device Technology, Inc.
Datasheet: Download IDT74FCT16244ETPVB datasheet File size : 843 kB
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Datasheet text preview:
IDT54/74FCT16244T/AT/CT/ET FAST CMOS 16-BIT BUFFER/LINE DRIVER
MILITARY AND COMMERCIAL TEMPERATURE RANGES
FAST CMOS 16-BIT BUFFER/LINE DRIVER
IDT54/74FCT16244T/AT/CT/ET
FEATURES:
- - - - - - - - - - 0.5 MICRON CMOS Technology High-speed, low-power CMOS replacement for ABT functions Typical tSK(o) (Output Skew) 2000V per MIL-STD-883, Method 3015; > 200V using machine model (C = 200pF, R = 0) 25 mil pitch SSOP, 19.6 mil pitch TSSOP, 15.7 mil pitch TVSOP and 25 mil pitch CERPACK packages Extended commercial range of -40°C to +85°C High drive outputs (-32mA IOH, 64mA IOL) Power off disable outputs permit "live insertion" Typical VOLP (Output Ground Bounce) < 1.0V at VCC = 5V, TA = 25° C
DESCRIPTION:
The FCT16244T/AT/CT/ET 16-Bit Buffer/Line Driver is for bus interface or signal buffering applications requiring high speed and low power dissipation. These devices have a flow through pin organization, and shrink packaging to simplify board layout. All inputs are designed with hysteresis for improved noise margin. The three-state controls allow independent 4-bit, 8-bit or combined 16bit operation. These parts are plug in replacements for 54/74ABT16244 where higher speed, lower noise or lower power dissipation levels are desired. The FCT16244T/AT/CT/ET is ideally suited for driving high capacitance loads (>200pF) and low impedance backplanes. These "high drive" buffers are designed with power off disable capability to allow "live insertion" of boards when used in a backplane interface.
FUNCTIONAL BLOCK DIAGRAM
1O E 1Y 1
3O E
1A 1 1A 2
3A 1 3A 2
3Y 1 3Y 2
1Y 2
1A 3 1A 4
1Y 3
3A 3
3Y 3 3Y 4
1Y 4
3A 4
2O E 2Y 1
4O E
2A 1 2A 2 2A 3
4A 1 4A 2 4A 3
4Y 1 4Y 2 4Y 3
2Y 2 2Y 3 2Y 4
2A 4
4A 4
4Y 4
MILITARY AND COMMERCIAL TEMPERATURE RANGES
1
c 1999 Integrated Device Technology, Inc.
AUGUST 1999
DSC-5460/-
IDT54/74FCT16244T/AT/CT/ET FAST CMOS 16-BIT BUFFER/LINE DRIVER
MILITARY AND COMMERCIAL TEMPERATURE RANGES
PIN CONFIGURATION
1O E 1Y 1 1Y 2
ABSOLUTE MAXIMUM RATINGS(1)
48 47 46 45 44 43 42 41 40 39 38
2O E 1A 1 1A 2
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 S O 4 8 -1 S O 4 8 -2 S O 4 8 -3 E 4 8 -1
Symbol VTERM(2) VTERM(3) TSTG IOUT
Description Terminal Voltage with Respect to GND Terminal Voltage with Respect to GND Storage Temperature DC Output Current
Max 0.5 to +7 0.5 to VCC+0.5 65 to +150 60 to +120
Unit V V °C mA
5v16-link
GND
1Y 3 1Y 4
GND
1A 3 1A 4
VCC
2Y 1 2Y 2
VCC
2A 1 2A 2
NOTES: 1. Stresses greater than those listed under ABSOLUTE 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. 2. All device terminals except FCT162XXXT Output and I/O terminals. 3. Output and I/O terminals for FCT162XXXT. and FCT166XXXT. Output terminals for FCT162XXXT
GND
2Y 3 2Y 4 3Y 1 3Y 2
GND
2A 3 2A 4 3A 1 3A 2
CAPACITANCE (TA = +25OC, f = 1.0MHz)
Symbol CIN COUT Parameter(1) Input Capacitance Output Capacitance Conditions VIN = 0V VOUT = 0V Typ. 3.5 3.5 Max. 6 8 Unit pF pF
5v16-link
37 36 35 34 33 32 31 30 29 28 27 26 25
NOTE: 1. This parameter is measured at characterization but not tested.
GND
3Y 3 3Y 4
GND
3A 3 3A 4
PIN DESCRIPTION
Pin Names xOE xAx xYx Description 3State Output Enable Inputs (Active LOW) Data Inputs 3-State Outputs
VCC
4Y 1 4Y 2
VCC
4A 1 4A 2
GND
4Y 3 4Y 4 4O E
GND
4A 3 4A 4 3O E
FUNCTION TABLE(1)
Inputs xOE L L H
NOTE: 1. H = HIGH Voltage Level X = Don't Care L = LOW Voltage Level Z = High-Impedance
xAx L H X
Outputs xYx L H Z
SSOP/ TSSOP/ TVSOP/ CERPACK TOP VIEW
2
IDT54/74FCT16244T/AT/CT/ET FAST CMOS 16-BIT BUFFER/LINE DRIVER
MILITARY AND COMMERCIAL TEMPERATURE RANGES
DC ELECTRICAL CHARACTERISTICS OVER OPERATING RANGE
Following Conditions Apply Unless Otherwise Specified: Commercial: TA = -40°C to +85°C, VCC = 5.0V ±10%; Military: TA = -55°C to +125°C, VCC = 5.0V ±10%
Symbol VIH VIL IIH IIL IOZH IOZL VIK IOS VH ICCL ICCH ICCZ Parameter Input HIGH Level Input LOW Level Input HIGH Current (Input pins)(5) Input HIGH Current (I/O pins)(5) Input LOW Current (Input pins)(5) Input LOW Current (I/O pins)(5) High Impedance Output Current (3-State Output pins)(5) Clamp Diode Voltage Short Circuit Current Input Hysteresis Quiescent Power Supply Current VCC = Max. VIN = GND or VCC VCC = Min., IIN = 18mA VCC = Max., VO = GND(3) -- VCC = Max. VO = 2.7V VO = 0.5V VI = GND Test Conditions(1) Guaranteed Logic HIGH Level Guaranteed Logic LOW Level VCC = Max. VI = VCC Min. 2 -- -- -- -- -- -- -- -- 80 -- -- Typ.(2) -- -- -- -- -- -- -- -- 0.7 140 100 5 Max. -- 0.8 ±1 ±1 ±1 ±1 ±1 ±1 1.2 250 -- 500 V mA mV µA µA Unit V V µA
5v16-link
OUTPUT DRIVE CHARACTERISTICS
Symbol IO VOH Parameter Output Drive Current Output HIGH Voltage Test Conditions(1) VCC = Max., VO = 2.5V(3) VCC = Min. VIN = VIH or VIL IOH = 3mA IOH = 12mA MIL IOH = 15mA COM'L IOH = 24mA MIL IOH = 32mA COM'L(4) VOL IOFF Output LOW Voltage Input/Output Power Off Leakage(5) VCC = Min. VIN = VIH or VIL VCC = 0V, VIN or VO 4.5V IOL = 48mA MIL IOL = 64mA COM'L -- -- ±1 µA -- 0.2 0.55 V 2 3 -- V Min. 50 2.5 2.4 Typ.(2) -- 3.5 3.5 Max. 180 -- -- Unit mA V V
NOTES: 1. For conditions shown as Max. or Min., use appropriate value specified under Electrical Characteristics for the applicable device type. 2. Typical values are at VCC = 5.0V, +25°C ambient. 3. Not more than one output should be shorted at one time. Duration of the test should not exceed one second. 4. Duration of the condition can not exceed one second. 5. The test limit for this parameter is ±5µA at TA = -55°C.
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