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Part: IDT74FCT16244CTPAB
Category:
Logic
Description: Fast CMOS 16-bit Buffer/line Driver
Company: Integrated Device Technology, Inc.
Datasheet: Download IDT74FCT16244CTPAB datasheet File size : 843 kB
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IDT54/74FCT16244T/AT/CT FAST CMOS 16-BIT BUFFER/LINE DRIVER
MILITARY AND INDUSTRIAL TEMPERATURE RANGES
FAST CMOS 16-BIT BUFFER/LINE DRIVER
IDT54/74FCT16244T/AT/CT
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) 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 Available in the following packages: Industrial: SSOP, TSSOP, TVSOP Military: CERPACK
DESCRIPTION:
The FCT16244T 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 16-bit operation. These parts are plug in replacements for 54/74ABT16244 where higher speed, lower noise or lower power dissipation levels are desired. The FCT16244T 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
1OE 1A 1 1A 2 1A 3 1A 4 1Y 1 1Y 2 1Y 3 1Y 4
3OE 3A 1 3 A2 3 A3 3 A4 3Y 1 3Y 2
3Y 3 3Y 4
2OE 2A 1 2A 2 2A 3 2A 4 2Y 1 2Y 2 2Y 3 2Y 4
4OE 4A 1 4A 2 4A 3 4A 4 4Y 1 4Y 2 4Y 3 4Y 4
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
MILITARY AND INDUSTRIAL TEMPERATURE RANGES
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© 2002 Integrated Device Technology, Inc.
APRIL 2002
DSC-5460/1
IDT54/74FCT16244T/AT/CT FAST CMOS 16-BIT BUFFER/LINE DRIVER
MILITARY AND INDUSTRIAL TEMPERATURE RANGES
PIN CONFIGURATION
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25
ABSOLUTE MAXIMUM RATINGS(1)
Symbol VTERM(2) 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 VTERM(3) TSTG IOUT
1OE 1Y 1 1Y 2
2OE 1A 1 1A 2
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 terminals for FCT162XXXT and FCT166XXXT.
CAPACITANCE (TA = +25°C, F = 1.0MHz)
Symbol CI N CO U T Parameter(1) Input Capacitance Output Capacitance Conditions VIN = 0V VOUT = 0V Typ. 3.5 3.5 Max. 6 8 Unit pF pF
GND
2Y 3 2Y 4 3Y 1 3Y 2
GND
2A 3 2A 4 3A 1 3A 2
NOTE: 1 . This parameter is measured at characterization but not tested.
PIN DESCRIPTION
Pin Names xOE xAx xYx Data Inputs 3-State Outputs Description 3-State Output Enable Inputs (Active LOW)
GND
3Y 3 3Y 4
GND
3A 3 3A 4
VCC
4Y 1 4Y 2
VCC
4A 1 4A 2
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
Outputs xAx L H X xYx L H Z
GND
4Y 3 4Y 4 4OE
GND
4A 3 4A 4 3OE
SSOP/ TSSOP/ TVSOP/ CERPACK TOP VIEW
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IDT54/74FCT16244T/AT/CT FAST CMOS 16-BIT BUFFER/LINE DRIVER
MILITARY AND INDUSTRIAL TEMPERATURE RANGES
DC ELECTRICAL CHARACTERISTICS OVER OPERATING RANGE
Following Conditions Apply Unless Otherwise Specified: Industrial: 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 Parameter Input HIGH Level Input LOW Level Input HIGH Current (Input pins)(5) Input HIGH Current (I/O pins)(5) IIL Input LOW Current (Input pins)(5) Input LOW Current (I/O pins)(5) IOZH IOZL VIK IOS VH ICCL ICCH ICCZ 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
OUTPUT DRIVE CHARACTERISTICS
Symbol IO VOH Parameter Output Drive Current Output HIGH Voltage Test Conditions(1) VCC = Max., VO = 2.5V(3) VCC = Min. IOH = 3mA, IOH = 12mA MIL VIN = VIH or VIL IOH = 15mA IND IOH = 24mA MIL IOH = 32mA IND(4) VCC = Min. IOL = 48mA MIL VIN = VIH or VIL IOL = 64mA IND VCC = 0V, VIN or VO 4.5V Min. 50 2.5 2.4 2 -- -- Typ.(2) -- 3.5 3.5 3 0.2 -- Max. 180 -- -- -- 0.55 ±1 Unit mA V V V V µA
VOL IOFF
Output LOW Voltage Input/Output Power Off Leakage(5)
NOTES: 1 . For conditions shown as Min. or Max., 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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IDT54/74FCT16244T/AT/CT FAST CMOS 16-BIT BUFFER/LINE DRIVER
MILITARY AND INDUSTRIAL TEMPERATURE RANGES
POWER SUPPLY CHARACTERISTICS
Symbol ICC ICCD Parameter Quiescent Power Supply Current TTL Inputs HIGH Dynamic Power Supply Current(4) VCC = Max. VIN = 3.4V(3) VCC = Max. Outputs Open xOE = GND One Input Togging 50% Duty Cycle VCC = Max. Outputs Open fi = 10MHz 50% Duty Cycle xOE = GND One Bit Toggling VCC = Max. Outputs Open fi = 2.5MHz 50% Duty Cycle xOE = GND Sixteen BitsTogging VIN = VCC VIN = GND Test Conditions(1) Min. -- -- Typ.(2) 0.5 60 Max. 1.5 100 Unit mA µA/ MHz
IC
Total Power Supply Current(6)
VIN = VCC VIN = GND VIN = 3.4V VIN = GND VIN = VCC VIN = GND
--
0.6
1.5
mA
--
0.9
2.3
--
2.4
4.5(5)
VIN = 3.4V VIN = GND
--
6.4
16.5(5)
NOTES: 1 . For conditions shown as Min. or Max., use appropriate value specified under Electrical Characteristics for the applicable device type. 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 (fCPNCP/2 + fiNi) ICC = Quiescent Current (ICCL, ICCH and ICCZ) ICC = Power Supply Current for a TTL High Input (VIN = 3.4V) 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) NCP = Number of Clock Inputs at fCP fi = Input Frequency Ni = Number of Inputs at fi
SWITCHING CHARACTERISTICS OVER OPERATING RANGE
Symbol tPLH tPHL tPZH tPZL tPHZ tPLZ tSK(o) Parameter Propagation Delay xAx to xYx Output Enable Time Output Disable Time Output Skew(3) Condition(1) CL = 50pF RL = 500 54FCT16244T Mil. M i n .( 2 ) Max. 1.5 7 1.5 1.5 -- 8.5 7.5 0.5 54/74FCT16244AT Ind. Mil. Min.(2) Max. Min.(2) Max. 1.5 4.8 1.5 5.1 1.5 1.5 -- 6.2 5.6 0.5 1.5 1.5 -- 6.5 5.9 0.5 54/74FCT16224CT Ind. Mil. Min.(2) Max. Min.(2) Max. 1.5 3.4 1.5 4.6 1.5 1.5 -- 4.4 3.9 0.5 1.5 1.5 -- 6.5 5.7 0.5 Unit ns ns ns ns
NOTES: 1 . See test circuit and waveforms. 2 . Minimum limits are guaranteed but not tested on Propagation Delays. 3 . Skew between any two outputs of the same package switching in the same direction. This parameter is guaranteed by design.
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IDT54/74FCT16244T/AT/CT FAST CMOS 16-BIT BUFFER/LINE DRIVER
MILITARY AND INDUSTRIAL TEMPERATURE RANGES
TEST CIRCUITS AND WAVEFORMS
V CC 500 VIN Pulse Generator RT D.U.T. 50pF CL 500 V OU T 7.0V
SWITCH POSITION
Test Open Drain Disable Low Enable Low All Other Tests Switch Closed Open
DEFINITIONS: CL = Load capacitance: includes jig and probe capacitance. RT = Termination resistance: should be equal to ZOUT of the Pulse Generator.
Test Circuits for All Outputs
3V 1.5V 0V 3V 1.5V 0V 3V 1.5V 0V 3V 1.5V 0V
DATA INPUT TIMING INPUT ASYNCHRONOUS CONTROL PRESET CLEAR ETC. SYNCHRONOUS CONTROL PRESET CLEAR CLOCK ENABLE ETC.
tSU
tH
LOW-HIGH-LOW PULSE tW HIGH-LOW-HIGH PULSE
1.5V
tREM
1.5V
tSU
tH
Pulse Width
Set-up, Hold, and Release Times
ENABLE SAME PHASE INPUT TRANSITION tPLH OUTPUT tPLH OPPOSITE PHASE INPUT TRANSITION tPHL tPHL 3V 1.5V 0V VOH 1.5V V OL 3V 1.5V 0V CONTROL INPUT tP Z L OUTPUT NORMALLY LOW OUTPUT NORMALLY HIGH SWITCH CLOSED tPZH SWITCH OPEN 1.5V 0V 0V 3.5V 1.5V tPHZ 0.3V VOH tP L Z DISABLE 3V 1.5V 0V 3.5V 0.3V V OL
Propagation Delay
Enable and Disable Times
NOTES: 1 . Diagram shown for input Control Enable-LOW and input Control Disable-HIGH. 2 . Pulse Generator for All Pulses: Rate 1.0MHz; tF 2.5ns; tR 2.5ns.
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