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IDT74FCT163245A/C 3.3V CMOS 16-BIT BIDIRECTIONAL TRANSCEIVER
INDUSTRIAL TEMPERATURE RANGE
3.3V CMOS 16-BIT BIDIRECTIONAL TRANSCEIVER
FEATURES: DESCRIPTION:
IDT74FCT163245A/C
* 0.5 MICRON CMOS Technology * Typical tSK(o) (Output Skew) < 250ps * ESD > 2000V per MIL-STD-883, Method 3015; > 200V using machine model (C = 200pF, R = 0) * VCC = 3.3V 0.3V, Normal Range, or VCC = 2.7V to 3.6V, Extended Range * CMOS power levels (0.4 W typ. static) * Rail-to-rail output swing for increased noise margin * Low Ground Bounce (0.3V typ.) * Inputs (except I/O) can be driven by 3.3V or 5V components * Available in SSOP, TSSOP, and TVSOP packages
The FCT163245 16-bit transceivers are built using advanced dual metal CMOS technology. These high-speed, low-power transceivers are ideal for asynchronous communication between two buses (A and B). The Direction and Output Enable controls are designed to operate these devices as either two independent 8-bit transceivers or one 16-bit transceiver. The direction control pin (xDIR) controls the direction of data flow. The output enable pin (xOE) overrides the direction control and disables both ports. All inputs are designed with hysteresis for improved noise margin.
FUNCTIONAL BLOCK DIAGRAM
1 24
1
DIR
48
2 1O E
47
DIR
25
2O E
36
1A 1
2
2A 1
13
1B 1
46 35
2B 1 2A 2
1A 2
3
14
1B 2
44 33 5
2B 2 2A 3
1A 3
43
16
1B 3
32 6
2B 3 2A 4
1A 4
17
1B 4
41 30 8
2B 4 2A 5
19
1A 5
40
1B 5
29
2B 5 2A 6
1A 6
9 38
1B 6
27
20
2B 6
1A 7
11
2A 7 1B 7
22
2B 7
26
37
1A 8
12
2A 8 1B 8
23
2B 8
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
INDUSTRIAL TEMPERATURE RANGE
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(c) 2002 Integrated Device Technology, Inc.
APRIL 2002
DSC-2554/8
IDT74FCT163245A/C 3.3V CMOS 16-BIT BIDIRECTIONAL TRANSCEIVER
INDUSTRIAL TEMPERATURE RANGE
PIN CONFIGURATION
1DIR 1B1 1B2
ABSOLUTE MAXIMUM RATINGS(1)
Symbol VTERM(2) Description Terminal Voltage with Respect to GND Terminal Voltage with Respect to GND Terminal Voltage with Respect to GND Storage Temperature DC Output Current Max -0.5 to +4.6 -0.5 to 7 -0.5 to VCC+0.5 -65 to +150 -60 to +60 Unit V V V C mA
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
1OE 1A1 1A2
VTERM(3) VTERM(4) TSTG IOUT
GND
1B3 1B4
GND
1A3 1A4
VCC
1B5 1B6
VCC
1A5 1A6
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. Vcc terminals. 3. Input terminals. 4. Outputs and I/O terminals.
GND
1B7 1B8 2B1 2B2
GND
1A7 1A8 2A1 2A2
CAPACITANCE (TA = +25C, 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
NOTE: 1. This parameter is measured at characterization but not tested.
GND
2B3 2B4
GND
2A3 2A4
PIN DESCRIPTION
Pin Names xOE xDIR xAx xBx Description Output Enable Input (Active LOW) Direction Control Input Side A Inputs or 3-State Outputs Side B Inputs or 3-State Outputs
VCC
2B5 2B6
VCC
2A5 2A6
GND
2B7 2B8 2DIR
GND
2A7 2A8 2OE
FUNCTION TABLE(1)
Inputs xOE1 xDIR L H X Outputs Bus B Data to Bus A Bus A Data to Bus B High Z State L L H
SSOP/ TSSOP/ TVSOP TOP VIEW
NOTE: 1. H = HIGH Voltage Level L = LOW Voltage Level X = Don't Care Z = High-impedance
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IDT74FCT163245A/C 3.3V CMOS 16-BIT BIDIRECTIONAL TRANSCEIVER
INDUSTRIAL TEMPERATURE RANGE
DC ELECTRICAL CHARACTERISTICS OVER OPERATING RANGE
Following Conditions Apply Unless Otherwise Specified: Industrial: TA = -40C to +85C, VCC = 2.7V to 3.6V
Symbol VIH VIL IIH IIL IOZH IOZL VIK IODH IODL VOH Parameter Input HIGH Level (Input pins) Input HIGH Level (I/O pins) Input LOW Level (Input and I/O pins) Guaranteed Logic LOW Level Input HIGH Current (Input pins) Input HIGH Current (I/O pins) Input LOW Current (Input pins) Input LOW Current (I/O pins) High Impedance Output Current (3-State Output pins) Clamp Diode Voltage Output HIGH Current Output LOW Current Output HIGH Voltage VCC = Min., IIN = -18mA VCC = 3.3V, VIN = VIH or VIL, VO = 1.5V VCC = 3.3V, VIN = VIH or VIL, VO = 1.5V VCC = Min. VIN = VIH or VIL VCC = 3V VIN = VIH or VIL VOL Output LOW Voltage VCC = Min. VIN = VIH or VIL VCC = 3V VIN = VIH or VIL IOS VH ICCL ICCH ICCZ Short Circuit Current Input Hysteresis Quiescent Power Supply Current VCC = Max. VIN = GND or VCC
(4) (3) (3)
Test Conditions(1) Guaranteed Logic HIGH Level
Min. 2 2 -0.5
Typ.(2) -- -- -- -- -- -- -- -- -- -0.7 -60 90 -- 3 3 -- 0.2 0.3 0.3 -135 150 0.1
Max. 5.5 VCC+0.5 0.8 1 1 1 1 1 1 -1.2 -110 200 -- -- -- 0.2 0.4 0.55 0.5 -240 -- 10
Unit V V A
VCC = Max.
VI = 5.5V VI = VCC VI = GND VI = GND
-- -- -- -- -- -- -- -36 50 VCC-0.2 2.4 2.4
(5)
VCC = Max.
VO = VCC VO = GND
A
V mA mA V
IOH = -0.1mA IOH = -3mA IOH = -8mA IOL = 0.1mA IOL = 16mA IOL = 24mA IOL = 24mA
-- -- -- -- -60
V
VCC = Max., VO = GND(3) --
mA mV A
-- --
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 = 3.3V, +25C ambient. 3. Not more than one output should be shorted at one time. Duration of the test should not exceed one second. 4. This parameter is guaranteed but not tested. 5. VOH = VCC-0.6V at rated current.
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IDT74FCT163245A/C 3.3V CMOS 16-BIT BIDIRECTIONAL TRANSCEIVER
INDUSTRIAL TEMPERATURE RANGE
POWER SUPPLY CHARACTERISTICS
Symbol ICC ICCD Parameter Quiescent Power Supply Current TTL Inputs HIGH Dynamic Power Supply Current(4) VCC = Max. VIN = VCC - 0.6V(3) VCC = Max. Outputs Open xOE = xDIR = GND One Input Togging 50% Duty Cycle VCC = Max.,Outputs Open fI = 10MHz 50% Duty Cycle xOE = xDIR = GND One Bit Toggling VCC = Max.,Outputs Open fI = 2.5MHz 50% Duty Cycle xOE = xDIR = GND Sixteen Bits Toggling VIN = VCC VIN = GND Test Conditions(1) Min. -- -- Typ.(2) 2 50 Max. 30 75 Unit A A/ MHz
IC
Total Power Supply Current(6)
VIN = VCC VIN = GND VIN = VCC - 0.6V VIN = GND VIN = VCC VIN = GND VIN = VCC - 0.6V VIN = GND
--
0.5
0.8
mA
-- --
0.5 2
0.8 3(5)
--
2
3.3(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 = 3.3V, +25C ambient. 3. Per TTL driven input. 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 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
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IDT74FCT163245A/C 3.3V CMOS 16-BIT BIDIRECTIONAL TRANSCEIVER
INDUSTRIAL TEMPERATURE RANGE
SWITCHING CHARACTERISTICS OVER OPERATING RANGE(1)
Symbol tPLH tPHL tPZH tPZL tPHZ tPLZ tPZH tPZL tPHZ tPLZ tSK(o) Parameter Propagation Delay A to B, B to A Output Enable Time xOE to A or B Output Disable Time xOE to A or B Output Enable Time xDIR to A or B(4) Output Disable Time xDIR to A or B(4) Output Skew(5) Condition(2) CL = 50pF RL = 500 FCT163245A Min.(3) Max. 1.5 1.5 1.5 1.5 1.5 -- 4.6 6.2 5 6.2 5 0.5 FCT163245C Min.(3) Max. 1.5 1.5 1.5 1.5 1.5 -- 4.1 5.8 4.8 5.8 4.8 0.5 Unit ns ns ns ns ns ns
NOTES: 1. Propagation Delays and Enable/Disable times are with VCC = 3.3V 0.3V, Normal Range. For VCC = 2.7V to 3.6V, Extended Range, all Propagation Delays and Enable/Disable times should be degraded by 20%. 2. See test circuit and waveforms. 3. Minimum limits are guaranteed but not tested on Propagation Delays. 4. This parameter is guaranteed but not tested. 5. Skew between any two outputs, of the same package, switching in the same direction. This parameter is guaranteed by design.
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IDT74FCT163245A/C 3.3V CMOS 16-BIT BIDIRECTIONAL TRANSCEIVER
INDUSTRIAL TEMPERATURE RANGE
TEST CIRCUITS AND WAVEFORMS
V CC 500 VIN Pulse Generator RT D.U.T. 50pF CL 500 VOUT 6v Open GND
SWITCH POSITION
Test Open Drain Disable Low Enable Low Disable High Enable High All Other Tests Switch 6V GND 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
DATA INPUT TIMING INPUT ASYNCHRONOUS CONTROL PRESET CLEAR ETC. SYNCHRONOUS CONTROL PRESET CLEAR CLOCK ENABLE ETC.
tSU
tH
tREM
3V 1.5V 0V 3V 1.5V 0V 3V 1.5V 0V 3V 1.5V 0V
LOW-HIGH-LOW PULSE tW HIGH-LOW-HIGH PULSE
1.5V
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 VOL 3V 1.5V 0V CONTROL INPUT tPZL OUTPUT NORMALLY LOW OUTPUT NORMALLY HIGH SWITCH 6V tPZH SWITCH GND 3V 1.5V tPHZ 0.3V 1.5V 0V 0V VOH tPLZ DISABLE 3V 1.5V 0V 3V 0.3V VOL
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. 3. if VCC is below 3V, input voltage swings should be adjusted not to exceed VCC.
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IDT74FCT163245A/C 3.3V CMOS 16-BIT BIDIRECTIONAL TRANSCEIVER
INDUSTRIAL TEMPERATURE RANGE
ORDERING INFORMATION
IDT XX FCT XXX Temp. Range Family XXXX Device Type X Package
PV PA PF 245A 245C 163 74
Shrink Small Outline Package Thin Shrink Small Outline Package Thin Very Small Outline Package Non-Inverting 16-Bit Bidirectional Transceiver
Double-Density 3.3Volt - 40C to +85C
DATA SHEET DOCUMENT HISTORY
4/19/2002 Removed blank speed grade
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for Tech Support: logichelp@idt.com (408) 654-6459
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