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IDT74FCT163245/A/C 3.3V CMOS 16-BIT BIDIRECTIONAL TRANSCEIVERS
3.3V CMOS 16-BIT BIDIRECTIONAL TRANSCEIVERS
COMMERCIAL TEMPERATURE RANGE
IDT74FCT163245/A/C
Integrated Device Technology, Inc.
FEATURES:
* 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) * Packages include 25 mil pitch SSOP, 19.6 mil pitch TSSOP and 15.7 mil pitch TVSOP * Extended commercial range of -40C to +85C * VCC = 3.3V 0.3V, Normal Range or VCC = 2.7 to 3.6V, Extended Range * CMOS power levels (0.4W 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
DESCRIPTION:
The FCT163245/A/C 16-bit transceivers are built using advanced dual metal CMOS technology. These high-speed, low-power transceivers are ideal for synchronous communication between two busses (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 DIR 1OE 1A1 1B1 1A2 1B2 1A3 1B3 1A4 1B4 1A5 1B5 1A6 1B6 1A7 1B7 1A8 1B8
2554 drw 01
2 DIR 2OE 2A1 2B1 2A2 2B2 2A3 2B3 2A4 2B4 2A5 2B5 2A6 2B6 2A7 2B7 2A8 2B8
2554 drw 02
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
COMMERCIAL TEMPERATURE RANGE
(c)1996 Integrated Device Technology, Inc.
AUGUST 1996
8.2 8.2
DSC-2554/6
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IDT74FCT163245/A/C 3.3V CMOS 16-BIT BIDIRECTIONAL TRANSCEIVERS
COMMERCIAL TEMPERATURE RANGE
PIN CONFIGURATIONS
PIN DESCRIPTION
Pin Names xOE Description Output Enable Input (Active LOW) Direction Control Input Side A Inputs or 3-State Outputs Side B Inputs or 3-State Outputs
2554 tbl 01
1DIR 1B1 1B2
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 SO48-1 37 SO48-2 SO48-3 36 35 34 33 32 31 30 29 28 27 26 25
xDIR
1OE 1A1 1A2
xAx xBx
GND
1B3 1B4
GND
1A3 1A4
ABSOLUTE MAXIMUM RATINGS(1)
Symbol VTERM(2) VTERM(3) VTERM(4) TSTG IOUT 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 -0.5 to VCC + 0.5 -65 to +150 -60 to +60 Unit V V V C mA
VCC
1B5 1B6
VCC
1A5 1A6
GND
1B7 1B8 2B1 2B2
GND
1A7 1A8 2A1 2A2
GND
2B3 2B4
GND
2A3 2A4
2554 lnk 03 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. Output and I/O terminals.
VCC
2B5 2B6
VCC
2A5 2A6
FUNCTION TABLE(1)
Inputs xOE OE L L H xDIR L H X Outputs Bus B Data to Bus A Bus A Data to Bus B High Z State
2554 tbl 02
GND
2B7 2B8 2DIR
GND
2A7 2A8 2OE
2554 drw 03
NOTE: 1. H = HIGH Voltage Level L = LOW Voltage Level X = Don't Care Z = High Impedance
SSOP/ TSSOP/TVSOP TOP VIEW
CAPACITANCE (TA = +25C, f = 1.0MHz)
Symbol Parameter(1) CIN Input Capacitance CI/O I/O Capacitance Conditions VIN = 0V VOUT = 0V Typ. 3.5 3.5 Max. Unit 6.0 pF 8.0 pF
2554 lnk 04
NOTE: 1. This parameter is measured at characterization but not tested.
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IDT74FCT163245/A/C 3.3V CMOS 16-BIT BIDIRECTIONAL TRANSCEIVERS
COMMERCIAL TEMPERATURE RANGE
DC ELECTRICAL CHARACTERISTICS OVER OPERATING RANGE
Following Conditions Apply Unless Otherwise Specified: Commercial: TA = -40C to +85C, VCC = 2.7V to 3.6V
Symbol VIH VIL II H II L 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) 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 = Max. VCC = Max. VI = 5.5V VI = VCC VI = GND VI = GND VO = VCC VO = GND VCC = Min., IIN = -18mA VCC = 3.3V, VIN = VIH or VIL, VO = 1.5V(3) VCC = 3.3V, VIN = VIH or VIL, VO = 1.5V(3) VCC = Min. VIN = VIH or VIL VCC = 3.0V VIN = VIH or VIL VCC = Min. VIN = VIH or VIL IOH = -0.1mA IOH = -3mA IOH = -8mA IOL = 0.1mA IOL = 16mA IOL = 24mA VCC = 3.0V IOL = 24mA VIN = VIH or VIL VCC = Max., VO = GND(3)
--
Test Conditions(1) Guaranteed Logic HIGH Level Guaranteed Logic LOW Level
Min. 2.0 2.0 -0.5 -- -- -- -- -- -- -- -36 50 VCC-0.2 2.4 2.4 (5) -- -- -- -- -60 -- --
Typ.(2) -- --
--
Max. 5.5 VCC+0.5 0.8
Unit V V
-- -- -- -- -- -- -0.7
1 1 1 1 1 1
-1.2
A
A
V mA mA V
-60 90 -- 3.0 3.0 -- 0.2 0.3 0.3
-135
-110 200 -- -- -- 0.2 0.4 0.55 0.50 -240
--
VOL
Output LOW Voltage
V
IOS VH ICCL ICCH ICCZ
Short Circuit Current(4) Input Hysteresis Quiescent Power Supply Current
mA mV
150 0.1
VCC = Max., VIN = GND or VCC
10
A
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 = 3.3V, +25C ambient. 3. Not more than one output should be tested 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.
2554 lnk 05
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IDT74FCT163245/A/C 3.3V CMOS 16-BIT BIDIRECTIONAL TRANSCEIVERS
COMMERCIAL TEMPERATURE RANGE
POWER SUPPLY CHARACTERISTICS
Symbol ICC ICCD Parameter Quiescent Power Supply Current TTL Inputs HIGH Dynamic Power Supply Current(4) VCC = Max. Outputs Open xOE = xDIR = GND One Input Toggling 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 -0.6V VIN = GND VIN = VCC VIN = GND VIN = VCC -0.6V VIN = GND -- 2.0 3.0 (5) -- 0.5 0.8 VIN = VCC VIN = GND -- 50 75 A/ MHz VCC = Max. Test Conditions(1) VIN = VCC - 0.6V(3) Min. -- Typ.(2) 2.0 Max. 30 Unit A
IC
Total Power Supply Current (6)
VIN = VCC VIN = GND
--
0.5
0.8
mA
--
2.0
3.3 (5)
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 = 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
2554 tbl 06
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IDT74FCT163245/A/C 3.3V CMOS 16-BIT BIDIRECTIONAL TRANSCEIVERS
COMMERCIAL TEMPERATURE RANGE
SWITCHING CHARACTERISTICS OVER OPERATING RANGE(4)
FCT163245 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 (5) Output Disable Time xDIR to A or B (5) Output Skew (3) Condition(1) CL = 50pF RL = 500 Min.(2) 1.5 1.5 1.5 1.5 1.5 -- Max. 7.0 9.5 7.5 9.5 7.5 0.5 FCT163245A Min.(2) 1.5 1.5 1.5 1.5 1.5 -- Max. 4.6 6.2 5.0 6.2 5.0 0.5 FCT163245C Min. (2) 1.5 1.5 1.5 1.5 1.5 -- Max. 4.1 5.8 4.8 5.8 4.8 0.5 Unit ns ns ns ns ns ns
2554 tbl 07 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. 4. 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%. 5. This parameter is guaranteed but not tested.
8.2
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IDT74FCT163245/A/C 3.3V CMOS 16-BIT BIDIRECTIONAL TRANSCEIVERS
COMMERCIAL TEMPERATURE RANGE
TEST CIRCUITS AND WAVEFORMS TEST CIRCUITS FOR ALL OUTPUTS
6V V
CC
SWITCH POSITION
Open GND
500 V Pulse Generator R
T IN
V D.U.T.
OUT
Test Open Drain Disable Low Enable Low Disable High Enable High All Other tests
Switch 6V
50pF C
L
500
SET-UP, HOLD AND RELEASE TIMES
DATA INPUT TIMING INPUT ASYNCHRONOUS CONTROL PRESET CLEAR ETC. SYNCHRONOUS CONTROL PRESET CLEAR CLOCK ENABLE ETC. tSU
tH
tREM
tSU
tH
PROPAGATION DELAY
3V 1.5V 0V VOH 1.5V VOL 3V 1.5V 0V
2554 drw 08
SAME PHASE INPUT TRANSITION tPLH OUTPUT tPLH OPPOSITE PHASE INPUT TRANSITION tPHL tPHL
GND Open
2554 lnk 08 DEFINITIONS: CL= Load capacitance: includes jig and probe capacitance. RT = Termination resistance: should be equal to ZOUT of the Pulse Generator.
2554 drw 05
PULSE WIDTH
3V 1.5V 0V 3V 1.5V 0V 3V 1.5V 0V 3V 1.5V 0V
2554 drw 06
LOW-HIGH-LOW PULSE tW HIGH-LOW-HIGH PULSE
1.5V
1.5V
2554 drw 07
ENABLE AND DISABLE TIMES
ENABLE CONTROL INPUT tPZL OUTPUT NORMALLY SWITCH 6V LOW tPZH OUTPUT NORMALLY HIGH SWITCH GND tPLZ 3V 1.5V tPHZ 0.3V 1.5V 0V VOH 0V
2554 drw 09
DISABLE 3V 1.5V 0V 3V 0.3V VOL
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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IDT74FCT163245/A/C 3.3V CMOS 16-BIT BIDIRECTIONAL TRANSCEIVERS
COMMERCIAL TEMPERATURE RANGE
ORDERING INFORMATION
IDT XX FCT XXXX Temp. Range Device Type X Package
PV PA PF 163245 163245A 163245C 74
Shrink Small Outline Package (SO48-1) Thin Shrink Small Outline Package (SO48-2) Thin Very Small Outline Package (SO48-3) Non-Inverting 16-Bit Bidirectional Transceiver
-40C to +85C
2554 drw 10
8.2
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