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3.3V CMOS 16-BIT BUFFER/LINE DRIVER
Integrated Device Technology, Inc.
IDT74FCT163244/A/C
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 FCT163244/A/C 16-bit buffer/line drivers are built using advanced dual metal CMOS technology. These highspeed, low-power devices offer bus/backplane interface capability with improved packing density. These devices have a flow-through organization for simplifying board layout. The three-state controls operate these devices in a Quad-Nibble, Dual-Byte or single 16-bit word mode. All inputs are designed with hysteresis for improved noise margin. The inputs of the FCT163244/A/C can be driven from either 3.3V or 5V devices. This feature allows the use of these devices as translators in a mixed 3.3V/5V supply system. Thus, the FCT163244/A/C can be used as buffers to connect 5V components to a 3.3V bus.
FUNCTIONAL BLOCK DIAGRAM
1OE 1A1 1A2 1Y1
3OE 3A1 3A2 3Y1 3Y2
1Y2 1Y3
1A3 1A4
3A3
3Y3 3Y4
1Y4
3A4
2OE 2Y1
4OE 4A1 4A2 4A3
2A1 2A2 2A3
4Y1 4Y2 4Y3
2Y2 2Y3 2Y4
2532 drw 01
2A4
4A4
4Y4
2532 drw 02
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
COMMERCIAL TEMPERATURE RANGES
(c)1996 Integrated Device Technology, Inc.
AUGUST 1996
8.1
DSC-2532/7
1
IDT74FCT163244/A/C 3.3V 16-BIT BUFFER/LINE DRIVER
COMMERCIAL TEMPERATURE RANGES
PIN CONFIGURATIONS
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
PIN DESCRIPTION
Pin Names xOE
2OE 1A1 1A2
Description 3-State Output Enable Inputs (Active LOW) Data Inputs 3-State Outputs
2532 tbl 01
1OE 1Y1 1Y2
xAx xYx
GND
1Y3 1Y4
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
2Y1 2Y2
VCC
2A1 2A2
GND
2Y3 2Y4 3Y1 3Y2
GND
2A3 2A4 3A1 3A2
GND
3Y3 3Y4
GND
3A3 3A4
2532 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.
CAPACITANCE (TA = +25C, f = 1.0MHz)
Symbol Parameter(1) CIN Input Capacitance COUT Output Capacitance Conditions VIN = 0V VOUT = 0V Typ. 3.5 3.5 Max. Unit 6.0 pF 8.0
pF
VCC
4Y1 4Y2
VCC
4A1 4A2
GND
4Y3 4Y4 4OE
GND
4A3 4A4 3OE
2532 drw 03
2532 lnk 04 NOTE: 1. This parameter is measured at characterization but not tested.
FUNCTION TABLE(1)
Inputs xOE OE L L H
NOTE: 1. H = HIGH Voltage Level L = LOW Voltage Level X = Don't Care Z = High Impedance
SSOP/ TSSOP/TVSOP TOP VIEW
xAx L H X
Outputs xYx
L
H Z
2532 tbl 02
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IDT74FCT163244/A/C 3.3V 16-BIT BUFFER/LINE DRIVER
COMMERCIAL TEMPERATURE RANGES
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.
2532 lnk 05
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IDT74FCT163244/A/C 3.3V 16-BIT BUFFER/LINE DRIVER
COMMERCIAL TEMPERATURE RANGES
POWER SUPPLY CHARACTERISTICS
Symbol ICC ICCD Parameter Quiescent Power Supply Current TTL Inputs HIGH Dynamic Power Supply Current(4) VCC = Max. Outputs Open 50% Duty Cycle xOE = GND One Input Toggling 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 Bits Toggling VIN = VCC -0.6V VIN = GND VIN = VCC VIN = GND VIN = VCC -0.6V VIN = GND -- 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
3.0 (5)
--
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
2532 tbl 06
SWITCHING CHARACTERISTICS OVER OPERATING RANGE(4)
FCT163244 Symbol Parameter Condition(1) Min.(2) Max. FCT163244A Min.(2) Max. FCT163244C Min.(2) Max. Unit
tPLH tPHL tPZH tPZL tPHZ tPLZ tSK(o)
Propagation Delay xAx to xYx Output Enable Time Output Disable Time Output Skew (3)
CL = 50pF RL = 500
1.5 1.5 1.5 --
6.5 8.0 7.0 0.5
1.5 1.5 1.5 --
4.8 6.2 5.6 0.5
1.5 1.5 1.5 --
4.1 5.8 5.2 0.5
ns
ns ns ns
2532 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%.
8.1
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IDT74FCT163244/A/C 3.3V 16-BIT BUFFER/LINE DRIVER
COMMERCIAL TEMPERATURE RANGES
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
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
GND Open
2532 lnk 08 DEFINITIONS: CL= Load capacitance: includes jig and probe capacitance. RT = Termination resistance: should be equal to ZOUT of the Pulse Generator.
2532 drw 05
PULSE WIDTH
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
2532 drw 07
2532 drw 06
ENABLE AND DISABLE TIMES
ENABLE CONTROL INPUT tPZL OUTPUT NORMALLY SWITCH 6V LOW tPZH OUTPUT NORMALLY HIGH SWITCH GND 3V 1.5V tPHZ 0.3V 1.5V 0V 0V
2532 drw 09
DISABLE 3V 1.5V tPLZ 0V 3V 0.3V VOL VOH
2532 drw 08
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.
8.1
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IDT74FCT163244/A/C 3.3V 16-BIT BUFFER/LINE DRIVER
COMMERCIAL TEMPERATURE RANGES
ORDERING INFORMATION
IDT XX FCT XXXX Temp. Range Device Type X Package
PV PA PF 163244 163244A 163244C 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 Buffer/Line Driver
-40C to +85C
2532 tbl 07
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