View IDT74FCT652CT_284156.PDF datasheet online --- IC-ON-LINE

Datasheet File OCR Text:

IDT74FCT652AT/CT FAST CMOS OCTAL TRANSCEIVER/REGISTER (3-STATE)
INDUSTRIAL TEMPERATURE RANGE
FAST CMOS OCTAL TRANSCEIVER/ REGISTER (3-STATE)
FEATURES:
* * * *
IDT74FCT652AT/CT
* * * *
A and C grades Low input and output leakage 1A (max.) CMOS power levels True TTL input and output compatibility: - VOH = 3.3V (typ.) - VOL = 0.3V (typ.) High Drive outputs (-15mA IOH, 64mA IOL) Meets or exceeds JEDEC standard 18 specifications Power off disable outputs permit "live insertion" Available in SOIC, SSOP, and QSOP packages
DESCRIPTION:
The FCT652T consists of a bus transceiver with 3-state D-type flip-flops and control circuitry arranged for multiplexed transmission of data directly from the data bus or from the internal storage registers. The FCT652T utilizes GAB and GBA signals to control the transceiver functions. SAB and SBA control pins are provided to select either real- time or stored data transfer. The circuitry used for select control will eliminate the typical decoding glitch that occurs in a multiplexer during the transition between stored and real-time data. A low input level selects real-time data and a high selects stored data. Data on the A or B data bus, or both, can be stored in the internal D flipflops by low-to-high transitions at the appropriate clock pins (CPAB or CPBA), regardless of the select or enable control pins.
FUNCTIONAL BLOCK DIAGRAM
GBA
GAB
CPBA SBA CPAB SAB B REG ONE OF EIGHT CHANNELS 1D C1
A1
A REG 1D C1
B1
TO SEVEN OTHER CHANN ELS
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
INDUSTRIAL TEMPERATURE RANGE
1
JUNE 2002
DSC-5508/3
(c) 2002 Integrated Device Technology, Inc.
IDT74FCT652AT/CT FAST CMOS OCTAL TRANSCEIVER/REGISTER (3-STATE)
INDUSTRIAL TEMPERATURE RANGE
PIN CONFIGURATION
CPAB SAB GAB A1 A2 A3 A4 A5 A6 A7 A8 GND 1 2 3 4 5 6 7 8 9 10 11 12 24 23 22 21 20 19 18 17 16 15 14 13 VCC CPBA SBA GBA B1 B2 B3 B4 B5 B6 B7 B8
ABSOLUTE MAXIMUM RATINGS(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
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. No terminal voltage may exceed Vcc by +0.5V unless otherwise noted. 2. Inputs and Vcc terminals only. 3. Output and I/O terminals only.
CAPACITANCE (TA = +25C, F = 1.0MHz)
Symbol CIN COUT Parameter(1) Input Capacitance Output Capacitance Conditions VIN = 0V VOUT = 0V Typ. 6 8 Max. 10 12 Unit pF pF
NOTE: 1. This parameter is measured at characterization but not tested.
SOIC/ SSOP/ QSOP TOP VIEW
PIN DESCRIPTION
Pin Names A1 - A8 B1 - B8 CPAB, CPBA SAB, SBA GAB, GBA Description Data Register A Inputs Data Register B Outputs Data Register B Inputs Data Register A Outputs Clock Pulse Inputs Output Data Source Select Inputs Output Enable Inputs
2
IDT74FCT652AT/CT FAST CMOS OCTAL TRANSCEIVER/REGISTER (3-STATE)
INDUSTRIAL TEMPERATURE RANGE
FUNCTION TABLE(1)
Inputs GAB L L X H L L L L H H H GBA H L H H X L L L H H L CPAB H or L H or L X X X H or L H or L CPBA H or L H or L X H or L X X H or L SAB X X X X X X X X L H H SBA X X X X X X L H X X H Output Output Input Output Input Input Unspecified(2) Output Output Unspecified(2) Output Input Input Input A1 - A8 Input Data I/O B1 - B8 Input Isolation Store A and B Data Store A, Hold B Store A in Both Registers Hold A, Store B Store B in Both Registers Real-Time B Data to A Bus Stored B Data to A Bus Real-Time A Data to B Bus Stored A Data to B Bus Stored A Data to B Bus and Stored B Data to A Bus Operation or Function
NOTES: 1. H = HIGH L = LOW X = Don't Care = LOW-to-HIGH transition. Select control = L: clocks can occur simultaneously. Select control = H: clocks must be staggered in order to load both registers. 2. The data output functions may be enabled or disabled by various signals at the GAB or GBA inputs. Data input functions are always enabled, i.e. data at the bus pins will be stored on every LOW-to-HIGH transition on the clock inputs.
3
IDT74FCT652AT/CT FAST CMOS OCTAL TRANSCEIVER/REGISTER (3-STATE)
INDUSTRIAL TEMPERATURE RANGE
BUS A
BUS B
BU S A
BUS B
GAB L
G BA L
CPAB X
CPBA X
SAB X
SBA L
GAB H
G BA H
CPAB X
CPBA X
SAB L
SBA X
Real-Time Transfer Bus B to A
Real-Time Transfer Bus A to B
BUS A
BU S B
BUS A
BUS B
GAB X L L
GBA H X H
CPAB
CPBA X

SAB X X X
SBA X X X
GAB H
G BA L
CPAB H or L
CPBA H or L
SAB H
SBA H
X
Storage From A and/or B
Transfer Stores Data to A and/or B
4
IDT74FCT652AT/CT FAST CMOS OCTAL TRANSCEIVER/REGISTER (3-STATE)
INDUSTRIAL TEMPERATURE RANGE
DC ELECTRICAL CHARACTERISTICS OVER OPERATING RANGE
Following Conditions Apply Unless Otherwise Specified: Industrial: TA = -40C to +85C, VCC = 5.0V 5%
Symbol VIH VIL IIH IIL IOZH IOZL II VIK VH ICC Parameter Input HIGH Level Input LOW Level Input HIGH Current(4) Input LOW Current(4) High Impedance Output Current (3-State output pins)(4) Input HIGH Current(4) Clamp Diode Voltage Input Hysteresis Quiescent Power Supply Current VCC = Max., VI = VCC (Max.) VCC = Min, IIN = -18mA -- VCC = Max., VIN = GND or VCC Test Conditions(1) Guaranteed Logic HIGH Level Guaranteed Logic LOW Level VCC = Max. VCC = Max. VCC = Max VI = 2.7V VI = 0.5V VO = 2.7V VO = 0.5V Min. 2 -- -- -- -- -- -- -- -- -- Typ.(2) -- -- -- -- -- -- -- -0.7 200 0.01 Max. -- 0.8 1 1 1 1 1 -1.2 -- 1 A V mV mA Unit V V A A A
OUTPUT DRIVE CHARACTERISTICS
Symbol VOH VOL IOS IOFF Parameter Output HIGH Voltage Output LOW Voltage Short Circuit Current Input/Output Power Off Leakage(5) VCC = Min VIN = VIH or VIL VCC = Min VIN = VIH or VIL Test Conditions(1) IOH = -8mA IOH = -15mA IOL = 64mA Min. 2.4 2 -- -60 -- Typ.(2) 3.3 3 0.3 -120 -- Max. -- -- 0.55 -225 1 Unit V V mA A
VCC = Max., VO = GND(3) VCC = 0V, VIN or VO 4.5V
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, +25C ambient. 3. Not more than one output should be tested at one time. Duration of the test should not exceed one second. 4. The test limit for this parameter is 5A at TA = -55C. 5. This parameter is guaranteed but not tested.
5
IDT74FCT652AT/CT FAST CMOS OCTAL TRANSCEIVER/REGISTER (3-STATE)
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 = 3.4V(3) VCC = Max. Outputs Open GAB = GBA = GND One Input Toggling 50% Duty Cycle VCC = Max. Outputs Open fCP = 10MHz 50% Duty Cycle GAB = GBA = GND One Bit Toggling at fi = 5MHz VCC = Max. Outputs Open fCP = 10MHz 50% Duty Cycle GAB = GBA = GND Eight Bits Toggling at fi = 2.5MHz VIN = 3.4V VIN = GND -- 6 16.3(5) VIN = VCC VIN = GND Test Conditions(1) Min. -- -- Typ.(2) 0.5 0.15 Max. 2 0.25 Unit mA mA/ MHz
IC
Total Power Supply Current(6)
VIN = VCC VIN = GND
--
1.5
3.5
mA
VIN = 3.4V VIN = GND VIN = VCC VIN = GND
--
2
5.5
--
3.8
7.3(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 = 5.0V, +25C 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 ICC formula. These limits are guaranteed but not tested. 6. IC = IQUIESCENT + IINPUTS + IDYNAMIC IC = ICC + ICC DHNT + ICCD (fCP/2+ fiNi) ICC = Quiescent Current 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) fi = Output Frequency Ni = Number of Outputs at fi All currents are in milliamps and all frequencies are in megahertz.
6
IDT74FCT652AT/CT FAST CMOS OCTAL TRANSCEIVER/REGISTER (3-STATE)
INDUSTRIAL TEMPERATURE RANGE
SWITCHING CHARACTERISTICS OVER OPERATING RANGE
Symbol tPLH tPHL tPZH tPZL tPHZ tPLZ tPLH tPHL tPLH tPHL tSU tH tW Parameter Propagation Delay Bus to Bus Output Enable Time, GAB, GBA to Bus Output Disable Time, GAB, GBA to Bu Propagation Delay Clock to Bus Propagation Delay SBA or SAB to Bus Set-up Time HIGH or LOW, Bus to Clock Hold Time HIGH or LOW, Bus to Clock Clock Pulse Width, HIGH or LOW(3) Condition(1) CL = 50pF RL = 500 Min.(2) 2 2 2 2 2 2 1.5 5 FCT652AT Max. 6.3 9.8 6.3 6.3 7.7 -- -- -- FCT652CT Min.(2) Max. 1.5 5.4 1.5 1.5 1.5 1.5 2 1.5 5 7.8 6.3 5.7 6.2 -- -- -- Unit ns ns ns ns ns ns ns ns
NOTES: 1. See test circuit and waveforms. 2. Minimum limits are guaranteed but not tested on Propagation Delays. 3. This parameter is guaranteed but not tested.
7
IDT74FCT652AT/CT FAST CMOS OCTAL TRANSCEIVER/REGISTER (3-STATE)
INDUSTRIAL TEMPERATURE RANGE
TEST CIRCUITS AND WAVEFORMS
V CC 500 VIN Pulse Generator RT D.U.T . VOUT 7.0V
SWITCH POSITION
Test Open Drain Disable Low Enable Low All Other Tests Switch Closed Open
50pF CL
500
DEFINITIONS: CL = Load capacitance: includes jig and probe capacitance. RT = Termination resistance: should be equal to ZOUT of the Pulse Generator.
Octal link
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
Octal link
LOW-HIGH-LOW PULSE tW HIGH-LOW-HIGH PULSE
Octal link
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
Octal link
DISABLE 3V 1.5V
CONTROL INPUT tPZL OUTPUT NORMALLY LOW OUTPUT NORMALLY HIGH SWITCH CLOSED tPZH SWITCH OPEN 3.5V 1.5V tPHZ 0.3V 1.5V 0V tPLZ
0V 3.5V 0.3V VOL VOH 0V
Octal link
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.
8
IDT74FCT652AT/CT FAST CMOS OCTAL TRANSCEIVER/REGISTER (3-STATE)
INDUSTRIAL TEMPERATURE RANGE
ORDERING INFORMATION
XXXX IDT XX FCT Device Type Temp. Range XX Package
SO Q PY
Small Outline IC Quarter-size Small Outline Package Shrink Small Outline Package
652AT 652CT
Fast CMOS Octal Transceiver/Register (3-State)
74
- 40C to +85C
CORPORATE HEADQUARTERS 2975 Stender Way Santa Clara, CA 95054
for SALES: 800-345-7015 or 408-727-6116 fax: 408-492-8674 www.idt.com
for Tech Support: logichelp@idt.com (408) 654-6459
9

▲Up To Search▲

Price & Availability of IDT74FCT652CT

	To Download IDT74FCT652CT Datasheet File
If you can't view the Datasheet, Please click here to try to view without PDF Reader .