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PDF IDT54FCT162646ATE Data sheet ( Hoja de datos )

Número de pieza IDT54FCT162646ATE
Descripción FAST CMOS 16-BIT BUS TRANSCEIVER/ REGISTERS (3-STATE)
Fabricantes Integrated Device Technology 
Logotipo Integrated Device Technology Logotipo



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Integrated Device Technology, Inc.
FAST CMOS 16-BIT BUS IDT54/74FCT16646T/AT/CT/ET
TRANSCEIVER/
IDT54/74FCT162646T/AT/CT/ET
REGISTERS (3-STATE)
FEATURES:
• Common features:
– 0.5 MICRON CMOS Technology
– High-speed, low-power CMOS replacement for
ABT functions
Typical tSK(o) (Output Skew) < 250ps
– Low input and output leakage 1µA (max.)
– 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, 15.7 mil pitch TVSOP and 25 mil pitch Cerpack
– Extended commercial range of -40°C to +85°C
– VCC = 5V ±10%
• Features for FCT16646T/AT/CT/ET:
– 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
• Features for FCT162646T/AT/CT/ET:
– Balanced Output Drivers: ±24mA (commercial),
±16mA (military)
– Reduced system switching noise
– Typical VOLP (Output Ground Bounce) < 0.6V at
VCC = 5V,TA = 25°C
DESCRIPTION:
The IDT54/74FCT16646T/AT/CT/ET and IDT54/
74FCT162646T/AT/CT/ET 16-bit registered transceivers are
built using advanced dual metal CMOS technology. These
high-speed, low-power devices are organized as two inde-
pendent 8-bit bus transceivers with 3-state D-type registers.
The control circuitry is organized for multiplexed transmission
of data between A bus and B bus either directly or from the
internal storage registers. Each 8-bit transceiver/register fea-
tures direction control (xDIR), over-riding Output Enable con-
trol (xOE) and Select lines (xSAB and xSBA) to select either
real-time data or stored data. Separate clock inputs are
provided for A and B port registers. Data on the A or B data
bus, or both, can be stored in the internal registers by the
LOW-to-HIGH transitions at the appropriate clock pins. Flow-
through organization of signal pins simplifies layout. All inputs
are designed with hysteresis for improved noise margin.
The IDT54/74FCT16646T/AT/CT/ET are ideally suited for
driving high-capacitance loads and low-impedance
backplanes. The output buffers are designed with power off
disable capability to allow "live insertion" of boards when used
as backplane drivers.
The IDT54/74FCT162646T/AT/CT/ET have balanced
output drive with current limiting resistors. This offers low
ground bounce, minimal undershoot, and controlled output
fall times–reducing the need for external series terminating
resistors. The IDT54/74FCT162646T/AT/CT/ET are plug-in
replacements for the IDT54/74FCT16646T/AT/CT/ET and
54/74ABT16646 for on-board bus interface applications.
FUNCTIONAL BLOCK DIAGRAM
1OE
1DIR
1CLKBA
1SBA
1CLKAB
1SAB
1A1 A REG
D
C
B REG
D
C
2OE
2DIR
2CLKBA
2SBA
2CLKAB
2SAB
1B1 2A1
A REG
D
C
B REG
D
C
2B1
TO 7 OTHER CHANNELS
2540 drw 01
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
MILITARY AND COMMERCIAL TEMPERATURE RANGES
©1996 Integrated Device Technology, Inc.
5.13
TO 7 OTHER CHANNELS
2540 drw 02
AUGUST 1996
DSC-4231/9
1

1 page




IDT54FCT162646ATE pdf
IDT54/74FCT16646T/AT/CT/ET, 162646T/AT/CT/ET
FAST CMOS 16-BIT BUS TRANSCEIVER/REGISTER
MILITARY AND COMMERCIAL TEMPERATURE RANGES
DC ELECTRICAL CHARACTERISTICS OVER OPERATING RANGE
Following Conditions Apply Unless Otherwise Specified:
Commercial: TA = –40°C to +85°C, VCC = 5.0V ± 10%; Military: TA = –55°C to +125°C, VCC = 5.0V ± 10%
Symbol
VIH
VIL
II H
II L
IOZH
IOZL
VIK
IOS
VH
ICCL
ICCH
ICCZ
Parameter
Input HIGH Level
Input LOW Level
Input HIGH Current (Input pins)(5)
Input HIGH Current (I/O pins)(5)
Input LOW Current (Input pins)(5)
Input LOW Current (I/O pins)(5)
High Impedance Output Current
(3-State Output pins)(5)
Clamp Diode Voltage
Short Circuit Current
Input Hysteresis
Quiescent Power Supply Current
Test Conditions(1)
Guaranteed Logic HIGH Level
Guaranteed Logic LOW Level
VCC = Max.
VI = VCC
VI = GND
VCC = Max.
VO = 2.7V
VO = 0.5V
VCC = Min., IIN = –18mA
VCC = Max., VO = GND(3)
VCC = Max., VIN = GND or VCC
OUTPUT DRIVE CHARACTERISTICS FOR FCT16646T
Min.
2.0
–80
Typ.(2)
0.7
140
100
5
Max.
0.8
±1
±1
±1
±1
±1
±1
1.2
225
500
Unit
V
V
µA
µA
V
mA
mV
µA
2540 lnk 05
Symbol
IO
VOH
VOL
IOFF
Parameter
Output Drive Current
Test Conditions(1)
VCC = Max., VO = 2.5V(3)
Output HIGH Voltage
VCC = Min.
IOH = –3mA
Output LOW Voltage
Input/Output Power Off Leakage(5)
VIN = VIH or VIL
IOH = –12mA MIL.
IOH = –15mA COM'L.
IOH = –24mA MIL.
IOH = –32mA COM'L.(4)
VCC = Min.
IOL = 48mA MIL.
VIN = VIH or VIL
IOL = 64mA COM'L.
VCC = 0V, VIN or VO 4.5V
Min.
–50
2.5
2.4
2.0
Typ.(2)
3.5
3.5
3.0
0.2
Max.
180
0.55
±1
Unit
mA
V
V
V
V
µA
OUTPUT DRIVE CHARACTERISTICS FOR FCT162646T
2540 lnk 06
Symbol
IODL
Parameter
Output LOW Current
Test Conditions(1)
VCC = 5V, VIN = VIH or VIL, VOUT = 1.5V(3)
Min. Typ.(2) Max. Unit
60 115 200 mA
IODH
Output HIGH Current
VCC = 5V, VIN = VIH or VIL, VOUT = 1.5V(3)
–60 –115 –200 mA
VOH Output HIGH Voltage
VCC = Min.
VIN = VIH or VIL
IOH = –16mA MIL.
2.4 3.3
IOH = –24mA COM'L.
V
VOL Output LOW Voltage
VCC = Min.
IOL = 16mA MIL.
— 0.3 0.55 V
VIN = VIH or VIL
IOL = 24mA COM'L.
NOTES:
2540 lnk 07
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 = 5.0V, +25°C ambient.
3. Not more than one output should be tested 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.
5.13 5

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