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74FCT164245TPAG

P1-P3P4-P6P7-P8
1
IDT74FCT164245T
FAST CMOS 16-BIT BIDIRECTIONAL 3.3V TO 5V TRANSLATOR
INDUSTRIAL TEMPERATURE RANGE
MAY 2016INDUSTRIAL TEMPERATURE RANGE
IDT and the IDT logo are registered trademarks of Integrated Device Technology, Inc.
© 2016 Integrated Device Technology, Inc. DSC-2555/11
FEATURES:
• 0.5 MICRON CMOS Technology
• Bidirectional interface between 3.3V and 5V buses
• Control inputs can be driven from either 3.3V or 5V circuits
• ESD > 2000V per MIL-STD-883, Method 3015; > 200V using
machine model (C = 200pF, R = 0)
•VCC1 = 5V ±10%, VCC2 = 2.7V to 3.6V
• High drive outputs (-32mA IOH, 64mA IOL) on 5V port
• Power off disable on both ports permits “live insertion”
• Typical VOLP (Output Ground Bounce) < 0.9V at VCC1 = 5V,
VCC2 = 3.3V, TA = 25°C
• Available in SSOP and TSSOP packages
FUNCTIONAL BLOCK DIAGRAM
IDT74FCT164245T
FAST CMOS 16-BIT
BIDIRECTIONAL
3.3V TO 5V TRANSLATOR
DESCRIPTION:
The FCT164245T 16-bit 3.3V-to-5V translator is built using advanced
dual metal CMOS technology. This high-speed, low-power transceiver is
designed to interface between a 3.3V bus and a 5V bus in a mixed 3.3V/
5V supply environment. This enables system designers to interface TTL
compatible 3.3V components with 5V components. The direction and output
enable controls operate these devices as either two independent 8-bit
transceivers or one 16-bit transceiver. The A port interfaces with the 3.3V
bus; the B port interfaces with the 5V bus. The direction control (xDIR) pin
controls the direction of data flow. The output enable pin (xOE) overrides
the direction control and disables both ports. These control signals can be
driven from either 3.3V or 5V devices.
The FCT164245T is ideally suited for driving high-capacitance loads
and low-impedance backplanes. The output buffers are designed with
power off disable capability to allow "hot insertion" of boards when used as
backplane drivers. They also allow interface between a mixed supply
system and external 5 volt peripherals.
1
DIR
1
OE
1
A
1
1
A
2
1
A
3
1
A
4
1
A
5
1
A
6
1
A
7
1
A
8
1
B
1
1
B
2
1
B
3
1
B
4
1
B
5
1
B
6
1
B
7
1
B
8
3.3V Port
5V Port
2
DIR
2
OE
2
A
1
2
A
2
2
A
3
2
A
4
2
A
5
2
A
6
2
A
7
2
A
8
2
B
1
2
B
2
2
B
3
2
B
4
2
B
5
2
B
6
2
B
7
2
B
8
3.3V Port
5V Port
1
47
48
2
3
5
6
46
44
43
41
40
38
37
8
9
11
12
24
36
35
33
32
30
25
29
27
26
22
23
13
14
16
17
19
20
2
INDUSTRIAL TEMPERATURE RANGE
IDT74FCT164245T
FAST CMOS 16-BIT BIDIRECTIONAL 3.3V TO 5V TRANSLATOR
PIN CONFIGURATION
Symbol Description Max Unit
VTERM
(2)
Terminal Voltage with Respect to GND –0.5 to +7 V
VTERM
(3)
Terminal Voltage with Respect to GND –0.5 to Vcc1+0.5 V
TA Operating Temperature –40 to +85 °C
TBIAS Temperature Under Bias –55 to +125 °C
TSTG Storage Temperature –55 to +125 °C
PT Power Dissipation 1 W
I
OUT DC Output Current –60 to +120 mA
ABSOLUTE MAXIMUM RATINGS
(1)(1)
(1)(1)
(1)
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. All devices except Vcc2.
3. Power supply terminal Vcc2.
Symbol Parameter
(1)
Conditions Typ. Max. Unit
CIN Input Capacitance VIN = 0V 3.5 6 pF
C
I/O I/O Capacitance VOUT = 0V 3.5 8 pF
CAPACITANCE (TA = +25°C, F = 1.0MHz)
NOTE:
1. This parameter is measured at characterization but not tested.
PIN DESCRIPTION
Pin Names Description
xOE Output Enable Input (Active LOW)
xDIR Direction Control Input
xA x Side A Inputs or 3-State Outputs (3.3V Port)
xBx Side B Inputs or 3-State Outputs (5V Port)
SSOP/ TSSOP
TOP VIEW
1
DIR
1
B
1
GND
1
B
3
V
CC1
GND
2
B
2
GND
V
CC1
GND
1
B
2
1
B
4
1
B
5
1
B
6
1
B
7
1
B
8
2
B
1
2
B
3
2
B
4
2
B
5
2
B
7
2
B
8
2
B
6
2
DIR
1
A
1
1
A
2
GND
1
A
3
1
A
4
V
CC2
1
A
5
1
A
6
1
A
7
1
A
8
2
A
1
2
A
2
2
A
3
2
A
4
V
CC2
2
A
5
2
A
7
2
A
8
2
A
6
GND
GND
GND
2
OE
1
OE
39
29
30
31
32
33
34
35
36
37
38
25
26
27
28
48
47
41
42
43
44
45
46
40
1
2
3
4
5
6
7
8
9
10
12
13
14
15
16
17
18
19
20
11
21
22
23
24
FUNCTION TABLE
(1)
Inputs
xOE xDIR Outputs
L L Bus B Data to Bus A
L H Bus A Data to Bus B
H X High Z State
NOTE:
1. H = HIGH Voltage Level
L = LOW Voltage Level
X = Don't Care
Z = High-Impedance
POWER SUPPLY SEQUENCING
In the 74FCT164245T, the condition of VCC1 ≥ (VCC2 – 0.5V) must be
maintained at all times. For the range of VCC1 = (VCC2 – 0.5V) to VCC1 = (VCC2
+ 0.9V), both the A and B ports will remain in a High-Impedance state.
3
IDT74FCT164245T
FAST CMOS 16-BIT BIDIRECTIONAL 3.3V TO 5V TRANSLATOR
INDUSTRIAL TEMPERATURE RANGE
Symbol Parameter Test Conditions
(1)
Min. Typ.
(2)
Max. Unit
VIH Input HIGH Level (Input and I/O pins) Guaranteed Logic HIGH Level 2 — 5.5 V
VIL Input LOW Level (Input and I/O pins) Guaranteed Logic LOW Level –0.5 — 0.8 V
I
IH Input HIGH Current (Input pins) VCC1 = Max. VI = 5.5V — — ±5
Input HIGH Current (I/O pins) VCC2 = Max. VI = VCC2 ——±15 μA
IIL Input LOW Current (Input pins) VI = GND — — ±5
Input LOW Current (I/O pins) VI = GND — — ±15
VIK Clamp Diode Voltage VCC2 = Min., IIN = –18mA — –0.7 –1.2 V
V
OH Output HIGH Voltage VCC1 = VCC2 = Min. IOH = –0.1mA VCC2 –0.2 — — V
V
IN = VIH or VIL
VCC2 = 3V IOH = –8mA 2.4 3 —
VIN = VIH or VIL
VOL Output LOW Voltage VCC1 = Min. IOL = 0.1mA — — 0.2 V
V
CC2 = Min. IOL = 16mA — 0.2 0.4
VIN = VIH or VIL IOL = 24mA — 0.3 0.55
V
CC = 3V IOL = 24mA — 0.3 0.5
VIN = VIH or VIL
IOFF Input/Output Power Off Leakage VCC1 = 0V, VCC2 = 0V, VIN or VO ≤ 4.5V — — ±100 μA
IOS Short Circuit Current
(4)
VCC1 = Max., VCC2 = Max., VO = GND
(3)
–70 –105 –150 mA
IO Output Drive Current VCC1 = Max., VCC2 = Max., VO = 1.5V
(3)
–40 –60 –90 mA
VH Input Hysteresis — — 150 — mV
I
CC2L Quiescent Power Supply Current VCC1 = Max. — 0.35 2 mA
I
CC2H VCC2 = Max.
ICC2Z VIN = GND or VCC2
DC ELECTRICAL CHARACTERISTICS OVER OPERATING RANGE (A PORT, 3.3V)
Following Conditions Apply Unless Otherwise Specified:
VCC1 = 5V ±10%, VCC2 = 2.7V to 3.6V, Industrial: TA = –40°C to +85°C
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 VCC1 = 5V, VCC2 = 3.3V, +25°C 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.
P1-P3P4-P6P7-P8

74FCT164245TPAG

Mfr. #:
Buy 74FCT164245TPAG
Manufacturer:
IDT
Description:
Bus Transceivers 3.3V to 5V 16-Bit Trans. Transceiver
Lifecycle:
New from this manufacturer.
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