IDT IDT74LVC162245A 3.3v cmos 16-bit bus transceiver with 3-state outputs and 5 volt tolerant i/o Datasheet

IDT74LVC162245A
3.3V CMOS 16-BIT TRANSCEIVER WITH 3-STATE OUTPUTS
INDUSTRIAL TEMPERATURE RANGE
3.3V CMOS 16-BIT
BUS TRANSCEIVER
WITH 3-STATE OUTPUTS
AND 5 VOLT TOLERANT I/O
IDT74LVC162245A
DESCRIPTION:
FEATURES:
This 16-bit transceiver is built using advanced dual metal CMOS
technology. The LVC162245A is designed for asynchronous communication between data buses. The control-function implementation minimizes
external timing requirements. This device can be used as two 8-bit
transceivers or one 16-bit transceiver. It allows data transmission from the
A bus to the B bus or from the B bus to the A bus, depending on the logic
level at the direction-control (DIR) input. The output-enable (OE) input can
be used to disable the device so that the buses are effectively isolated. To
ensure the high-impedance state during power up or power down, OE
should be tied to VCC through a pullup resistor; the minimum value of the
resistor is determined by the current-sinking capability of the driver.
All pins can be driven from either 3.3V or 5V devices. This feature allows
the use of this device as a translator in a mixed 3.3V/5V supply system.
The LVC162245A has series resistors in the device output structure of
the “A” port which will significantly reduce line noise when used with light
loads. The driver has been designed to drive ±12mA at the designated
threshold levels. The “B” port has a ±24mA driver.
• Typical tSK(o) (Output Skew) < 250ps
• ESD > 2000V per MIL-STD-883, Method 3015; > 200V using
machine model (C = 200pF, R = 0)
• VCC = 3.3V ± 0.3V, Normal Range
• VCC = 2.7V to 3.6V, Extended Range
µ W typ. static)
• CMOS power levels (0.4µ
• All inputs, outputs, and I/O are 5V tolerant
• Available in SSOP, TSSOP, and TVSOP packages
DRIVE FEATURES:
• Balanced Output Drivers: ±12mA (A port)
• High Output Drivers: ±24mA (B port)
APPLICATIONS:
• 5V and 3.3V mixed voltage systems
• Data communication and telecommunication systems
FUNCTIONAL BLOCK DIAGRAM
1DIR
24
1
2DIR
25
48
1OE
1A1
2OE
47
2A1
2
36
13
1B1
1A2
2A2
3
14
1B2
1A3
2A3
16
1B3
2B3
32
43
2A4
6
17
1B4
1A5
2B4
41
2A5
30
8
19
1B5
1A6
40
2A6
9
1A7
20
1B6
38
2A7
2B6
27
22
1B7
2B7
37
2A8
12
2B5
29
11
1A8
2B2
33
44
5
1A4
2B1
35
46
26
23
1B8
2B8
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
INDUSTRIAL TEMPERATURE RANGE
AUGUST 1999
1
© 1999 Integrated Device Technology, Inc.
DSC-4483/1
IDT74LVC162245A
3.3V CMOS 16-BIT TRANSCEIVER WITH 3-STATE OUTPUTS
INDUSTRIAL TEMPERATURE RANGE
ABSOLUTE MAXIMUM RATINGS(1)
PIN CONFIGURATION
Symbol
Description
Max
Unit
VTERM(2)
Terminal Voltage with Respect to GND
–0.5 to +6.5
V
VTERM(3)
Terminal Voltage with Respect to GND
–0.5 to +6.5
V
TSTG
Storage Temperature
–65 to +150
°C
1DIR
1
48
1OE
1B1
2
47
1A1
IOUT
DC Output Current
–50 to +50
mA
IIK
IOK
Continuous Clamp Current,
VI < 0 or VO < 0
–50
mA
ICC
ISS
Continuous Current through each
VCC or GND
±100
mA
1B2
3
46
1A2
GND
4
45
GND
1B3
5
44
1A3
1B4
6
43
1A4
VCC
7
42
VCC
1B5
8
41
1A5
1B6
9
40
1A6
GND
10
39
GND
1B7
11
38
1A7
1B8
12
37
1A8
2B1
13
36
2A1
2B2
14
35
2A2
GND
15
34
GND
2B3
16
33
2A3
2B4
17
32
2A4
VCC
18
31
VCC
2B5
19
30
2A5
2B6
20
29
2A6
GND
21
28
GND
2B7
22
27
2A7
2B8
23
26
2A8
2DIR
24
25
2OE
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. All terminals except VCC.
CAPACITANCE (TA = +25°C, F = 1.0MHz)
Parameter(1)
Symbol
Conditions
Typ.
Max.
Unit
CIN
Input Capacitance
VIN = 0V
4.5
6
pF
COUT
Output Capacitance
VOUT = 0V
6.5
8
pF
CI/O
I/O Port Capacitance
VIN = 0V
6.5
8
pF
NOTE:
1. As applicable to the device type.
PIN DESCRIPTION
Pin Names
Description
xOE
Output Enable Input (Active LOW)
xDIR
Direction Control Output
xAx
Side A Inputs or 3-State Outputs
xBx
Side B Inputs or 3-State Outputs
FUNCTION TABLE (EACH 8-BIT SECTION)(1)
Inputs
SSOP/ TSSOP/ TVSOP
TOP VIEW
xOE
xDIR
L
L
B Data to A Bus
L
H
A Data to B Bus
H
X
Isolation
NOTE:
1. H = HIGH Voltage Level
X = Don’t Care
L = LOW Voltage Level
2
Outputs
IDT74LVC162245A
3.3V CMOS 16-BIT TRANSCEIVER WITH 3-STATE OUTPUTS
INDUSTRIAL TEMPERATURE RANGE
DC ELECTRICAL CHARACTERISTICS OVER OPERATING RANGE
Following Conditions Apply Unless Otherwise Specified:
Operating Condition: TA = –40°C to +85°C
Symbol
VIH
VIL
Min.
Typ.(1)
Max.
Unit
VCC = 2.3V to 2.7V
1.7
—
—
V
VCC = 2.7V to 3.6V
2
—
—
VCC = 2.3V to 2.7V
—
—
0.7
VCC = 2.7V to 3.6V
—
—
0.8
Parameter
Input HIGH Voltage Level
Input LOW Voltage Level
Test Conditions
V
Input Leakage Current
VCC = 3.6V
VI = 0 to 5.5V
—
—
±5
µA
IOZH
High Impedance Output Current
VCC = 3.6V
VO = 0 to 5.5V
—
—
±10
µA
IOZL
(3-State Output pins)
IOFF
Input/Output Power Off Leakage
VCC = 0V, VIN or VO ≤ 5.5V
—
—
±50
µA
VIK
Clamp Diode Voltage
VCC = 2.3V, IIN = –18mA
—
–0.7
–1.2
V
VH
ICCL
ICCH
ICCZ
∆ICC
Input Hysteresis
Quiescent Power Supply Current
VCC = 3.3V
VCC = 3.6V
VIN = GND or VCC
—
—
100
—
—
10
mV
µA
3.6 ≤ VIN ≤ 5.5V(2)
One input at VCC - 0.6V, other inputs at VCC or GND
—
—
—
—
10
500
µA
IIH
IIL
Quiescent Power Supply Current
Variation
NOTES:
1. Typical values are at VCC = 3.3V, +25°C ambient.
2. This applies in the disabled state only.
OUTPUT DRIVE CHARACTERISTICS (A PORT)
Symbol
VOH
Test Conditions(1)
Parameter
Output HIGH Voltage
Unit
V
IOH = – 0.1mA
VCC – 0.2
—
VCC = 2.3V
IOH = – 4mA
1.9
—
IOH = – 6mA
1.7
—
VCC = 3V
Output LOW Voltage
Max.
VCC = 2.3V to 3.6V
VCC = 2.7V
VOL
Min.
VCC = 2.3V to 3.6V
VCC = 2.3V
VCC = 2.7V
VCC = 3V
IOH = – 4mA
2.2
—
IOH = – 8mA
2
—
IOH = – 6mA
2.4
—
IOH = – 12mA
2
—
IOL = 0.1mA
—
0.2
IOL = 4mA
—
0.4
IOL = 6mA
—
0.55
IOL = 4mA
—
0.4
IOL = 8mA
—
0.6
IOL = 6mA
—
0.55
IOL = 12mA
—
0.8
V
NOTE:
1. VIH and VIL must be within the min. or max. range shown in the DC ELECTRICAL CHARACTERISTICS OVER OPERATING RANGE table for the appropriate VCC range.
TA = – 40°C to + 85°C.
3
IDT74LVC162245A
3.3V CMOS 16-BIT TRANSCEIVER WITH 3-STATE OUTPUTS
INDUSTRIAL TEMPERATURE RANGE
OUTPUT DRIVE CHARACTERISTICS (B PORT)
Symbol
VOH
Test Conditions(1)
Parameter
Output HIGH Voltage
Min.
Max.
Unit
VCC – 0.2
—
V
IOH = – 6mA
2
—
IOH = – 12mA
1.7
—
2.2
—
VCC = 2.3V to 3.6V
IOH = – 0.1mA
VCC = 2.3V
VCC = 2.3V
VCC = 2.7V
VCC = 3V
VOL
Output LOW Voltage
2.4
—
VCC = 3V
IOH = – 24mA
2
—
VCC = 2.3V to 3.6V
IOL = 0.1mA
—
0.2
VCC = 2.3V
IOL = 6mA
—
0.4
IOL = 12mA
—
0.7
VCC = 2.7V
IOL = 12mA
—
0.4
VCC = 3V
IOL = 24mA
—
0.55
V
NOTE:
1. VIH and VIL must be within the min. or max. range shown in the DC ELECTRICAL CHARACTERISTICS OVER OPERATING RANGE table for the appropriate VCC range.
TA = – 40°C to + 85°C.
OPERATING CHARACTERISTICS, VCC = 3.3V ± 0.3V, TA = 25°C
Symbol
Parameter
CPD
Power Dissipation Capacitance per Transceiver Outputs enabled
CPD
Power Dissipation Capacitance per Transceiver Outputs disabled
Test Conditions
Typical
CL = 0pF, f = 10Mhz
Unit
pF
SWITCHING CHARACTERISTICS (A PORT)(1)
Symbol
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
tSK(o)
Parameter
Propagation Delay
xBx to xAx
Output Enable Time
xOE to xAx
Output Disable Time
xOE to xAx
Output Skew(2)
Min.
1.5
VCC = 2.7V
Max.
5.7
VCC = 3.3V ± 0.3V
Min.
Max.
1.5
4.8
Unit
ns
1.5
7.9
1.5
6.3
ns
1.5
8.3
2.2
7.4
ns
—
—
—
500
ps
NOTES:
1. See TEST CIRCUITS AND WAVEFORMS. TA = – 40°C to + 85°C.
2. Skew between any two outputs of the same package and switching in the same direction.
SWITCHING CHARACTERISTICS (B PORT)(1)
Symbol
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
tSK(o)
Parameter
Propagation Delay
xAx to xBx
Output Enable Time
xOE to xBx
Output Disable Time
xOE to xBx
Output Skew(2)
Min.
1.5
NOTES:
1. See TEST CIRCUITS AND WAVEFORMS. TA = – 40°C to + 85°C.
2. Skew between any two outputs of the same package and switching in the same direction.
4
VCC = 2.7V
Max.
4.7
VCC = 3.3V ± 0.3V
Min.
Max.
1
4
Unit
ns
1.5
6.7
1.5
5.5
ns
1.5
7.1
1.5
6.6
ns
—
—
—
500
ps
IDT74LVC162245A
3.3V CMOS 16-BIT TRANSCEIVER WITH 3-STATE OUTPUTS
INDUSTRIAL TEMPERATURE RANGE
TEST CIRCUITS AND WAVEFORMS
TEST CONDITIONS
Symbol
VCC(1)= 3.3V±0.3V VCC(1)= 2.7V
VCC(2)= 2.5V±0.2V
Unit
VLOAD
6
6
2 x Vcc
V
VIH
2.7
2.7
Vcc
V
VT
1.5
1.5
Vcc / 2
V
VLZ
300
300
150
mV
VHZ
300
300
150
mV
CL
50
50
30
pF
Pulse (1, 2)
Generator
VIN
DISABLE
tPZL
OUTPUT
SWITCH
NORMALLY CLOSED
LOW
tPZH
OUTPUT SWITCH
NORMALLY
OPEN
HIGH
500Ω
CL
DEFINITIONS:
CL = Load capacitance: includes jig and probe capacitance.
RT = Termination resistance: should be equal to ZOUT of the Pulse Generator.
Switch
VLOAD
TIMING
INPUT
Disable High
Enable High
GND
ASYNCHRONOUS
CONTROL
All Other Tests
Open
SYNCHRONOUS
CONTROL
tSK (x)
tPLH2
VOH
VT
VOL
tH
tREM
tSU
tH
LOW-HIGH-LOW
PULSE
VT
tW
HIGH-LOW-HIGH
PULSE
VT
LVC Link
tPHL2
Pulse Width
tSK(x) = tPLH2 - tPLH1 or tPHL2 - tPHL1
Output Skew - tSK(X)
tSU
VIH
VT
0V
VIH
VT
0V
VIH
VT
0V
VIH
VT
0V
Set-up, Hold, and Release Times
VOH
VT
VOL
OUTPUT 2
VOH
VOH-VHZ
0V
VT
0V
LVC Link
VIH
VT
0V
tSK (x)
tPHZ
Enable and Disable Times
DATA
INPUT
tPHL1
VLOAD/2
VOL+VLZ
VOL
NOTE:
1. Diagram shown for input Control Enable-LOW and input Control Disable-HIGH.
SWITCH POSITION
Open Drain
Disable Low
Enable Low
tPLZ
VLOAD/2
VT
LVC Link
NOTES:
1. Pulse Generator for All Pulses: Rate ≤ 10MHz; tF ≤ 2.5ns; tR ≤ 2.5ns.
2. Pulse Generator for All Pulses: Rate ≤ 10MHz; tF ≤ 2ns; tR ≤ 2ns.
Test
VIH
VT
0V
CONTROL
INPUT
Test Circuit for All Outputs
OUTPUT 1
VIH
VT
0V
ENABLE
GND
VOUT
tPLH1
tPHL
Propagation Delay
LVC Link
INPUT
tPLH
LVC Link
D.U.T.
RT
tPHL
OPPOSITE PHASE
INPUT TRANSITION
Open
500Ω
tPLH
OUTPUT
VLOAD
VCC
VIH
VT
0V
VOH
VT
VOL
SAME PHASE
INPUT TRANSITION
LVC Link
NOTES:
1. For tSK(o) OUTPUT1 and OUTPUT2 are any two outputs.
2. For tSK(b) OUTPUT1 and OUTPUT2 are in the same bank.
5
IDT74LVC162245A
3.3V CMOS 16-BIT TRANSCEIVER WITH 3-STATE OUTPUTS
INDUSTRIAL TEMPERATURE RANGE
ORDERING INFORMATION
IDT
LVC
X
XX
Bus-Hold
Temp. Range
XX
Family
XX
XXXX
Device Type Package
PV
PA
PF
Shrink Small Outline Package
Thin Shrink Small Outline Package
Thin Very Small Outline Package
245A 16-Bit Bus Transceiver
162
Double-Density 3.3Volt with Resistors, ±12mA (A Port)
±24mA (B Port)
Blank No Bus-hold
74
CORPORATE HEADQUARTERS
2975 Stender Way
Santa Clara, CA 95054
-40°C to +85°C
for SALES:
800-345-7015 or 408-727-6116
fax: 408-492-8674
www.idt.com
6
for Tech Support:
[email protected]
(408) 654-6459
Similar pages