IDT IDT74ALVC244SO 3.3v cmos octal buffer/ driver with 3-state output Datasheet

IDT74ALVC244
3.3V CMOS OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS
INDUSTRIAL TEMPERATURE RANGE
3.3V CMOS OCTAL
BUFFER/ DRIVER WITH
3-STATE OUTPUTS
IDT74ALVC244
DESCRIPTION:
FEATURES:
This octal buffer/driver is built using advanced dual metal CMOS
technology. The ALVC244 is organized as two 4-bit line drivers with
separate output-enable (OE) inputs. When OE is low, the device passes
data from the A inputs to the Y outputs. When OE is high, the outputs are in
the high-impedance state.
The ALVC244 has been designed with a ±24mA output driver. This
driver is capable of driving a moderate to heavy load while maintaining
speed performance.
• 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)
• VCC = 3.3V ± 0.3V, Normal Range
• VCC = 2.7V to 3.6V, Extended Range
• VCC = 2.5V ± 0.2V
µ W typ. static)
• CMOS power levels (0.4µ
• Rail-to-Rail output swing for increased noise margin
• Available in QSOP, SOIC, SSOP, and TSSOP packages
DRIVE FEATURES:
• High Output Drivers: ±24mA
• Suitable for Heavy Loads
APPLICATIONS:
• 3.3V high speed systems
• 3.3V and lower voltage computing systems
FUNCTIONAL BLOCK DIAGRAM
1OE
1A1
1A2
1A3
1A4
1
19
2OE
2
4
6
8
18
16
14
1Y1
2A1
1Y2
2A2
1Y3
2A3
1Y4
2A4
12
11
9
13
7
15
5
17
3
2Y1
2Y2
2Y3
2Y4
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
INDUSTRIAL TEMPERATURE RANGE
MARCH 1999
1
©1999 Integrated Device Technology, Inc.
DSC-4774/1
IDT74ALVC244
3.3V CMOS OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS
INDUSTRIAL TEMPERATURE RANGE
PIN CONFIGURATION
ABSOLUTE MAXIMUM RATINGS(1)
Symbol
Description
Max
Unit
VTERM(2)
Terminal Voltage with Respect to GND
–0.5 to +4.6
V
VTERM(3)
Terminal Voltage with Respect to GND
1
–0.5 to VCC+0.5
V
1OE
20
VCC
TSTG
Storage Temperature
–65 to +150
°C
1A1
2
19
2OE
IOUT
DC Output Current
–50 to +50
mA
IIK
Continuous Clamp Current,
VI < 0 or VI > VCC
±50
mA
2Y4
3
18
1Y1
1A2
4
17
2A4
IOK
Continuous Clamp Current, VO < 0
–50
mA
2Y3
5
16
1Y2
ICC
ISS
Continuous Current through each
VCC or GND
±100
mA
1A3
6
15
2A3
2Y2
7
14
1Y3
1A4
8
13
2A2
2Y1
9
12
1Y4
10
11
2A1
GND
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.
QSOP/ SOIC/ SSOP/ TSSOP
TOPVIEW
CAPACITANCE (TA = +25°C, F = 1.0MHz)
Parameter(1)
Symbol
Conditions
Typ.
Max.
CIN
Input Capacitance
VIN = 0V
5
7
pF
COUT
Output Capacitance
VOUT = 0V
7
9
pF
CI/O
I/O Port Capacitance
VIN = 0V
7
9
pF
NOTE:
1. As applicable to the device type.
PIN DESCRIPTION
Pin Names
Description
3-State Output Enable Inputs (Active LOW)
xOE
xAx
Data Inputs
xYx
3-State Outputs
FUNCTION TABLE (EACH BUFFER)(1)
Inputs
Outputs
xOE
xAx
xYx
L
H
H
L
L
L
H
X
Z
NOTE:
1. H = HIGH Voltage Level
L = LOW Voltage Level
X = Don’t Care
Z = High Impedance
2
Unit
IDT74ALVC244
3.3V CMOS OCTAL BUFFER/DRIVER 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
IIH
Input HIGH Current
VCC = 3.6V
VI = VCC
—
—
±5
µA
IIL
Input LOW Current
VCC = 3.6V
VI = GND
—
—
±5
µA
IOZH
High Impedance Output Current
VCC = 3.6V
VO = VCC
—
—
±10
µA
IOZL
(3-State Output pins)
VO = GND
—
—
±10
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
0.1
—
40
mV
µA
Quiescent Power Supply Current
Variation
One input at VCC - 0.6V, other inputs at VCC or GND
—
—
750
µA
NOTE:
1. Typical values are at VCC = 3.3V, +25°C ambient.
OUTPUT DRIVE CHARACTERISTICS
Symbol
VOH
VOL
Test Conditions(1)
Parameter
Output HIGH Voltage
Output LOW Voltage
Min.
Max.
Unit
VCC – 0.2
—
V
VCC = 2.3V to 3.6V
IOH = – 0.1mA
VCC = 2.3V
IOH = – 6mA
2
—
VCC = 2.3V
IOH = – 12mA
1.7
—
VCC = 2.7V
2.2
—
VCC = 3V
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.
3
IDT74ALVC244
3.3V CMOS OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS
INDUSTRIAL TEMPERATURE RANGE
OPERATING CHARACTERISTICS, TA = 25°C
Symbol
Parameter
CPD
Power Dissipation Capacitance Outputs enabled
CPD
Power Dissipation Capacitance Outputs disabled
VCC = 2.5V ± 0.2V
VCC = 3.3V ± 0.3V
Test Conditions
Typical
Typical
Unit
CL = 0pF, f = 10Mhz
22
28
pF
1.5
4
SWITCHING CHARACTERISTICS(1)
VCC = 2.5V ± 0.2V
Symbol
Parameter
tPLH
Propagation Delay
tPHL
xAx to xYx
tPZH
Output Enable Time
tPZL
xOE to xYx
tPHZ
Output Disable Time
tPLZ
xOE to xYx
tSK(O)
Output Skew(2)
VCC = 3.3V ± 0.3V
Max.
Min.
Max.
Min.
Max.
Unit
1
3.1
—
3.1
1.1
2.8
ns
1.5
5.4
—
5.3
1.5
4.5
ns
1
4.1
—
4.4
1.7
4.2
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.
4
VCC = 2.7V
Min.
IDT74ALVC244
3.3V CMOS OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS
INDUSTRIAL TEMPERATURE RANGE
TEST CIRCUITS AND WAVEFORMS
TEST CONDITIONS
VCC(1)= 3.3V±0.3V VCC(1)= 2.7V
Symbol
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
tPLH
tPHL
tPLH
tPHL
OUTPUT
VIH
VT
0V
OPPOSITE PHASE
INPUT TRANSITION
ALVC Link
Propagation Delay
VLOAD
VCC
Open
VIN
VOUT
tPZL
D.U.T.
OUTPUT
SWITCH
NORMALLY CLOSED
LOW
tPZH
OUTPUT SWITCH
NORMALLY
OPEN
HIGH
500Ω
RT
DISABLE
ENABLE
CONTROL
INPUT
GND
500Ω
Pulse(1, 2)
Generator
VIH
VT
0V
VOH
VT
VOL
SAME PHASE
INPUT TRANSITION
CL
ALVC Link
Test Circuit for All Outputs
tPLZ
VIH
VT
0V
VLOAD/2
VT
VLOAD/2
VLZ
VOL
tPHZ
VOH
VHZ
0V
VT
0V
ALVC Link
DEFINITIONS:
CL = Load capacitance: includes jig and probe capacitance.
RT = Termination resistance: should be equal to ZOUT of the Pulse Generator.
Enable and Disable Times
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.
SWITCH POSITION
DATA
INPUT
Test
Switch
Open Drain
Disable Low
Enable Low
VLOAD
Disable High
Enable High
GND
All Other Tests
Open
tSU
VIH
VT
0V
VIH
VT
0V
VIH
VT
0V
VIH
VT
0V
tH
TIMING
INPUT
tREM
ASYNCHRONOUS
CONTROL
SYNCHRONOUS
CONTROL
tSU
tH
ALVC Link
INPUT
OUTPUT 1
tPLH1
VIH
VT
0V
tPHL1
tSK (x)
Set-up, Hold, and Release Times
VOH
VT
VOL
tSK (x)
LOW-HIGH-LOW
PULSE
tW
VOH
VT
VOL
OUTPUT 2
tPLH2
HIGH-LOW-HIGH
PULSE
VT
ALVC Link
tPHL2
Pulse Width
tSK(x) = tPLH2 - tPLH1 or tPHL2 - tPHL1
Output Skew - tSK(X)
VT
ALVC 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
IDT74ALVC244
3.3V CMOS OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS
INDUSTRIAL TEMPERATURE RANGE
ORDERING INFORMATION
ALVC
X
IDT
XX
Bus-Hold
Temp. Range
XX
XXX
Device Type Package
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244
Octal Buffer/Driver with 3-State Outputs, ±24mA
Blank
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74
–40°C to +85°C
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6
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