IDT74LVC244AQG IDT, Integrated Device Technology Inc, IDT74LVC244AQG Datasheet - Page 5
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IDT74LVC244AQG
Manufacturer Part Number
IDT74LVC244AQG
Description
IC BUFF/DVR TRI-ST DUAL 20QSOP
Manufacturer
IDT, Integrated Device Technology Inc
Series
74LVCr
Datasheet
1.IDT74LVC244AQG.pdf
(6 pages)
Specifications of IDT74LVC244AQG
Logic Type
Buffer/Line Driver, Non-Inverting
Number Of Elements
2
Number Of Bits Per Element
4
Current - Output High, Low
24mA, 24mA
Voltage - Supply
2.7 V ~ 3.6 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
20-QSOP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
74LVC244AQG
TEST CIRCUITS AND WAVEFORMS
TEST CONDITIONS
NOTES:
1. Pulse Generator for All Pulses: Rate ≤ 10MHz; t
2. Pulse Generator for All Pulses: Rate ≤ 10MHz; t
SWITCH POSITION
NOTES:
1.
2.
DEFINITIONS:
C
R
Generator
IDT74LVC244A
3.3V CMOS OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS
L
T
Symbol
V
= Termination resistance: should be equal to Z
= Load capacitance: includes jig and probe capacitance.
Pulse
V
For t
V
For t
LOAD
V
V
C
HZ
LZ
OUTPUT 2
IH
OUTPUT 1
T
L
SK
SK
(b) OUTPUT1 and OUTPUT2 are in the same bank.
INPUT
(o) OUTPUT1 and OUTPUT2 are any two outputs.
(1, 2)
All Other Tests
Disable High
Disable Low
Enable High
Enable Low
Open Drain
V
CC
Test
(1)
V
= 3.3V±0.3V V
300
300
IN
2.7
1.5
50
6
t
Test Circuit for All Outputs
SK
(x)
Output Skew - t
R
= t
T
t
D.U.T.
PLH1
V
PLH2
CC
t
CC
PLH2
(1)
300
300
2.7
1.5
50
-
t
6
SK
= 2.7V
t
PLH1
V
(x)
OUT
OUT
SK
F
or
F
t
(
≤ 2ns; t
PHL1
≤ 2.5ns; t
X
V
of the Pulse Generator.
t
C
)
PHL2
CC
t
PHL2
L
(2)
2 x Vcc
Switch
Vcc / 2
= 2.5V±0.2V
t
R
V
GND
Open
SK
-
Vcc
150
150
LOAD
30
t
R
≤ 2ns.
PHL1
500Ω
500Ω
≤ 2.5ns.
(x)
LVC Link
LVC Link
V
V
0V
V
V
V
V
V
V
IH
T
OH
T
OL
OH
T
OL
V
Open
GND
Unit
mV
mV
LOAD
pF
V
V
V
5
NOTE:
1. Diagram shown for input Control Enable-LOW and input Control Disable-HIGH.
ASYNCHRONOUS
SYNCHRONOUS
INPUT TRANSITION
INPUT TRANSITION
OPPOSITE PHASE
NORMALLY
NORMALLY
HIGH-LOW-HIGH
CONTROL
CONTROL
LOW-HIGH-LOW
CONTROL
SAME PHASE
OUTPUT
OUTPUT
TIMING
INPUT
INPUT
DATA
INPUT
HIGH
OUTPUT
LOW
Set-up, Hold, and Release Times
PULSE
PULSE
Enable and Disable Times
SWITCH
SWITCH
ENABLE
Propagation Delay
V
GND
LOAD
t
t
Pulse Width
PZL
PZH
t
t
PLH
INDUSTRIAL TEMPERATURE RANGE
PLH
t
t
SU
SU
V
0V
V
V
T
T
LOAD/2
t
W
t
REM
t
H
t
PHZ
t
t
DISABLE
PHL
PHL
t
H
t
PLZ
LVC Link
LVC Link
V
LVC Link
V
T
T
LVC Link
V
V
0V
V
V
V
V
V
0V
V
V
0V
V
V
V
V
V
0V
OH
IH
T
T
OL
IH
T
IH
T
LOAD/2
OL+
OL
OH
OH-
V
V
0V
V
V
0V
V
V
0V
V
V
0V
IH
T
IH
T
IH
T
IH
T
V
V
HZ
LZ