IDT74LVCH245AQ IDT, Integrated Device Technology Inc, IDT74LVCH245AQ Datasheet - Page 5

• Manufacturer Part Number: IDT74LVCH245AQ
• Manufacturer: IDT, Integrated Device Technology Inc

Specifications of IDT74LVCH245AQ

• Logic Family: LVC
• Operating Supply Voltage (typ): 3.3V
• Propagation Delay Time: 9.5ns
• Number Of Elements: 1
• Number Of Channels: 8
• Input Logic Level: LVTTL
• Output Logic Level: LVTTL
• Output Type: 3-State
• Package Type: SSOP
• Polarity: Non-Inverting
• Logical Function: Bus Transceiver
• Operating Supply Voltage (min): 2.7V
• Operating Supply Voltage (max): 3.6V
• Technology: CMOS
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 20
• Lead Free Status / Rohs Status: Not Compliant

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
IDT74LVCH245A
3.3V CMOS OCTAL BUS TRANSCEIVER 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