idtqs3vh245 Integrated Device Technology, idtqs3vh245 Datasheet - Page 7

• Manufacturer Part Number: idtqs3vh245
• Description: Quickswitch Products 2.5v / 3.3v 8-bit High Bandwidth Bus Switch
• Manufacturer: Integrated Device Technology

TEST CIRCUITS AND WAVEFORMS
TEST CONDITIONS
DEFINITIONS:
C
R
NOTES:
1. Pulse Generator for All Pulses: Rate ≤ 10MHz; t
2. Pulse Generator for All Pulses: Rate ≤ 10MHz; t
SWITCH POSITION
Pulse
Generator
IDTQS3VH245
2.5V / 3.3V 8-BIT HIGH BANDWIDTH BUS SWITCH
L
T
= Load capacitance: includes jig and probe capacitance.
= Termination resistance: should be equal to Z
Symbol
V
(1, 2)
V
V
LOAD
V
V
C
LZ
HZ
IH
T
L
t
t
PHZ/
PLZ
Test
t
V
PD
/
t
t
PZH
IN
PZL
V
CC
Test Circuits for All Outputs
(1)
= 3.3V ± 0.3V
300
300
R
1.5
50
6
3
T
D.U.T.
V
CC
V
OUT
V
OUT
CC
F
F
≤ 2ns; t
(2)
≤ 2.5ns; t
of the Pulse Generator.
C
= 2.5V ± 0.2V
2 x Vcc
V
L
Vcc
150
150
CC
30
Switch
/2
V
R
GND
Open
LOAD
R
≤ 2ns.
500Ω
500Ω
≤ 2.5ns.
GND
Unit
V
Open
mV
mV
pF
V
V
V
LOAD
7
NOTE:
1. Diagram shown for input Control Enable-LOW and input Control Disable-HIGH.
INPUT TRANSITION
INPUT TRANSITION
OPPOSITE PHASE
NORMALLY
NORMALLY
CONTROL
OUTPUT
OUTPUT
SAME PHASE
INPUT
HIGH
LOW
OUTPUT
CLOSED
SWITCH
SWITCH
Enable and Disable Times
ENABLE
OPEN
Propagation Delay
t
t
PZL
PZH
t
t
INDUSTRIAL TEMPERATURE RANGE
PLH
PLH
V
V
0V
V
T
T
LOAD/2
t
PHZ
DISABLE
t
t
PHL
PHL
t
PLZ
V
V
0V
V
V
V
V
V
0V
V
V
0V
V
V
V
V
V
0V
IH
T
LOAD/2
OL +
OL
OH
OH -
IH
T
OH
T
OL
IH
T
V
V
HZ
LZ