IDT74FCT162501T Integrated Device Technology, IDT74FCT162501T Datasheet - Page 6

• Manufacturer Part Number: IDT74FCT162501T
• Description: 18-bit Registered Transciever
• Manufacturer: Integrated Device Technology

TEST CIRCUITS AND WAVEFORMS
IDT74FCT162501AT/CT
FAST CMOS 18-BIT REGISTERED TRANSCEIVER
ASYNCHRONOUS CONTROL
SYNCHRONOUS CONTROL
Generator
CLOCK ENABLE
INPUT TRANSITION
INPUT TRANSITION
Pulse
OPPOSITE PHASE
SAME PHASE
PRESET
PRESET
TIMING
CLEAR
CLEAR
INPUT
INPUT
DATA
OUTPUT
V
ETC.
ETC.
Set-up, Hold, and Release Times
IN
Test Circuits For all Outputs
R
Propagation Delay
T
D.U.T.
V
t
PLH
t
CC
PLH
t
t
SU
SU
V
OUT
t
REM
t
H
t
t
C
PHL
PHL
50pF
L
t
H
500Ω
500Ω
V
V
3V
1.5V
0V
1.5V
3V
1.5V
0V
OH
OL
7.0V
3V
1.5V
3V
1.5V
3V
1.5V
0V
0V
3V
1.5V
0V
0V
6
NORMALLY
NORMALLY
DEFINITIONS:
C
R
NOTES:
1. Diagram shown for input Control Enable-LOW and input Control Disable-HIGH.
2. Pulse Generator for All Pulses: Rate ≤ 1.0MHz; t
SWITCH POSITION
CONTROL
HIGH-LOW-HIGH
L
T
LOW-HIGH-LOW
OUTPUT
OUTPUT
= Load capacitance: includes jig and probe capacitance.
= Termination resistance: should be equal to Z
INPUT
HIGH
LOW
All Other Tests
Disable Low
PULSE
PULSE
Enable Low
Open Drain
SWITCH
CLOSED
SWITCH
OPEN
Test
ENABLE
t
t
PZH
PZL
Enable and Disable Times
1.5V
1.5V
3.5V
0V
Pulse Width
INDUSTRIAL TEMPERATURE RANGE
t
PHZ
t
W
DISABLE
t
PLZ
OUT
F
≤ 2.5ns; t
of the Pulse Generator.
0.3V
0.3V
Switch
Closed
Open
R
V
3V
1.5V
0V
3.5V
V
0V
≤ 2.5ns.
OL
OH
1.5V
1.5V