IDT74FCT16952AT Integrated Device Technology, IDT74FCT16952AT Datasheet - Page 6

• Manufacturer Part Number: IDT74FCT16952AT
• Description: Fast Cmos 16-bit Registered Transceiver
• Manufacturer: Integrated Device Technology

TEST CIRCUITS AND WAVEFORMS
IDT74FCT16925AT/CT/ET
FAST CMOS 16-BIT REGISTERED TRANSCEIVER
ASYNCHRONOUS CONTROL
SYNCHRONOUS CONTROL
Generator
CLOCK ENABLE
INPUT TRANSITION
INPUT TRANSITION
Pulse
OPPOSITE P HASE
SAM E PHASE
PRES ET
PRES ET
TIM ING
CLEA R
CLEA R
INPUT
INPUT
Set-up, Hold, and Release Times
DATA
V
OUTPUT
ETC.
ETC.
Test Circuits for All Outputs
IN
Propagation Delay
R
T
D.U.T.
V
t
PLH
t
CC
PLH
t
t
SU
SU
V
OUT
t
R EM
t
H
t
t
C
PH L
PH L
50pF
L
t
H
500
500


V
V
1.5V
1.5V
1.5V
3V
0V
3V
0V
O H
O L
7.0V
3V
1.5V
3V
1.5V
3V
1.5V
0V
0V
3V
1.5V
0V
0V
6
NOTES:
1. Diagram shown for input Control Enable-LOW and input Control Disable-HIGH.
2. Pulse Generator for All Pulses: Rate  1.0MHz; t
DEFINITIONS:
C
R
SWITCH POSITION
L
T
NORM ALLY
NORM ALLY
CONTROL
= Load capacitance: includes jig and probe capacitance.
= Termination resistance: should be equal to Z
HIGH-LOW -HIGH
LOW -HIGH-LOW
OUTPUT
OUTPUT
INPUT
HIGH
LOW
All Other Tests
Disable Low
Enable Low
Open Drain
PULSE
PULSE
Test
SW ITCH
CLOSED
SW ITCH
OPEN
ENABLE
t
t
PZH
PZL
Enable and Disable Times
Pulse Width
1.5V
1.5V
INDUSTRIAL TEMPERATURE RANGE
3.5V
0V
t
PHZ
t
W
DISABLE
OUT
F
t
PLZ
 2.5ns; t
of the Pulse Generator.
Switch
Closed
0.3V
0.3V
Open
R
 2.5ns.
V
V
3V
1.5V
0V
3.5V
0V
OL
OH
1.5V
1.5V