IDT49C465 Integrated Device Technology, Inc., IDT49C465 Datasheet - Page 39

• Manufacturer Part Number: IDT49C465
• Description: Error Detection And Correction
• Manufacturer: Integrated Device Technology, Inc.

IDT49C465/A
32-BIT FLOW-THRU ERROR DETECTION AND CORRECTION UNIT
TEST CIRCUITS AND WAVEFORMS
TEST CIRCUITS FOR ALL OUTPUTS
SET-UP, HOLD AND RELEASE TIMES
PROPAGATION DELAY
ASYNCHRONOUS CONTROL
SYNCHRONOUS CONTROL
Generator
CLOCK ENABLE
INPUT TRANSITION
INPUT TRANSITION
Pulse
OPPOSITE PHASE
SAME PHASE
PRESET
PRESET
TIMING
CLEAR
CLEAR
INPUT
DATA
INPUT
OUTPUT
V
ETC.
ETC.
IN
R
T
D.U.T.
V
t
PLH
t
CC
PLH
t
t
SU
SU
V
OUT
t
REM
t
H
t
t
C
50pF
PHL
PHL
L
t
H
500
500
2552 drw 30
2552 drw 31
2552 drw 33
V
V
1.5V
1.5V
1.5V
3V
0V
3V
0V
OH
OL
7.0V
3V
1.5V
3V
1.5V
3V
1.5V
0V
0V
3V
1.5V
0V
0V
11.7
SWITCH POSITION
PULSE WIDTH
ENABLE AND DISABLE TIMES
NOTES:
1. Diagram shown for input Control Enable-LOW and input Control Disable-
2. Pulse Generator for All Pulses: Rate
DEFINITIONS:
C
R
L
T
NORMALLY
NORMALLY
= Load capacitance: includes jig and probe capacitance.
CONTROL
HIGH
= Termination resistance: should be equal to Z
HIGH-LOW-HIGH
LOW-HIGH-LOW
OUTPUT
OUTPUT
Generator.
INPUT
HIGH
LOW
All Other Tests
Open Drain
Disable Low
Enable Low
MILITARY AND COMMERCIAL TEMPERATURE RANGES
PULSE
PULSE
Test
SWITCH
CLOSED
SWITCH
OPEN
ENABLE
t
t
PZH
PZL
1.5V
1.5V
3.5V
0V
t
PHZ
1.0MHz; t
t
W
DISABLE
t
PLZ
OUT
F
Closed
Switch
0.3V
0.3V
Open
of the Pulse
2.5ns; t
V
V
3V
1.5V
0V
3.5V
0V
R
OL
OH
2552 drw 32
2552 drw 34
1.5V
1.5V
2552 tbl 35
2.5ns
39