HD1-6402B-9 Intersil Corporation, HD1-6402B-9 Datasheet - Page 7

• Manufacturer Part Number: HD1-6402B-9
• Description: CMOS Universal Asynchronous Receiver Transmitter (UART)
• Manufacturer: Intersil Corporation

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Switching Waveforms
A.C. Testing Input, Output Waveform
NOTE: A.C. Testing: All input signals must switch between V
Test Circuit
NOTE: Includes stray and jig capacitance, C
TBR1 - TBR8
TBRL
FIGURE 6. DATA INPUT CYCLE
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Intersil Corporation’s quality certifications can be viewed at www.intersil.com/design/quality
t
VALID DATA
(2)
PW
t
SET
(4)
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V
V
IH
IL
+ 20% V
- 50% V
INPUT
t
HOLD
(5)
IH
IL
L
= 50pF.
FIGURE 7. CONTROL REGISTER LOAD
CLS1, CLS2, SBS, PI, EPE
CRL
1.5V
OUT
(SEE NOTE)
CYCLE
IL
HD-6402
FIGURE 10.
- 50% V
FIGURE 9.
t
(2)
PW
VALID DATA
t
C
SET
(4)
7
L
IL
and V
t
HOLD
(5)
IH
+ 20% V
1.5V
IH
. Input rise and fall times are driven at 1ns/V.
FIGURE 8. STATUS FLAG OUTPUT
RBR1 - RBR8
STATUS OR
OUTPUT
V
V
OH
OL
RRD
SFD
ENABLE TIME OR DATA OUT-
PUT ENABLE TIME
t
(6)
EN