CS82C50A-5Z View Datasheet(PDF) - Renesas Electronics
Part Name
Description
Manufacturer
CS82C50A-5Z Datasheet PDF : 25 Pages
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82C50A
AC Test Circuit
OUTPUT FROM
DEVICE UNDER TEST
V1
R1
TEST
POINT
C1 (NOTE)
NOTE: Includes stay and jig capacitance.
TEST CONDITION DEFINITION TABLE
IOH
IOL
V1
R1
C1
-2.5mA
+2.5mA
1.7V
520
100pF
Timing Waveforms
tXH
(27)
XTAL1
tXL
(28)
2.0V
0.8V
FIGURE 3. EXTERNAL CLOCK INPUT
AC Testing Input, Output Waveform
INPUT
VIH + 0.4V
1.5V
VIL - 0.4V
OUTPUT
1.5V
VOH
VOL
AC Testing: All input signals must switch between VIL -0.4V and
VIH +0.4V. Input rise and fall times are driven at 1ns/V.
2.0V
0.8V
2.0V
0.8V
FIGURE 4. AC TEST POINTS
XTAL1
(31) tBHD
(30) tBLD
BAUD OUT
(1)
(31) tBHD
(30)
tBLD
BAUD OUT
(2)
(30)
tBLD
BAUD OUT
(3)
(30)
tBLD
BAUD OUT
(N, N > 3)
N
(29)
tHW (33)
(33)
tHW
(31)
tBHD
(31)
tBHD
tLW (32)
tLW (32)
tHW
(33)
tLW
(32)
tHW = (N - 2) XTAL1 CYCLES
(33)
(32)
tLW = 2XTAL1 CYCLES
NOTE: tBLD (1) is the only spec measure from XTL1 falling edge. All other tBLD’s and tBHD’s are measured from XTAL1 rising edge.
FIGURE 5. BAUDOUT TIMING
FN2958 Rev.6.00
August 19, 2015
Page 20 of 25
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