IS82C50A-5Z Intersil, IS82C50A-5Z Datasheet - Page 20

• Manufacturer Part Number: IS82C50A-5Z
• Description: IC PERIPH UART/BRG 10MHZ 44-PLCC
• Manufacturer: Intersil

Specifications of IS82C50A-5Z

• Features: Single Chip UART/BRG
• Number Of Channels: 1, UART
• Protocol: RS232C
• Voltage - Supply: 4.5 V ~ 5.5 V
• With Parallel Port: Yes
• With False Start Bit Detection: Yes
• With Modem Control: Yes
• With Cmos: Yes
• Mounting Type: Surface Mount
• Package / Case: 44-LCC (J-Lead)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

AC Test Circuit
NOTE: Includes stay and jig capacitance.
Timing Waveforms
-2.5mA
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.
IOH
DEVICE UNDER TEST
XTAL1
TEST CONDITION DEFINITION TABLE
FIGURE 3. EXTERNAL CLOCK INPUT
OUTPUT FROM
+2.5mA
IOL
tXH
(27)
1.7V
20
V1
tXL
(28)
BAUD OUT
BAUD OUT
BAUD OUT
BAUD OUT
(÷N, N > 3)
XTAL1
V1
(÷1)
(÷2)
(÷3)
(31) tBHD
(31) tBHD
C1 (NOTE)
R1
tBLD
tBLD
tBLD
(30)
(30)
(30)
520Ω
R1
(30) tBLD
2.0V
TEST
POINT
0.8V
FIGURE 5. BAUDOUT TIMING
100pF
C1
(29)
N
82C50A
tBHD
tBHD
(31)
(31)
tHW
(33)
tLW = 2XTAL1 CYCLES
tHW (33)
AC Testing Input, Output Waveform
V
AC Testing: All input signals must switch between V
V
IH
IL
tLW (32)
tHW
(33)
+ 0.4V
- 0.4V
(32)
tLW (32)
INPUT
tLW
(32)
tHW = (N - 2) XTAL1 CYCLES
V
IH
1.5V
+0.4V. Input rise and fall times are driven at 1ns/V.
FIGURE 4. AC TEST POINTS
(33)
2.0V
0.8V
2.0V
0.8V
IL
1.5V
OUTPUT
August 24, 2006
-0.4V and
FN2958.5
V
V
OH
OL