XR82C684CJ-F Exar Corporation, XR82C684CJ-F Datasheet - Page 55

• Manufacturer Part Number: XR82C684CJ-F
• Description: IC UART CMOS QUAD 68PLCC
• Manufacturer: Exar Corporation
• Type: CMOS Quad Channel UARTr

Specifications of XR82C684CJ-F

• Number Of Channels: 4, QUART
• Package / Case: 68-LCC (J-Lead)
• Features: *
• Fifo's: 3 Byte
• Voltage - Supply: 5V
• Mounting Type: Surface Mount
• Data Rate: 1 Mbps
• Supply Voltage (max): 5.25 V
• Supply Voltage (min): 4.75 V
• Supply Current: 15 mA
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Mounting Style: SMD/SMT
• Operating Supply Voltage: 5 V
• Propagation Delay Time Ns: 400 ns
• No. Of Channels: 4
• Supply Voltage Range: 4.75V To 5.25V
• Operating Temperature Range: 0°C To +70°C
• Digital Ic Case Style: PLCC
• No. Of Pins: 68
• Filter Terminals: SMD
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 1016-1326-5

XR82C684
Figure 28A. Block Diagram of the Portion of the QUART Timing Control Block Which Services
Channels C and D
Figure 28
Figure 28A
Please note that each “half” of the Timing Control
Block consists of a 16-bit Counter/Timer, a Baud Rate
Generator, a set of four external clock inputs and four 32:1
MUX’s. Each “half” of the Timing Control Block shares the
Table 15
output of the Oscillator Circuit.
Table 15
D.1 Oscillator Circuit:
Figure 29