XR68C681J-F Exar Corporation, XR68C681J-F Datasheet - Page 52

• Manufacturer Part Number: XR68C681J-F
• Description: IC UART CMOS DUAL 44PLCC
• Manufacturer: Exar Corporation
• Type: CMOS Dual Channel UARTr

Specifications of XR68C681J-F

• Number Of Channels: 2, DUART
• Package / Case: 44-LCC (J-Lead)
• Features: *
• Fifo's: 1 Byte, 3 Byte
• Voltage - Supply: 5V
• Mounting Type: Surface Mount
• Data Rate: 1 Mbps
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 4.5 V
• Supply Current: 15 mA
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Operating Supply Voltage: 5 V
• Propagation Delay Time Ns: 400 ns
• No. Of Channels: 2
• Supply Voltage Range: 4.75V To 5.25V
• Operating Temperature Range: -40°C To +85°C
• Digital Ic Case Style: PLCC
• No. Of Pins: 44
• 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: 1016-1324-5

MR2n[3:0] - Stop Bit Length
SRn[7] Received Break
XR68C681
Received
Break
Bit 7
Framing
Error
Bit 6
Figure 24
Table 19. The Bit Format of the Status Register’s SRA and SRB
Parity Error
Bit 5
Figure 26
Overrun
Error
Bit 4
G.4 Status Register, SRn
SRn[6] Framing Error
TXEMT
Bit 3
Table 2
TXRDY
Bit 2
FFULL
Bit 1
RXRDY
Bit 0