XR82C684CJ/44-F Exar Corporation, XR82C684CJ/44-F Datasheet - Page 98

• Manufacturer Part Number: XR82C684CJ/44-F
• Description: IC UART CMOS QUAD 44PLCC
• Manufacturer: Exar Corporation
• Type: CMOS Quad Channel UARTr

Specifications of XR82C684CJ/44-F

• Number Of Channels: 4, QUART
• Package / Case: 44-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: 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: 1016-1325-5

K. Timing Diagrams
Note: AC testing inputs are driven at 0.4V for a logic “0” and 2.4V for a logic “1” except for -40 to 85
C and -55 to 125
C,
logic “1” shall be 2.6V. Timing measurements are made at 0.8V for a logic “0” and 2.0V for a logic “1”.
XR82C684
Input Port
Change
Bit 7
Bit 7
Bit 7
Bit 7
Table 43. Counter/Timer Upper Byte Register, CTUR (applies to CTUR1 and CTUR2)
Table 44. Counter/Timer Lower Byte Register, CTLR (applies to CTLR1 and CTLR2)
Delta Break
Bit 6
Bit 6
Bit 6
Bit 6
D
Table 45. Interrupt Vector Register: IVR (applies to IVR1 and IVR2)
Figure 55. Input and Output Levels for Timing Measurements
FFULLD
RXRDY/
Bit 5
Bit 5
Bit 5
Bit 5
Table 42. Interrupt Mask Register 2, IMR2
TXRDYD
Bit 4
Bit 4
Bit 4
Bit 4
Counter #2
Ready
Bit 3
Bit 3
Bit 3
Bit 3
Delta Break
Bit 2
Bit 2
Bit 2
Bit 2
C
FFULLC
RXRDY/
Bit 1
Bit 1
Bit 1
Bit 1
TXRDYC
Bit 0
Bit 0
Bit 0
Bit 0