XR88C681CP/40 Exar Corporation, XR88C681CP/40 Datasheet - Page 93

• Manufacturer Part Number: XR88C681CP/40
• Description: Dual Channel UART
• Manufacturer: Exar Corporation

Specifications of XR88C681CP/40

• Features: *
• Number Of Channels: 2, DUART
• Fifo's: 1 Byte, 3 Byte
• Voltage - Supply: 5V
• With Parallel Port: Yes
• With Cmos: Yes
• Mounting Type: Through Hole
• Package / Case: 40-DIP (0.600", 15.24mm)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Rev. 2.11
D0 - D7
-IACK
-INTR
-RD
IEI
IEO
t
DIO
t
IAS
Figure 53. XR88C681 Z Mode Interrupt Cycle Timing
FLOAT
t
t
DIO
EOD
t
EIS
t
VALID
DD
NOT
t
RW
93
VECTOR
t
DF
t
IAH
FLOAT
XR88C681
RESET IUS
COMMAND