DAN-130 Datasheet, PDF (7/11 Pages) Exar Corporation – EXAR’S DUARTS COMPARED WITH TI’S TL16C752B

DATA COMMUNICATIONS APPLICATION NOTE
DAN130
1.3.3.1 Summary of Differences Between the XR16L2751 and TL16C752B
Some differences between the XR16L2751 and TL16C752B are summarized in the table below.
TABLE 6: DIFFERENCES BETWEEN EXAR’S XR16L2751 WITH TI’S TL16C752B
COMPARISON
Data Bus Standard
Device ID and Revision
Power Supply Operation
3.3 V Operation with 5 V Tolerance
Max Operating Current
Max Frequency on XTAL1
Data Sampling Rates
BRG Prescaler
Max Data Rate
Package
Operating Temperature Ranges
48-QFP package thickness
TX/RX FIFO Size
TX/RX Trigger Tables
TX/RX FIFO Interrupt Trigger Levels
TX/RX FIFO Counters
Single FIFO Ready Status Register
Hardware Flow Control
Software Flow Control
Auto Hysteresis Level
Infrared Mode
Sleep Mode
Powersave Mode
Diagnostic Modes
RS485 Mode
LSR bits 4-2 Interrupt Generation
XR16L2751
TL16C752B
Intel and Motorola
Intel
Device ID and Revision
2.5, 3.3 and 5 V
3.3 V Operation with 5 V Tolerance
N/A
3.3 V only
N/A
2.7 mA @ 2.5 V
2.7 mA @ 3.3 V
4 mA @ 5 V
20 mA @ 3.3 V
24 MHz @ 2.5 V
33 MHz @ 3.3 V
50 MHz @ 5 V
48 MHz @ 3.3 V
16X or 8X
1 or 4
3 Mbps @ 2.5 V at 8X
4 Mbps @ 3.3 V at 8X
6.25 Mbps @ 5 V at 8X
48-TQFP, 44-PLCC
Commercial and Industrial
16X
1 or 4
3 Mbps @ 3.3 V
48-LQFP
Commercial and Industrial
1.2 mm
64
4 Trigger Tables
1.6 mm
64
2 Trigger Tables
Programmable (Table D)
4 Selectable (Tables A-C)
TX/RX FIFO Counters
N/A
16 Selectable (TLR)
4 Selectable (TLR = 0)
N/A
FIFO Ready Status Register
Auto RTS/CTS Flow Control
Auto Xon/Xoff Flow Control
16 Selectable Levels
±N from the trigger level
IrDA encoder/decoder (ver 1.0)
Sleep Mode with Auto Wake-up
Auto RTS/CTS Flow Control
Auto Xon/Xoff Flow Control
16 Selectable Levels
Select Upper and Lower Hysteresis
Levels irrespective of trigger level
N/A
Sleep Mode with Auto Wake-up
Powersave Mode
Local loopback
Auto RS485 Mode
N/A
Local Loopback
N/A
Immediate or Delayed
Delayed
7