TL16C750 Datasheet, PDF (12/35 Pages) Texas Instruments – ASYNCHRONOUS COMMUNICATIONS ELEMENT WITH 64-BYTE FIFOs AND AUTOFLOW CONTROL

TL16C750
ASYNCHRONOUS COMMUNICATIONS ELEMENT
WITH 64-BYTE FIFOs AND AUTOFLOW CONTROL
SLLS191C – JANUARY 1995 – REVISED DECEMBER 1997
modem control switching characteristics over recommended ranges of supply voltage and
operating free-air temperature, C_L = 75 pF
PARAMETER
ALT. SYMBOL FIGURE MIN MAX UNIT
td22
Delay time, WR MCR to output
td23
Delay time, modem interrupt to set interrupt
td24
Delay time, RD MSR to reset interrupt
td25
Delay time, CTS low to SOUT↓
tMDO
15
tSIM
15
tRIM
15
16
60 ns
35 ns
45 ns
24
baudout
cycles
td26
Delay time, receiver threshold byte to RTS↑
17
2
baudout
cycles
td27
Delay time, read of last byte in receive FIFO to RTS↓
17
3
baudout
cycles
PARAMETER MEASUREMENT INFORMATION
tw1
XIN
N
tw2
BAUDOUT
(1/1)
BAUDOUT
(1/2)
BAUDOUT
(1/3)
td1
td2
td1
td2
tw3
tw4
BAUDOUT
(1/N)
(N > 3)
2 XIN Cycles
(N – 2) XIN Cycles
Figure 4. Baud Generator Timing Waveforms
12
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