TL16PIR552 Datasheet, PDF (11/52 Pages) Texas Instruments – DUAL UART WITH DUAL IrDA AND 1284 PARALLEL PORT

TL16PIR552
DUAL UART WITH DUAL IrDA AND
1284 PARALLEL PORT
SLLS222A – DECEMBER 1995 – REVISED AUGUST 1996
transmitter switching characteristics over recommended ranges of supply voltage and operating
free-air temperature
PARAMETER
ALT. SYMBOL FIGURE TEST CONDITIONS MIN MAX UNIT
td9 Delay time, INTRPTx↓ to SOUTx↓
tIRS
12
baud-
8
24 out
cycles
td10 Delay time, start to INTRPTx↑
tSTI
12
baud-
8
10 out
cycles
td11 Delay time, IOW↑ to INTRPTx↓
td12 Delay time, IOW↓ to INTRPTx↑
tHR
12
CL = 75 pF
50 ns
tSI
12
baud-
16
34 out
cycles
td13 Delay time, IOR IIR↓ to INTRPTx↓
td14 Delay time, IOW↑ to TXRDYx↑
tIR
tWXI
12
13,14
td15 Delay time, SOUTx↓ to TXRDYx↓
tSXA
13, 14
† _{THRE = transmitter holding-register empty; IIR = interrupt-identification register.}
CL = 75 pF
CL = 75 pF
CL = 75 pF
35 ns
30 ns
baud-
9 out
cycles
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
td16 Delay time, CTSx, DSRx, DCDx↓ to INTRPTx↑ or RI↑ to INTRPTx↑
td17 Delay time, IOR↑ to INTRPTx↓
tRIM
15
15
35 ns
24
baudout
cycles
td18 Delay time, CTSx↓ to SOUTx↓
16
2
baudout
cycles
td19 Delay time, midpoint of stop bit to RTSx↑
17
2
baudout
cycles
td20 Delay time, IOR↓ to RTSx↓
17
2
baudout
cycles
td21 Delay time, first data bit of the sixteenth character to RTSx↑
18
2
baudout
cycles
td22 Delay time, IOR↓ to RTSx↓
td23 Delay time, IOW↑ to RTSx, DTRx↑↓
tMDO
18
tSIM
15
40 ns
35 ns
IR signal switching characteristics over recommended ranges of supply voltage and operating
free-air temperature, C_L = 75 pF
PARAMETER
ALT. SYMBOL FIGURE MIN MAX UNIT
td24 Delay time, internal SOUTx↓ to SOUTx↑ (IR mode)
baud-
19
8 out
cycles
td25 Delay time, incoming IRSINx↑ to internal SINx↓
19
15 ns
parallel-port timing requirements over recommended ranges of supply voltage and operating
free-air temperature
PARAMETER
td26
Delay time, FAULT↓ to PINTR (ECP)↓
td27
Delay time, ACK↓ to PINTR (EPP)↓
tw4
Pulse duration, PINTR (ECP)↓ to PINTR (ECP)↑ (ECP and EPP modes)
FIGURE
20
20
20
MIN
80
MAX UNITS
20 ns
20 ns
100 ns
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