TL16PC564BLVI_16 Datasheet, PDF (16/35 Pages) Texas Instruments – PCMCIA UNIVERSAL ASYNCHRONOUS RECEIVER TRANSMITTER

TL16PC564BLVI
Not Recommended For New Designs
PCMCIA UNIVERSAL ASYNCHRONOUS RECEIVER TRANSMITTER
SLLS627− SEPTEMBER 2004
host CPU I/O write-cycle timing requirements over recommended ranges of operating free-air
temperature and supply voltage (see Figure 3)
tsu4 Setup time, HD(7 −0) valid before IOWR↓
th5 Hold time, HA(9 −0) valid after IOWR↑
tw6 Pulse duration, IOWR low
tsu5 Setup time, HA(9 −0) valid before IOWR↓
th6 Hold time, REG↑ after IOWR↑
tsu6 Setup time, CEx↓ before IOWR↓
th7 Hold time, CEx↑ after IOWR↑
tsu7 Setup time, REG↓ before IOWR↓
th8 Hold time, HD(7 −0) valid after IOWR↑
MIN MAX UNIT
60
ns
20
ns
165
ns
70
ns
0
ns
5
ns
20
ns
5
ns
30
ns
transmitter switching characteristics over recommended ranges of operating free-air temperature
and supply voltage (see Figure 4)
PARAMETER
td9 Delay time, SOUT↓ after IOWR↑
td10 Delay time, IREQ↓ after SOUT↓
td11 Delay time, IREQ↓ after IOWR↑
td12 Delay time, IREQ↑ after IOWR↑
td13 Delay time, IREQ↑ after IORD↑
TEST CONDITIONS
CL = 100 pF
CL = 100 pF
MIN MAX UNIT
8
24
Baud
cycles
8
8
Baud
cycles
16
32
Baud
cycles
140 ns
140 ns
receiver switching characteristics over recommended ranges of operating free-air temperature
and supply voltage (see Figure 5)
PARAMETER
td14 Delay time, sample CLK↑ after RCLK↑
td15 Delay time, IREQ↓ after SIN↓
td16 Delay time, IREQ↑ after IORD↑
TEST CONDITIONS
CL = 100 pF
MIN MAX UNIT
100 ns
1
RCLK
cycles
150 ns
modem-control switching characteristics over recommended ranges of operating free-air
temperature and supply voltage, C_L = 100 pF (see Figure 6)
PARAMETER
MIN MAX UNIT
td17 Delay time, RTS, DTR, OUT1, OUT2 ↓ or ↑ after IOWR↑
td18 Delay time, IREQ↓ after CTS, DSR, DCD↓
td19 Delay time, IREQ↑ after IORD↑
td20 Delay time, IREQ↓ after RI↑
50 ns
30 ns
35 ns
30 ns
16
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