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TL16PC564BLVI_16 Datasheet, PDF (15/35 Pages) Texas Instruments – PCMCIA UNIVERSAL ASYNCHRONOUS RECEIVER TRANSMITTER | |||
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Not Recommended For New Designs
TL16PC564BLVI
PCMCIA UNIVERSAL ASYNCHRONOUS RECEIVER TRANSMITTER
SLLS627â SEPTEMBER 2004
XIN timing requirements over recommended operating free-air temperature range (see Figure 1)
Input frequency
tc1
Cycle time, XIN
tw1
Pulse duration, XIN clock high
tw2
Pulse duration, XIN clock low
NOTE 11: TL16PC564BLVI device tested at VCC = 3 V.
TEST CONDITIONS
VCC = 3.3 V,
VCC = 5 V
VCC = 3.3 V,
VCC = 5 V
VCC = 3.3 V,
VCC = 5 V
VCC = 3.3 V,
VCC = 5 V
See Note 11
See Note 11
See Note 11
See Note 11
MIN MAX UNIT
50
MHz
60
20
ns
16.7
10
ns
8
10
ns
8
clock switching characteristics over recommended operating free-air temperature range (see
Figure 1)
PARAMETER
td1
Delay time, XINâ to UARTCLKâ
td2
Delay time, XINâ to UARTCLKâ
td3
Delay time, XINâ to UARTCLKâ
td4
Delay time, XINâ to UARTCLKâ
td5
Delay time, XINâ to UARTCLKâ
NOTE 11: TL16PC564BLVI device tested at VCC = 3 V.
TEST CONDITIONS
VCC = 3.3 V,
VCC = 5 V
VCC = 3.3 V,
VCC = 5 V
See Note 11
See Note 11
VCC = 3.3 V,
VCC = 5 V
See Note 11
VCC = 3.3 V,
VCC = 5 V
See Note 11
VCC = 3.3 V,
VCC = 5 V
See Note 11
MIN MAX UNIT
14
ns
8
16
ns
10
19.8
ns
13
20.6
ns
13.5
21
ns
13.8
host CPU I/O read-cycle timing requirements over recommended ranges of operating free-air
temperature and supply voltage (see Figure 2 and Note 12)
MIN MAX
th1 Hold time, HA(9 â0) valid after IORDâ
th2 Hold time, REGâ valid after IORDâ
tw4 Pulse duration, IORD low
tsu1 Setup time, HA(9 â0) valid before IORDâ
tsu2 Setup time, CExâ before IORDâ
th3 Hold time, CExâ after IORDâ
th4 Hold time, HD(7 â0) valid after IORDâ
tsu3 Setup time, REGâ before IORDâ
td6 Delay time, HD(7 â0) valid after IORDâ
20
0
165
70
5
20
0
5
100
NOTE 12: The maximum load on INPACK is one low power shot with 50-pF total load. All timing is measured in nanoseconds.
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
ns
host CPU I/O read-cycle switching characteristics over recommended ranges of operating free-air
temperature and supply voltage (see Figure 2 and Note 11)
PARAMETER
MIN MAX UNIT
td7 Delay time, INPACKâ after IORDâ
45 ns
td8 Delay time, INPACKâ after IORDâ
45 ns
NOTE 12: The maximum load on INPACK is one low power Schottky (LSTTL) diode with 50-pF total load. All timing is measured in nanoseconds.
⢠POST OFFICE BOX 655303 DALLAS, TEXAS 75265
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