参数资料
型号: WJLXT388LEB2
厂商: CORTINA SYSTEMS INC
元件分类: 数字传输电路
英文描述: DATACOM, PCM TRANSCEIVER, PQFP100
封装: 14 X 14MM, ROHS COMPLIANT, LQFP-100
文件页数: 59/80页
文件大小: 1017K
代理商: WJLXT388LEB2
Intel
LXT388 — Dual T1/E1/J1 Transceiver
62
Datasheet
Table 50. Intel Mode Read Timing Characteristics
Parameter2
Sym
Min
Typ1
Max
Unit
Test Conditions
Address setup time to latch
Tsalr
10
ns
Valid address latch pulse width
Tvl
30
ns
Latch active to active read setup time
Tslr
10
ns
Chip select setup time to active read
Tscsr
0
ns
Chip select hold time from inactive read
Thcsr
0
ns
Address hold time from inactive ALE
Thalr
5
ns
Active read to data valid delay time
Tprd
10
50
ns
Address setup time to RD inactive
Thar
1
ns
Address hold time from RD inactive
Tsar
5
ns
Inactive read to data tri-state delay time
Tzrd
3
35
ns
Valid read signal pulse width
Tvrd
60
ns
Inactive read to inactive INT delay time
Tint
10
ns
Active chip select to RDY delay time
Tdrdy
0
12
ns
Active ready Low time
Tvrdy
40
ns
Inactive ready to tri-state delay time
Trdyz
3
ns
1. Typical figures are at 25 C and are for design aid only; not guaranteed and not subject to production testing.
2. CL= 100pF on D0-D7, all other outputs are loaded with 50pF.
Table 51. JTAG Timing Characteristics
Parameter
Sym
Min
Typ
Max
Unit
Test Conditions
Cycle time
Tcyc
200
-
ns
J-TMS/J-TDI to J-TCK rising edge time
Tsut
50
-
ns
J-CLK rising to J-TMS/L-TDI hold time
Tht
50
-
ns
J-TCLK falling to J-TDO valid
Tdod
-
50
ns
Figure 21. JTAG Timing
tCYC
tSUR
tHT
tDOD
TCK
TMS
TDI
TDO
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