參數(shù)資料
型號(hào)： SC4000
廠商： NXP SEMICONDUCTORS
元件分類： 路由/交換
英文描述： Pressure Transducer, Series 19 mm, Compensated, Pressure Range: 0 psi to 200 psi, Vacuum Gage, 1/8-27 NPT, 10 Vdc excitation
中文描述： TELECOM, DIGITAL TIME SWITCH, PQFP100
封裝： TQFP-100
文件頁(yè)數(shù)： 40/52頁(yè)
文件大?。?/td> 179K
代理商： SC4000
2000 Sep 07
40
Philips Semiconductors
Preliminary specification
Universal Timeslot Interchange
SC4000
Figure 10. Local Bus Timing, 1XL_CLK Mode (C_28 = 0)
Table 10. Local Bus Timing, 1X L_CLK Mode (C_28 = 0)
Symbol
Parameter
Mn
Typ
Max
Unit
t1a
L_CLK Period (C_[7:6] = 0X)
t1b
L_CLK Period (C_[7:6] = 10)
t1c
L_CLK Period (C_[7:6] = 11)
t2a
L_FS delay fromL_CLK (C_29 = 0)
t2b
L_FS delay fromL_CLK (C_[7:6] = 0X, C_29 = 1)
t3a
SO_[3:0] float to valid delay fromL_CLK
↑
(C_19 = 0, C_29 = 0)
t3b
SO_[3:0] float to valid delay fromL_CLK
↑
(C_19 = 0, C_[7:6] = 0X, C_29 = 1)
t3c
SO_[3:0] float to valid delay fromL_CLK
↑
(C_19 = 1, C_[7:6] = 0X, C_29 = 0)
t3d
SO_[3:0] float to valid delay fromL_CLK
↑
(C_19 = 1, C_[7:6] = 0X, C_29 = 1)
t3e
SO_[3:0] float to valid delay fromL_CLK
↑
(C_19 = 1, C_[7:6] = 10)
t3f
SO_[3:0] float to valid delay fromL_CLK
↑
(C_19 = 1, C_[7:6] = 11)
t4a
SO_[3:0] valid to valid delay fromL_CLK
↑
(C_29 = 0)
t4b
SO_[3:0] valid to valid delay fromL_CLK
↑
(C_[7:6] = 0X, C_29 = 1)
t5a
SO_[3:0] valid to float delay fromL_CLK
↑
(C_29 = 0)
t5b
SO_[3:0] valid to float delay fromL_CLK
↑
(C_[7:6] = 0X, C_29 = 1)
t6a
SI_[3:0] setup to L_CLK
↓
(C_17 = 0, C_29 = 0)
t6b
SI_[3:0] setup to L_CLK
↓
(C_17 = 0, C_[7:6] = 0X, C_29 = 1)
t7a
SI_[3:0] hold fromL_CLK
↓
(C_17 = 0, C_29 = 0)
t7b
SI_[3:0] hold fromL_CLK
↓
(C_17 = 0, C_[7:6] = 0X, C_29 = 1)
Notes
1. Timng measured with 100 pF load on all Local Bus outputs.
2. L_CLK and L_FS shown with positive polarity, timng is equivalent when signals are inverted.
t1
t2
t2
t2
t2
t2
t2
t3
t4
t5
t6 t7
SI
SO
L_CLK
L_FS
L_FS
L_FS
Frame Boundary
(C_[27:26]=00)
(C_[27:26]=01)
(C_[27:26]=10)
0
10
ns
-15
25
ns
0
10
ns
-15
25
ns
25
60
ns
10
75
ns
25
60
ns
10
30
ns
0
10
ns
-15
25
ns
0
10
ns
-15
25
ns
10
ns
25
ns
10
ns
25
ns
488
ns
244
ns
122
ns
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