參數(shù)資料
型號: 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
文件頁數(shù): 37/52頁
文件大?。?/td> 179K
代理商: SC4000
2000 Sep 07
37
Philips Semiconductors
Preliminary specification
Universal Timeslot Interchange
SC4000
AC ELECTRICAL CHARACTERISTICS
Figure 7. Mcroprocessor Interface Timing - Intel Bus Mode (Pin I_N = 0), Non-Multiplexed Address
Table 7. Mcroprocessor Interface Timing - Intel Bus Mode
Symbol
Parameter
Mn
Typ
Max
Unit
t1
CS_0_N setup to WR_N
40
40
40
t2
WR_N pulse width
t3
A_[8:0] setup to WR_N
C_11 = 1)
t4
A_[1:0] setup to WR_N
(C_11 = 0)
t5
A_[8:0] hold fromWR_N
t6
D_[7:0] setup to WR_N
40
t7
D_[7:0] hold fromWR_N
t8
D_[7:0] float to valid delay fromCS_0_N, RD_N
and A_[8:0]
0
t9
D_[7:0] valid to float delay fromCS_0_N or RD_N
Notes
1. Timng measured with 100 pF load on D_[7:0].
2. Write cycle may be controlled by CS_0_N or WR_N.
3. ALE = 1.
CS_0_N
RD_N
WR_N
A_[8:0]
D_[7:0]
t2
t3
t4
t5
t8
t9
t1
t6
t7
ns
ns
ns
ns
ns
ns
ns
ns
50
ns
5
5
5
0
20
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