參數(shù)資料
型號(hào): MT8985AP
廠商: ZARLINK SEMICONDUCTOR INC
元件分類: 路由/交換
英文描述: Enhanced Digital Switch
中文描述: TELECOM, DIGITAL TIME SWITCH, PQCC44
封裝: PLASTIC, MS-018AC, LCC-44
文件頁數(shù): 18/26頁
文件大?。?/td> 568K
代理商: MT8985AP
MT8985
Data Sheet
18
Zarlink Semiconductor Inc.
Figure 13 - ST-BUS Timing
Timing is over recommended temperature & power supply voltages (V
=5V
±
5%, V
=0V, T
=–40 to 85
°
C).
Typical figures are at 25
°
C and are for design aid only: not guaranteed and not subject to production testing.
AC Electrical Characteristics
- GCI Timing
Voltages are with respect to ground (VSS) unless otherwise stated.
Characteristics
Sym.
Min.
Typ.
Max.
Units
Test Conditions
1
Clock Period
t
C4i
150
244
300
ns
2
Pulse Width
t
CL
, t
CH
73
122
150
ns
3
Frame Width High
t
WFH
244
ns
4
Frame Setup
t
F0iS
10
190
ns
5
Frame Hold
t
F0iH
20
190
ns
6
Data Delay/Clock Active to
Active
t
DAA
45
100
ns
C
L
=150 pF
7
Serial Input Setup
t
STiS
20
ns
8
Serial Input Hold
t
STiH
20
ns
9
Clock Rise/Fall Time
t
r,
t
f
10
ns
2.0V
0.8V
STi
2.0V
0.8V
2.0V
0.8V
STo
2.0V
0.8V
F0i
t
F0iW
t
C4i
t
CH
t
CL
t
F0iS
t
DAA
t
STiS
t
STiH
t
F0iH
Ch. 31
Bit 0
Ch. 0
Bit 7
Ch. 0
Bit 6
Ch. 31
Bit 0
Ch. 0
Bit 7
Ch. 0
Bit 6
Ch. 0
Bit 5
Ch. 0
Bit 5
C4i
t
f
t
r
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