IDT72V8985 Integrated Device Technology, IDT72V8985 Datasheet - Page 11

• Manufacturer Part Number: IDT72V8985
• Description: 3.3 Volt Time Slot Interchange Digital Switch 256 X 256
• Manufacturer: Integrated Device Technology

AC ELECTRICAL CHARACTERISTICS
NOTE:
1. Timing is over recommended temperature and power supply voltages.
2. Typical figures are at 25°C and are for design aid only; not guaranteed and not subject to production testing.
IDT72V8985 3.3V Time Slot Interchange
Digital Switch 256 x 256
F0i
RX
C4i
TX
tCL, tCH
Symbol
t
t
t
t
t
t
WFH
tr, tf
t
F0iS
F0iH
DAA
STiS
STiH
C4i
t
r
Ch. 31
Parameter
Clock Period
Pulse Width
Frame Width High
Frame Setup
Frame Hold
Data Delay/Clock Active to Active
RX Input Setup
RX Input Hold
Clock Rise/Fall Time
Ch. 31
t
Bit 7
f
Bit 7
t
DAA
t
F0iS
Min.





10
10
5
5
t
t
CL
WFH
Figure 8. GCI Timing
t
F0iH
Ch. 0
t
11
STiS
 GCI TIMING
Typ.
Ch. 0
244
122
244



20
20
40
(2)
t
CH
Bit 0
Bit 0
Max.
190
190





60
10
t
STiH
Units
Commercial Temperature Range
ns
ns
ns
ns
ns
ns
ns
ns
ns
t
C4i
Ch. 0
Ch. 0
Test Conditions
C
L
Bit 1
= 150pF
Bit 1
5707 drw11