IDT72V90823 Integrated Device Technology, IDT72V90823 Datasheet - Page 20

• Manufacturer Part Number: IDT72V90823
• Description: 3.3 Volt Time Slot Interchange Digital Switch
• Manufacturer: Integrated Device Technology

AC ELECTRICAL CHARACTERISTICS - FRAME PULSE AND CLK
AC ELECTRICAL CHARACTERISTICS - SERIAL STREAMS
NOTE:
1. High Impedance is measured by pulling to the appropriate rail with R
IDT72V90823 3.3V TIME SLOT INTERCHANGE
DIGITAL SWITCH 2,048 x 2,048
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
CP
CH
CL
HCP
HCH
HCL
FPW
FPS
FPH
r
HFPW
HFPS
HFPH
Hr
DIF
, t
Symbol
, t
f
Hf
t
t
t
t
t
SOD
ODE
t
t
XCD
SIS
SIH
DZ
ZD
Characteristics
Frame Pulse Width (ST-BUS
Frame Pulse Setup time before CLK falling (ST-BUS
Frame Pulse Hold Time from CLK falling (ST-BUS
CLK Period 
CLK Pulse Width HIGH 
CLK Pulse Width LOW 
Clock Rise/Fall Time
Wide Frame Pulse Width 
Frame Pulse Setup Time before HCLK falling
Frame Pulse Hold Time from HCLK falling
HCLK (4.096 MHz) Period 
HCLK (4.096 MHz) Pulse Width HIGH 
HCLK (4.096 MHz) Pulse Width LOW 
HCLK Rise/Fall Time
Delay between falling edge of HCLK and falling edge of CLK
Characteristics
RX Setup Time
RX Hold Time
TX Delay – Active to Active
TX Delay – Active to High-Z
TX Delay – High-Z to Active
Output Driver Enable (ODE) Delay
CCO Output Delay
®
, GCI) 
Bit rate = 2.048 Mb/s
Bit rate = 4.096 Mb/s
Bit rate = 8.192 Mb/s
Bit rate = 2.048 Mb/s
Bit rate = 4.096 Mb/s
Bit rate = 8.192 Mb/s
Bit rate = 2.048 Mb/s
Bit rate = 4.096 Mb/s
Bit rate = 8.192 Mb/s
Bit rate = 2.048 Mb/s
Bit rate = 4.096 Mb/s
Bit rate = 8.192 Mb/s
Bit rate = 8.192 Mb/s
Bit rate = 8.192 Mb/s
Bit rate = 8.192 Mb/s
Bit rate = 8.192 Mb/s
Min.






10

®
0
L
, with timing corrected to cancel time taken to discharge C
or GCI)
®
or GCI)
20
Typ.









Max.


30
40
32
32
32
30
40
Min.
190
110
195
190


-10
26
26
26
10
55
85
50
20
85
50
20
10
85
85
COMMERCIAL TEMPERATURE RANGE
5
5
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
L
.
Typ.






















R
R
R
L
L
L
Test Conditions
= 1KΩ, C
= 1KΩ, C
= 1KΩ, C
Max.
C
C
295
145
300
150
150
150
295
150
150
300
150
150


C
C
75
75
10
10
10
80
70
40
40
L
L
L
L
= 200pF
= 200pF
= 30pF
= 30pF
L
L
L
= 200pF
= 200pF
= 200pF
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns