IDT72V90823 Integrated Device Technology, IDT72V90823 Datasheet - Page 20
IDT72V90823
Manufacturer Part Number
IDT72V90823
Description
3.3 Volt Time Slot Interchange Digital Switch
Manufacturer
Integrated Device Technology
Datasheet
1.IDT72V90823.pdf
(27 pages)
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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