IDT77V550S25DT8 IDT, Integrated Device Technology Inc, IDT77V550S25DT8 Datasheet - Page 16

• Manufacturer Part Number: IDT77V550S25DT8
• Description: IC SW MEMORY 8X8 1.2BGPS 80-TQFP
• Manufacturer: IDT, Integrated Device Technology Inc

Specifications of IDT77V550S25DT8

• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 77V550S25DT8

Reset Operations
Reset Operations
a dedicated reset of a port or Switch Controller.
Reset Conditions Table
Reset Conditions Table
AC Electrical Characteristics over the Operating Temperature Range
AC Electrical Characteristics over the Operating Temperature Range
(V
(V
IDT77V550
CC
CC
The Switch Manager controls all reset operations in the switch. It can either do a complete switch reset which includes all components, or it can do
There are two different ways of initiating a reset.
1. Manually resetting the switch, which will generate a complete reset of the switch.
2. Use one of the reset commands of the Switch Manager.
The table below illustrates how the different reset operations affect the Reset Outputs of the Switch Manager.
= 3.3V
= 3.3V
RESETO
RESET0
RESETP [0..7]
Reset Output Pins
0.3V)
0.3V)
tCYC
tCH
tCL
tOCYC
tOCH
tOCL
tICYC
tICH
tICL
tSD
tH
tSD
tH
tCD
tCD
tPDICLK
tPDOCLK
Symbol
Table 23 AC Electrical Characteristics over the Operating Temperature Range
SCLK Cycle Time
SCLK High Time
SCLK Low Time
OCLK/OCLK
OCLK/OCLK
OCLK/OCLK
ICLK/ICLK
ICLK/ICLK
ICLK/ICLK
OFRM
OFRM
IFRM
IFRM
OFRM
IFRM
ICLK to ICLK
OCLK to OCLK
Manual Switch
Reset Button
M
M
M
M
M
M
, IPD
, IPD
, IPD
, OPD
, OPD
, OPD
M
M
M
M
M
M
DPI Clock Cycle Time
DPI Clock High Time
DPI Clock Low Time
M
M
M
M
[0-3] Setup Time
[0-3] Hold Time
[0-3] Propagation delay to Valid Output
X
X
M
M
M
DPI Clock Cycle Time
DPI Clock High Time
DPI Clock Low Time
Propagation Delay
M
[0-3] Setup Time
[0-3] Hold Time
[0-3] Propagation delay to Valid Output
Propagation Delay
Table 22 Reset Conditions Table
Parameter
16 of 19
Global Reset
Command
X
X
Reset Switch
Min.
77V550S25
Controller
Command
4.0
25
10
10
25
10
10
25
10
10
9
0
0
3
3
3
1
X
Max.
—
—
—
—
—
—
—
—
—
—
—
—
—
12
11
13
7
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Reset Port#
Command
X
June 22, 2001