IDT72T6480 Integrated Device Technology, IDT72T6480 Datasheet - Page 32

• Manufacturer Part Number: IDT72T6480
• Description: X48 Sequential Flow-control Device Up To 1gigabit
• Manufacturer: Integrated Device Technology

IDT72T6480 2.5V, SEQUENTIAL FLOW-CONTROL DEVICE
x12, x24, x48 BIT WIDE CONFIGURATION
NOTE:
1. For other signals that are latched during master reset, refer to Master Reset and Device Configuration section.
Q[47:0]
Symbol
SWEN
ASYW
IOSEL
SREN
FWFT
t
t
t
t
t
ASYR
RS
RSU
RSH
PL
RSF
IDEM
MRS
REN
WEN
PAE
PAF
OR
CK
CK
EF
FF
IR
Reset Pulse Width
Reset Setup Time
Reset Hold Time
Reset to PLL Lock
Reset to Flag and Output
If IDT mode is selected
If FWFT mode is selected
If IDT mode is selected
If FWFT mode is selected
The clock may not be locked to the required operating frequency before
The clock may not be locked to the required operating frequency before
Parameter
t
RS
Min.
t
t
t
t
t
t
t
t
t
RSU
RSU
RSU
RSU
RSU
RSU
RSU
RSU
RSU
10
15
10
20
—
Figure 6. Master Reset and Initialization
Max.
FWFT Mode
IDT Standard Mode
Synchronous read port selected
Asynchronous read port selected
Synchronous write port selected
Asynchronous write port selected
3.3V I/O voltage selected
2.5V I/O voltage selected
Depth Expansion in IDT Standard Mode
Depth Expansion in FWFT Standard Mode
—
—
—
—
15
t
t
t
t
t
t
t
t
RSF
RSF
RSF
RSF
RH
RH
RH
RH
Unit
µs
ns
ns
ns
ns
32
t
t
t
t
PL
PL
PL
PL
If OE = HIGH
If OE = LOW
t
t
PL
PL
COMMERCIAL AND INDUSTRIAL
TEMPERATURE RANGES
OCTOBER 10, 2005
6358 drw14