TXC-03453BROG Transwitch Corporation, TXC-03453BROG Datasheet - Page 47

• Manufacturer Part Number: TXC-03453BROG
• Manufacturer: Transwitch Corporation

Specifications of TXC-03453BROG

• Screening Level: Industrial
• Package Type: BGA
• Lead Free Status / Rohs Status: Compliant

Note 1: RDY goes low when the address being written to corresponds to a RAM location but remains high during
A(9-0) address hold time after WR
A(9-0) address setup time before SEL
D(7-0) data valid setup time before WR
D(7-0) data hold time after WR
SEL setup time before WR
WR pulse width
RDY delay after SEL
RDY delay after WR
RDY pulse width (See Note 1)
RDY float time after SEL
RAM cycle D(7-0) valid setup time before
WR (See Note 1)
D(7-0)
A(9-0)
RDY
SEL
WR
status or control register access.
R
t
SU(4)
CYC
= -80 ns min, t
is the period, in nanoseconds, of the RAM clock (RAMCI) (e.g., RAMCI @ 25 MHz yields:
Proprietary TranSwitch Corporation Information for use Solely by its Customers
Parameter
PW(2)
Figure 23. Intel Microprocessor Write Cycle Timing
t
SU(1)
= 1.92 s max).
t
D(1)
t
Symbol
DATA SHEET
SU(3)
t
t
t
t
t
t
PW(1)
PW(2)
t
SU(1)
SU(2)
t
SU(3)
t
t
SU(4)
H(1)
H(2)
D(1)
D(2)
t
- 47 of 96 -
t
SU(4)
F
t
D(2)
-2 * Rcyc
10.0
40.0
t
Min
4.0
0.0
4.0
3.0
0.0
SU(2)
t
PW(2)
t
PW(1)
Typ
PRELIMINARY TXC-03453B-MB, Ed. 3
t
H(1)
t
H(2)
48 * Rcyc
Max
16.0
15.0
13.0
TXC-03453B
t
F
September 2003
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
TL3M