TXC-03453BROG Transwitch Corporation, TXC-03453BROG Datasheet - Page 49

• 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: Rcyc is the period, in nanoseconds, of the RAM clock (RAMCI).
A(9-0) address hold time after SEL
A(9-0) address valid setup time before
SEL
D(7-0) data valid setup time before SEL
D(7-0) data hold time after SEL
SEL pulse width
RD/WR setup time before SEL
RD/WR hold time after SEL
DTACK delay after SEL
DTACK pulse width (See Note 1)
DTACK float time after SEL
RAM cycle D(7-0) valid setup time before
SEL (See Note 1)
(e.g., RAMCI @ 25 MHz yields: t
RD/WR
DTACK
A(9-0)
D(7-0)
SEL
Proprietary TranSwitch Corporation Information for use Solely by its Customers
Parameter
Figure 25. Motorola Microprocessor Write Cycle Timing
t
SU(1)
SU(4)
t
= -80 ns min, t
SU(3)
t
Symbol
DATA SHEET
SU(4)
t
t
t
t
t
t
PW(1)
PW(2)
t
SU(1)
SU(2)
t
SU(3)
t
SU(4)
H(1)
H(2)
H(3)
- 49 of 96 -
t
t
D
F
t
D
PW(2)
= 1.92 s max).
t
PW(2)
t
-2 * Rcyc
SU(2)
40.0
Min
5.0
2.0
6.5
5.0
5.0
5.0
0.0
t
PW(1)
Typ
PRELIMINARY TXC-03453B-MB, Ed. 3
t
t
F
H(3)
t
H(2)
t
H(1)
48 * Rcyc
Max
15.0
11.0
TXC-03453B
September 2003
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
TL3M