TXC-04251AIPQ Transwitch Corporation, TXC-04251AIPQ Datasheet - Page 27

• Manufacturer Part Number: TXC-04251AIPQ
• Manufacturer: Transwitch Corporation

Specifications of TXC-04251AIPQ

• Pin Count: 160
• Screening Level: Industrial
• Package Type: PQFP
• Lead Free Status / Rohs Status: Not Compliant

ALE pulse width
ALE wait after WR↑
UPAD(7-0) address set-up time before ALE↓
UPAD(7-0) address hold time after ALE↓
UPAD(7-0) data set-up time before WR↑
UPAD(7-0) data hold time after WR↑
SEL set-up time before WR↓
SEL hold time after WR↑
WR wait after ALE↓
WR pulse width
UPAD(7-0)
Parameter
ALE
SEL
WR
t
Figure 11. Microprocessor Write Cycle Timing
SU(1)
t
PW(1)
Address
t
SU(3)
t
W(2)
t
H(1)
Symbol
t
t
t
t
t
PW(1)
t
t
PW(2)
t
t
t
SU(1)
SU(2)
SU(3)
W(1)
W(2)
H(1)
H(2)
H(3)
DATA SHEET
- 27 -
t
PW(2)
t
SU(2)
Min
0.0
5.0
3.0
3.0
0.0
0.0
20
16
20
45
Data
t
W(1)
Typ
t
t
H(2)
H(3)
Max
Ed. 4, March 2000
TXC-04251
TXC-04251-MB
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
QT1M