ds21ft40 Maxim Integrated Products, Inc., ds21ft40 Datasheet - Page 77

• Manufacturer Part Number: ds21ft40
• Description: Ds21ft40 Four X Three 12 Channel E1 Framer
• Manufacturer: Maxim Integrated Products, Inc.

AC CHARACTERISTICS – NON–MULTIPLEXED
PARALLEL PORT (MUX=0 )
PARAMETER
Set Up Time for A0 to
A7, FS0 or FS1 Valid to
CS1*, CS2*, CS3*
Active
Set Up Time for CS1*,
CS2*, CS3* Active to
either RD*, WR*, or
DS* Active
Delay Time from either
RD* or DS* Active to
Data Valid
Hold Time from either
RD*, WR*, or DS*
Inactive to CS1*, CS2*,
CS3* Inactive
Hold Time from CS1*,
CS2*, CS3* Inactive to
Data Bus 3–state
Wait Time from either
WR* or DS* Active to
Latch Data
Data Set Up Time to
either WR* or DS*
Inactive
Data Hold Time from
either WR* or DS*
Inactive
Address Hold from
either WR* or DS*
inactive
See Figures 17–4 to 17-7 for details.
SYMBOL
t
t
t
t
t
t
t
t
t
1
2
3
4
5
6
7
8
9
–40ºC to +85ºC; V
(0ºC to 70ºC; V
MIN
75
10
10
10
0
0
0
5
77 of 87
TYP
DD
DD
= 2.97 to 3.63V for DS21FT40N)
= 2.97 to 3.63V for DS21FT40;
MAX
75
20
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
NOTES
DS21FT40