DS26502L+ Maxim Integrated Products, DS26502L+ Datasheet - Page 112

• Manufacturer Part Number: DS26502L+
• Description: IC T1/E1/J1 64KCC ELEMENT 64LQFP
• Manufacturer: Maxim Integrated Products
• Type: BITS Elementr

Specifications of DS26502L+

• Voltage - Supply: 3.135 V ~ 3.465 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 64-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Frequency-max: -
• Output: -
• Input: -

20. AC TIMING PARAMETERS AND DIAGRAMS
Capacitive test loads are 40pF for bus signals and 20pF for all others.
20.1 Multiplexed Bus
Table 20-1. AC Characteristics, Multiplexed Parallel Port
(V
DS26502LN.) (Note 1,
Cycle Time
Pulse Width, DS Low or RD High
Pulse Width, DS High or RD Low
Input Rise/Fall Times
R/W Hold Time
R/W Setup Time Before DS High
CS Setup Time Before DS, WR, or
RD Active
CS Hold Time
Read-Data Hold Time
Write-Data Hold Time
Muxed Address Valid to AS or
ALE Fall
Muxed Address Hold Time
Delay Time DS, WR, or RD to AS
or ALE Rise
Pulse Width AS or ALE High
Delay Time, AS or ALE to DS,
WR, or RD
Output Data Delay Time from DS
or RD
Data Setup Time
Note 1:
DD
= 3.3V ±5%, T
PARAMETER
The timing parameters in this table are guaranteed by design (GBD).
A
= 0°C to +70°C for DS26502L; V
Figure
20-1,
SYMBOL
Figure
PW
PW
PW
t
t
t
t
t
t
t
t
t
t
t
t
ASED
R
RWH
t
DHW
RWS
t
DHR
DDR
DSW
CYC
AHL
ASD
ASL
CH
CS
, t
ASH
EH
EL
F
20-2, and
112 of 125
MIN
200
100
100
10
50
20
10
15
10
20
30
10
50
0
5
Figure
DD
= 3.3V ±5%, T
TYP
20-3)
MAX
20
50
80
A
= -40°C to +85°C for
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
NOTES