DS2151QB+ Maxim Integrated Products, DS2151QB+ Datasheet - Page 53

• Manufacturer Part Number: DS2151QB+
• Description: IC TXRX T1 1-CHIP 5V LP 44-PLCC
• Manufacturer: Maxim Integrated Products

Specifications of DS2151QB+

• Function: Single-Chip Transceiver
• Interface: T1
• Number Of Circuits: 1
• Voltage - Supply: 4.75 V ~ 5.25 V
• Current - Supply: 65mA
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 44-LCC, 44-PLCC
• Includes: Alarm Detector and Generator, CSU Loop Codes Generator and Detector, DSX-1 and CSU Line Build-Outs Generator
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power (watts): -

16 AC CHARACTERISTICS
Table 16-1. AC Characteristics—Parallel Port
(V
(See
Cycle Time
Pulse Width, DS Low or
High
Pulse Width, DS High or
Low
Input Rise/Fall Times
R/
R/
High
Read Data Hold Time
Write Data Hold Time
Muxed Address Valid to AS
or ALE Fall
Muxed Address Hold Time
Delay Time DS,
to AS or ALE Rise
Pulse Width AS or ALE High
Delay Time, AS or ALE to
DS,
Output Data Delay Time from
DS or
Data Setup Time
CS
WR
CS
DD
W
W
Setup Time before DS,
Hold Time
= 5V ±5%, T
or
Figure
WR
Hold Time
Setup Time before DS
RD
PARAMETER
RD
or
Active
16-1,
RD
WR
A
Figure
= 0°C to +70°C for DS2151Q, T
or
RD
RD
RD
16-2, and
SYMBOL
PW
PW
PW
t
t
t
t
t
t
t
t
t
t
t
t
ASED
R
RWH
DHW
RWS
t
DSW
CYC
t
DHR
AHL
DDR
ASL
ASD
CH
CS
, t
Figure
ASH
EH
EL
F
16-3.)
MIN
53 of 60
250
150
100
10
50
20
10
20
10
25
40
20
20
80
0
0
A
= -40°C to +85°C for DS2151QN.)
TYP
MAX
100
30
50
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
NOTES