ds2174qt-r Maxim Integrated Products, Inc., ds2174qt-r Datasheet - Page 20

• Manufacturer Part Number: ds2174qt-r
• Description: Ds2174 Ebert
• Manufacturer: Maxim Integrated Products, Inc.

6. AC TIMING CHARACTERISTICS
6.1 Parallel Port
Figure 6-1. Read Timing
Table 6-A. PARALLEL PORT READ TIMING
(V
for DS2174QN)
CS Setup Time Before RD¯
A(3:0) Setup Time Before RD¯
A(3:0) Hold Time After RD­
RD Pulse Width
DATA Output Delay After RD¯
DATA Float Time After RD­
CS Hold Time After RD­
­ = Rising Edge
¯ = Falling Edge
NOTES:
1) 50pF load.
DD
DATA OUT
A[3:0]
= 3.0V to 3.6V, T
D[7:0]
RD
CS
PARAMETER
A
t
SU(2)
= 0°C to +70°C for DS2174Q; V
t
SU(1)
SYMBOL
t
OD
t
t
t
t
SU(1)
SU(2)
t
t
H(1)
H(3)
PW
OD
t
F
t
PW
20 of 24
VALID DATA
MIN
10.0
10.0
5.0
5.0
38
DD
TYP
= 3.0V to 3.6V, T
t
t
H(3)
t
F
H(1)
MAX
8.0
2.0
A
UNITS
= -40°C to +85°C
ns
ns
ns
ns
ns
ns
ns
NOTES
1
1