HT574 Honeywell, HT574 Datasheet - Page 5

• Manufacturer Part Number: HT574
• Description: HIGH TEMPERATURE UP COMPATIBLE 12-BIT A/D CONVERTER
• Manufacturer: Honeywell

CONVERT MODE TIMING CHARACTERISTICS
(1) Time is measured from 50% level of digital transitions. Tested with a 100pF and 3k load for high impedance to drive and
DB11-DB0
Symbol
tDSC
tHEC
tSSC
tHCS
tSRC
tHRC
tSAC
tHAC
tC
R_NC
tested with 10pF and 3k load for drive to high impedance.
STS
NCS
Ao
CE
CONVERT MODE TIMING DIAGRAM
tSAC
tSSC
tSRC
Parameter
STS Delay from CE
CE Pulse Width
NCS to CE Setup
NCS Low during CE High
R_NC to CE Setup
R_NC Low during CE High
Conversion Time
Ao to CE Setup
Ao Valid during CE High
12-Bit Cycle
8-Bit Cycle
High Impedance
tDSC
tHAC
tHSC
tHRC
tHEC
tC
Conditions (1)
Including Acquisition
Tmin to Tmax
Tmin to Tmax
5
DB11-DB0
R_NC
NCS
STS
CE
Ao
READ MODE TIMING DIAGRAM
Typical @ +25 C, Vlogic = +5V, unless otherwise specified
Temperature ranges = -55 to +225 C, VDD = 10.0V 10%
Typical
tSSR
tSRR
tSAR
High
Impedance
tDD
tHS
Min
50
50
50
50
50
50
0
tHAR
tHSR
tHRR
Data Valid
Max
200
7.2
10
tHL
HT574
tHD
Units
ns
ns
ns
ns
ns
ns
ns
ns
s
s