HI-674A Intersil Corporation, HI-674A Datasheet - Page 9

• Manufacturer Part Number: HI-674A
• Description: Complete/ 12-Bit A/D Converters with Microprocessor Interface
• Manufacturer: Intersil Corporation

Timing Specifications
Timing Specifications
NOTES:
1. Dissipation rating assumes device is mounted with all leads soldered to printed circuit board.
2. Time is measured from 50% level of digital transitions. Tested with a 50pF and 3k load.
CONVERT MODE
READ MODE
SYMBOL
SYMBOL
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
SRR
HSR
HRR
HAR
DSC
HEC
HSC
SRC
HRC
SRR
HSR
HRR
HAR
SSR
SAR
t
SSC
SAC
HAC
t
t
SSR
SAR
t
t
DD
HD
HS
t
HL
HS
C
CS to CE Setup
R/C to CE Setup
A
CS Valid After CE Low
R/C High After CE Low
A
STS Delay After Data Valid
STS Delay from CE
CE Pulse Width
CS to CE Setup
CS Low During CE High
R/C to CE Setup
R/C Low During CE High
A
A
Conversion Time
Access Time from CE
Data Valid After CE Low
Output Float Delay
CS to CE Setup
R/C to CE Setup
A
CS Valid After CE Low
R/C High After CE Low
A
STS Delay After Data Valid
O
O
O
O
O
O
to CE Setup
Valid After CE Low
to CE Setup
Valid During CE High
to CE Setup
Valid After CE Low
(HI-674A) 25
(HI-774) 25
o
C, Into a load with R
o
PARAMETER
PARAMETER
C, Note 2, Unless Otherwise Specified (Continued)
HI-574A, HI-674A, HI-774
12-Bit Cycle T
8-Bit Cycle T
12-Bit Cycle T
8-Bit Cycle T
L
= 3k and C
MIN
MIN
6-960
MIN
MIN
to T
to T
to T
to T
MAX
MAX
MAX
MAX
L
(-5)
(-2)
= 50pF, Note 2, Unless Otherwise Specified
(-5)
(-2)
MIN
MIN
50
50
50
25
50
50
50
50
50
50
25
50
50
50
0
0
0
0
0
0
0
-
-
-
-
-
-
-
-
TYP
TYP
100
8.0
6.4
6.8
30
20
20
20
30
75
35
70
25
25
90
0
0
9
0
0
0
0
-
-
-
-
-
-
-
MAX
MAX
850
200
150
150
300
6.8
8.3
11
9
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
UNITS
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
s
s
s
s