CE
tHEC
tSRC
R/C
STATUS
DB11 - DB0
tHRC
tDSC
tC
HIGH IMPEDANCE
CONVERT MODE DYNAMIC CHARACTERISTICS
VCC = +15V; VLOGIC = +5V; TA = 25°C
PARAMETER
tHEC CE Pulse Width
tSRC R/C to CE Setup
tHRC R/C Low during CE High
tDSC Status Delay from CE
Figure 3. Convert Mode Timing
MIN.
50
50
50
TYP.
MAX.
200
UNIT
ns
ns
ns
ns
CONDITIONS
CE
tSRR
R/C
tHRR
STATUS
DB11 - DB0
HIGH IMPEDANCE
tDD
tHD
DATA VALID
tHL
READ MODE DYNAMIC CHARACTERISTICS
VCC = +15V; VLOGIC = +5V; TA = 25°C
PARAMETER
tSRR R/C to CE Setup
tHRR R/C High after CE Low
tHD Data Valid after CE Low
tDD Access Time from CE
tHL Output Float Delay
Figure 4. Read Mode Timing
MIN.
0
0
25
TYP.
0
50
MAX.
150
150
UNIT
ns
ns
ns
ns
ns
CONDITIONS
SP8121DS/02
SP8121 Monolithic, 12-Bit Data Acquisition System
7
© Copyright 2000 Sipex Corporation