LTC1275 LINER [Linear Technology], LTC1275 Datasheet - Page 18

• Manufacturer Part Number: LTC1275
• Description: 12-Bit, 300ksps Sampling A/D Converters with Reference
• Manufacturer: LINER [Linear Technology]

LTC1273
LTC1275/LTC1276
A
Table 5. ROM Mode, Two Byte Read Data Bus Status
Data Outputs
First Read (Old Data)
Second Read (New Data)
Third Read (New Data)
18
Table 4. ROM Mode, Parallel Read Data Bus Status
Data Outputs
First Read (Old Data)
Second Read
PPLICATI
TRACK
HBEN
BUSY
HOLD
DATA
RD
RD
CS
O
U
DB11
DB11
S
D11
TRACK
HOLD
t
BUSY
DATA
8
RD
CS
t
1
I FOR ATIO
U
t
t
DB7
Low
DB7
t
12
3
D7
2
Figure 15. ROM Mode, Parallel Read Timing Diagram (HBEN = LOW)
DB10
DB10
D10
OLD DATA
t
DB7-DB0
4
t
1
Figure 16. ROM Mode Two Byte Read Timing Diagram
W
t
t
3
2
DB9
DB9
t
D9
DB6
Low
DB6
t
7
D6
5
t
OLD DATA
DB11-DB0
t
t
t
4
CONV
9
12
DB8
DB8
D8
t
t
t
U
5
7
CONV
DB5
Low
DB5
D5
t
8
DB7
DB7
D7
t
1
t
3
t
11
DB4
Low
DB4
NEW DATA
D4
DB11-DB8
t
DB6
DB6
t
1
D6
4
t
t
3
2
NEW DATA
DB11-DB0
t
t
t
t
4
12
5
7
DB5
DB5
t
D5
9
t
11
D3/11
DB11
DB3
DB3
t
t
t
7
t
5
10
CONV
DB4
DB4
D4
t
8
LTC1273/75/76 • F15
t
1
D2/10
DB10
DB2
DB2
D3/11
t
DB3
DB3
12
t
3
t
NEW DATA
4
t
DB7-DB0
2
D2/10
DB2
DB2
LTC1272 • TA16
t
t
5
7
D1/9
DB1
DB9
DB1
t
9
D1/9
DB1
DB1
D0/8
D0/8
DB0
DB8
DB0
DB0
DB0