AD6622AS Analog Devices Inc, AD6622AS Datasheet - Page 6

• Manufacturer Part Number: AD6622AS
• Manufacturer: Analog Devices Inc

Specifications of AD6622AS

• Lead Free Status / RoHS Status: Not Compliant

AD6622
1. t
2. t
3. t
4. t
R/W (WR)
1. t
2. t
3. t
4. t
DS (RD)
VERSUS A RAM REGISTER.
DTACK
VERSUS A RAM REGISTER.
ACC
ACC
ACC
ACC
(RDY)
ACC
ACC
ACC
ACC
A[2:0]
D[7:0]
R/W (WR)
CS
FAST REQUIRES A MAXIMUM OF FOUR CLK PERIODS AND APPLIES TO A[2:0] = 7, 6, 3, 2, 1
MEDIUM REQUIRES A MAXIMUM OF FIVE CLK PERIODS AND APPLIES TO A[2:0] = 4, 5, AND 0 IF THE ACCESS IS TO A CONTROL REGISTER
SLOW REQUIRES A MAXIMUM OF SIX CLK PERIODS AND APPLIES TO A[2:0] = 0 WHEN ACCESSING RAM REGISTERS.
DS (RD)
ACCESS TIME DEPENDS ON THE ADDRESS ACCESSED. ACCESS TIME IS MEASURED FROM THE FE OF DS TO THE FE OF DTACK.
FAST REQUIRES A MAXIMUM OF FOUR CLK PERIODS AND APPLIES TO A[2:0] = 7, 6, 3, 2, 1
MEDIUM REQUIRES A MAXIMUM OF FIVE CLK PERIODS AND APPLIES TO A[2:0] = 4, 5, AND 0 IF THE ACCESS IS TO A CONTROL REGISTER
SLOW REQUIRES A MAXIMUM OF SIX CLK PERIODS AND APPLIES TO A[2:0] = 0 WHEN ACCESSING RAM REGISTERS.
ACCESS TIME DEPENDS ON THE ADDRESS ACCESSED. ACCESS TIME IS MEASURED FROM THE FE OF DS TO THE FE OF DTACK.
DTACK
(RDY)
A[2:0]
D[7:0]
CS
t
SAM
t
ZD
t
t
SAM
SAM
VALID ADDRESS
t
ACC
VALID DATA
t
ACC
t
t
HAM
HAM
t
HDS
t
t
HRW
HDS
t
DD
t
VALID ADDRESS
DDTACK
t
VALID DATA
DDTACK
t
HA
t
ZD