AD8108 Analog Devices, AD8108 Datasheet - Page 3

• Manufacturer Part Number: AD8108
• Description: 325 Mhz, 8x8 Buffered Video Crosspoint Switch (Gain=1)
• Manufacturer: Analog Devices

TIMING CHARACTERISTICS (Serial)
Parameter
Serial Data Setup Time
CLK Pulsewidth
Serial Data Hold Time
CLK Pulse Separation, Serial Mode
CLK to UPDATE Delay
UPDATE Pulsewidth
CLK to DATA OUT Valid, Serial Mode
Propagation Delay, UPDATE to Switch On or Off
Data Load Time, CLK = 5 MHz, Serial Mode
CLK, UPDATE Rise and Fall Times
RESET Time
V
RESET, SER/PAR
CLK, DATA IN,
CE, UPDATE
2.0 V min
IH
0 = TRANSPARENT
V
RESET, SER/PAR
CLK, DATA IN,
CE, UPDATE
0.8 V max
1 = LATCHED
IL
DATA IN
DATA OUT
UPDATE
CLK
1
0
1
0
t
OUT7 (D3)
1
V
DATA OUT
2.7 V min
OH
t
t
3
7
t
2
V
DATA OUT
0.5 V max
OL
t
4
Table I. Logic Levels
OUT7 (D2)
Symbol
t
t
t
t
t
t
t
–
–
–
–
1
2
3
4
5
6
7
I
RESET, SER/PAR
CLK, DATA IN,
CE, UPDATE
20 µA max
IH
SERIAL REGISTER
ON FALLING EDGE
LOAD DATA INTO
TRANSFER DATA FROM SERIAL
LATCHES DURING LOW LEVEL
Min
20
100
20
100
0
50
200
REGISTER TO PARALLEL
I
RESET, SER/PAR
CLK, DATA IN,
CE, UPDATE
–400 µA min
IL
Limit
Typ
6.4
t
5
OUT00 (D0)
AD8108/AD8109
I
DATA OUT
–400 µA max
OH
t
Max
180
8
100
6
I
DATA OUT
3.0 mA min
OL
Unit
ns
ns
ns
ns
ns
ns
ns
ns
µs
ns
ns