Cypress CY7C64215 ユーザーズマニュアル

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CY7C64215
Document 38-08036 Rev. *C
Page 24 of 30
AC Analog Output Buffer Specifications
The following tables list guaranteed maximum and minimum specifications for the voltage and temperature ranges: 4.75V to 5.25V
and 0°C < T
A
 < 70°C, or 3.0V to 3.6V and 0°C < T
A
 < 70°C, respectively. Typical parameters apply to 5V and 3.3V at 25°C and are
for design guidance only. 
Table 23.  5V AC Analog Output Buffer Specifications
Parameter
Description
Min
Typ
Max
Unit
Notes
T
ROB
Rising Settling Time to 0.1%, 1V Step, 100 pF Load
 Power = Low
 Power = High


2.5
2.5
μs
μs
T
SOB
Falling Settling Time to 0.1%, 1V Step, 100 pF Load
 Power = Low 
 Power = High


2.2
2.2
μs
μs
SR
ROB
Rising Slew Rate (20% to 80%), 1V Step, 100 pF Load
 Power = Low
 Power = High
0.65
0.65


V/
μs
V/
μs
SR
FOB
Falling Slew Rate (80% to 20%), 1V Step, 100 pF Load
 Power = Low
 Power = High
0.65
0.65


V/
μs
V/
μs
BW
OBSS
Small Signal Bandwidth, 20mV
pp
, 3-dB BW, 100 pF Load
 Power = Low
 Power = High
0.8
0.8


MHz
MHz
BW
OBLS
Large Signal Bandwidth, 1V
pp
, 3-dB BW, 100 pF Load
 Power = Low
 Power = High
300
300


kHz
kHz
Table 24.  3.3V AC Analog Output Buffer Specifications
Parameter
Description
Min
Typ
Max
Unit
Notes
T
ROB
Rising Settling Time to 0.1%, 1V Step, 100 pF Load
 Power = Low
 Power = High


3.8
3.8
μs
μs
T
SOB
Falling Settling Time to 0.1%, 1V Step, 100 pF Load
 Power = Low 
 Power = High


2.6
2.6
μs
μs
SR
ROB
Rising Slew Rate (20% to 80%), 1V Step, 100 pF Load
 Power = Low
 Power = High
0.5
0.5


V/
μs
V/
μs
SR
FOB
Falling Slew Rate (80% to 20%), 1V Step, 100 pF Load
 Power = Low
 Power = High
0.5
0.5


V/
μs
V/
μs
BW
OBSS
Small Signal Bandwidth, 20mV
pp
, 3dB BW, 100 pF Load
 Power = Low
 Power = High
0.7
0.7


MHz
MHz
BW
OBLS
Large Signal Bandwidth, 1V
pp
, 3dB BW, 100 pF Load
 Power = Low
 Power = High
200
200


kHz
kHz