ACE1502 Datasheet, PDF (4/33 Pages) Fairchild Semiconductor – Arithmetic Controller Engine for Low Power Applications

ACE1502 AC Electrical Characteristics, Vcc = 1.8 to 3.6V
All measurements are valid for ambient operating temperature unless otherwise stated.
Parameter
Instruction cycle time from internal clock -
setpoint
Internal clock frequency variation
Crystal oscillator frequency
External clock frequency
EEPROM write time
Internal clock start up time
Oscillator start up time
Conditions
3.3V at +25°C
MIN
0.98
1.8V to 3.6V at constant temperature
1.8V to 3.6V at full temperature range (Note 6)
(Note 5)
(Note 5)
(Note 6)
(Note 6)
TYP
1.0
1.2
5.5
MAX
1.02
6
25
8
10
2
2400
Units
µs
%
%
MHz
MHz
ms
ms
cycles
5. The maximum permissible frequency is guaranteed by design but is not 100% tested
6. The parameter is characterized but is not 100% tested, contact Fairchild for additional characterization data.
ACE1502 Electrical Characteristics for programming
All data valid at ambient temperature between 3.0V and 3.6V. The following characteristics are guaranteed
by design but are not 100% tested. See “EEPROM write time” in the AC Electrical Characteristics for
definition of the programming ready time.
Parameter
t_HI
t_LO
t_DIS
t_DIH
t_DOS
t_DOH
T_RESET
t_LOAD1, t_LOAD2, t_LOAD3, t_LOAD4
Description
CLOCK high time
CLOCK low time
SHIFT_IN setup time
SHIFT_IN hold time
SHIFT_OUT setup time
SHIFT_OUT hold time
Power On Reset time
LOAD timing
MIN
500
500
100
100
100
900
3.2
5
MAX
DC
DC
4.5
Units
ns
ns
ns
ns
ns
ns
ms
µs
ACE1502 Low Battery Detect (LBD) Characteristics, Vcc = 1.8 to 3.6V
Parameter
LBD voltage threshold variation
Conditions
-40°C to +85°C
MIN TYP
-5
MAX
+5
Units
%
ACE1502 Brown-out Reset (BOR) Characteristics, Vcc = 1.8 to 3.6V
Parameter
BOR voltage threshold variation
Conditions
-40°C to +85°C
MIN
1.72
TYP
1.83
MAX
1.92
Units
V
4
ACE1502 Product Family Rev. 1.7
www.fairchildsemi.com