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www.fairchildsemi.com
ACE1101 Rev. C.8
ACE1101 Arithmetic Controller Engine (ACExTM) for Low Power Applications
ACE1101
Arithmetic Controller Engine (ACExTM)
for Low Power Applications
General Description
The ACE1101 (Arithmetic Controller Engine) is a dedicated pro-
grammable monolithic integrated circuit for applications requiring
high performance, low power, and small size. It is a fully static part
fabricated using CMOS technology.
The ACE1101 has an 8-bit microcontroller core, 64 bytes of RAM,
64 bytes of data EEPROM and 1K bytes of code EEPROM. Its on-
chip peripherals include a multi-function 16-bit timer, watchdog/
idle timer, and programmable undervoltage detection circuitry.
On-chip clock and reset functions reduce the number of required
external components. The ACE1101 is available in an 8-pin
TSSOP package.
Features
I Arithmetic Controller Engine
I 1K bytes on-board code EEPROM
I 64 bytes data EEPROM
I 64 bytes RAM
I Watchdog
I Multi-input wake-up all I/O pins
Block and Connection Diagram
PRELIMINARY
May 1999
I 16-bit multifunction timer
I On-chip oscillator
-- No external components
-- 1
s instruction cycle time
I Instruction set geared for block encryption
I On-chip power on reset
I Programmable read and write disable functions
I Memory mapped I/O
I Multilevel Low Voltage Detection
I Fully static CMOS
-- Low power HALT mode (100nA @3.3V)
-- Power saving IDLE mode
-- Single supply operation (2.0-5.5V, 2.2-5.5V, 2.7-5.5V))
I Software selectable I/O options
-- Push-pull outputs with tri-state option
-- Weak pull-up or high impedance inputs
I 40 years data retention
I 1,000,000 data changes
I 8-pin TSSOP package
I In-circuit programming
Power-on
Reset
VCC
GND
G0 (CKO)
G1 (CKI)
G2 (T1)
G3(Input only)
G4
G5
Internal
Oscillator
G port
general
purpose
I/O
with
multi-
input
wakeup
Low Battery/Brown-out
Detect
* 100nf Decoupling capacitor
recommended
Watchdog/
12-Bit Timer 0
ACEx
Control
Unit
64 bytes of DATA
EEPROM
Programming
Interface
1K bytes of CODE
EEPROM
16-Bit Timer 1
HALT/IDLE
Power saving
Modes
RAM block
64 bytes
1999 Fairchild Semiconductor Corporation
2
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ACE1101 Rev. C.8
ACE1101 Arithmetic Controller Engine (ACExTM) for Low Power Applications
Absolute Maximum Ratings
Ambient Storage Temperature
-65
C to +150C
Input Voltage not including G3
-0.3V to V
CC
+0.3V
G3 Input Voltage
0.3V to 13V
Lead Temperature (10s max)
+300
C
Electrostatic Discharge on all pins
2000V min
Operating Conditions
Ambient Operating Temperature:
ACE1101
0
C to 70C
ACE1101E
-40
C to +85C
Operating Supply Voltage:
From -40
C to 85C:
2.2V to 5.5V
See table for EEPROM write limits
Relative Humidity (non-condensing)
95%
ACE1101 DC Electrical Characteristics for V
CC
= 2.2 to 5.5V
All measurements valid for ambient operating temperature range unless otherwise stated.
Symbol
Parameter
Conditions
MIN
TYP
MAX
Units
I
CC
Supply Current
2.2V
0.5
1.0
mA
no EEPROM write in
3.3V
1.0
1.5
mA
progress
5.5V
1.6
2.0
mA
I
CCH
HALT Mode current
3.3V, -40
C to 25C
10
100
nA
5.5V, -40
C to 25C
200
1000
nA
3.3V, 25
C to +85C
50
1000
nA
5.5V, 25
C to +85C
400
2500
nA
3.3V, -40
C to +125C
350
5000
nA
5.5V, -40
C to +125C
1200
8000
nA
I
CCI
IDLE Mode Current
5.5V
120
250
A*
3.3V
100
150
A*
V
CCW
EEPROM Write Voltage
Code EEPROM in
4.5
5.0
5.5
V
Programming Mode
Data EEPROM in
2.4
5.5
V
Operating Mode
S
VCC
Power Supply Slope
1us/V
10ms/V
Inputs
V
IH
Logic High
0.8V
CC
V
V
IL
Logic Low
0.2 V
CC
V
I
IP
Input Pull-up Current
V
CC
=5.5V, V
IN
=0V
30
65
350
A
I
TL
TRI-STATE Leakage
V
CC
=5.5V
2
200
nA
V
OL
Output Low Voltage - V
OL
V
CC
= 3.3V 5.5V
G0, G1, G2, G4, G6, G7
5.0 mA sink
0.2 V
CC
V
G5
10.0 mA sink
0.2 V
CC
V
V
CC
= 2.2V 3.3V
3.0 mA sink
0.2 V
CC
V
5.0 mA sink
0.2 V
CC
V
V
OH
Output High Voltage - V
OH
V
CC
= 3.3V 5.5V
G0, G1, G2, G4, G6, G7
0.4 mA source
0.8 V
CC
V
G5
1.0 mA source
0.8 V
CC
V
V
CC
= 2.2V 3.3V
0.4 mA source
0.8 V
CC
V
0.8 mA source
0.8 V
CC
V
* Based on continuous IDLE looping.
3
www.fairchildsemi.com
ACE1101 Rev. C.8
ACE1101 Arithmetic Controller Engine (ACExTM) for Low Power Applications
Preliminary ACE1101 AC Electrical Characteristics for V
CC
= 2.2 to 5.5V
Parameter
Conditions
MIN
TYP
MAX
Units
Instruction cycle time from
5.0V at 25
C
0.9
1.00
1.1
s
internal clock - setpoint
Internal clock voltage dependent
3.0V to 5.5V,
5%
frequency variation
constant temperature
Internal clock temperature
3.0V to 5.5V,
10%
dependent frequency variation
full temperature range
Internal clock frequency
3.0V to 4.5V for
2%
deviation for 0.5V drop
ACE1101E, T=constant
Crystal oscillator frequency
(Note 1)
4
MHz
External clock frequency
(Note 2)
4
MHz
EEPROM write time
3
10
ms
Internal clock start up time
(Note 2)
2
ms
Oscillator start up time
(Note 2)
2400
cycles
Note 1: The maximum permissible frequency is guaranteed by design but not 100% tested.
Note 2: The parameter is guaranteed by design but not 100% tested.
ACE1101 Electrical Characteristics for programming
All data valid at ambient temperature between 4.5V and 5.5V. See "EEPROM write time" in the AC
characteristics for definition of the programming ready time. The following characteristics are guaranteed
by design but are not 100% tested.
Parameter
Description
MIN
MAX
Units
t
HI
CLOCK high time
500
DC
ns
t
LO
CLOCK low time
500
DC
ns
t
DIS
SHIFT_IN setup time
100
ns
t
DIH
SHIFT_IN hold time
100
ns
t
DOS
SHIFT_OUT setup time
100
ns
t
DOH
SHIFT_OUT hold time
900
ns
t
SV1
, t
SV2
LOAD supervoltage timing
50
us
t
LOAD1
, t
LOAD2
, t
LOAD3
, t
LOAD4
LOAD timing
5
us
V
SUPERVOLTAGE
Supervoltage level
11.5
12.5
V
4
www.fairchildsemi.com
ACE1101 Rev. C.8
ACE1101 Arithmetic Controller Engine (ACExTM) for Low Power Applications
Absolute Maximum Ratings
Ambient Storage Temperature
-65
C to +150C
Input Voltage not including G3
-0.3V to V
CC
+0.3V
G3 Input Voltage
0.3V to 13V
Lead Temperature (10s max)
+300
C
Electrostatic Discharge on all pins
2000V min
Operating Conditions
Ambient Operating Temperature:
ACE1101B
0
C to 70C
ACE1101BE
-40
C to +85C
ACE1101BV
-40
C to +125C
Operating Supply Voltage:
From -40
C to 125C:
2.7V to 5.5V
See table for EEPROM write limits
Relative Humidity (non-condensing)
95%
ACE1101B DC Electrical Characteristics for V
CC
= 2.7 to 5.5V
All measurements valid for ambient operating temperature range unless otherwise stated.
Symbol
Parameter
Conditions
MIN
TYP
MAX
Units
I
CC
Supply Current
2.7V
0.7
1.2
mA
no EEPROM write in
3.3V
1.0
1.5
mA
progress
5.5V
1.6
2.0
mA
I
CCH
HALT Mode current
3.3V, -40
C to 25C
10
100
nA
5.5V, -40
C to 25C
200
1000
nA
3.3V, 25
C to +85C
50
1000
nA
5.5V, 25
C to +85C
400
2500
nA
3.3V, -40
C to +125C
350
5000
nA
5.5V, -40
C to +125C
1200
8000
nA
I
CCI
IDLE Mode Current
5.5V
120
250
A*
3.3V
100
150
A*
V
CCW
EEPROM Write Voltage
Code EEPROM in
4.5
5.0
5.5
V
Programming Mode
Data EEPROM in
2.7
5.5
V
Operating Mode
S
VCC
Power Supply Slope
1us/V
10ms/V
Inputs
V
IH
Logic High
0.8V
CC
V
V
IL
Logic Low
0.2 V
CC
V
I
IP
Input Pull-up Current
V
CC
=5.5V, V
IN
=0V
30
65
350
A
I
TL
TRI-STATE Leakage
V
CC
=5.5V
2
200
nA
V
OL
Output Low Voltage - V
OL
V
CC
= 3.3V 5.5V
G0, G1, G2, G4, G6, G7
5.0 mA sink
0.2 V
CC
V
G5
10.0 mA sink
0.2 V
CC
V
V
CC
= 2.7V 3.3V
3.0 mA sink
0.2 V
CC
V
5.0 mA sink
0.2 V
CC
V
V
OH
Output High Voltage - V
OH
V
CC
= 3.3V 5.5V
G0, G1, G2, G4, G6, G7
0.4 mA source
0.8 V
CC
V
G5
1.0 mA source
0.8 V
CC
V
V
CC
= 2.7V 3.3V
0.4 mA source
0.8 V
CC
V
0.8 mA source
0.8 V
CC
V
* Based on continuous IDLE looping.
5
www.fairchildsemi.com
ACE1101 Rev. C.8
ACE1101 Arithmetic Controller Engine (ACExTM) for Low Power Applications
Preliminary ACE1101B AC Electrical Characteristics for V
CC
= 2.7 to 5.5V
Parameter
Conditions
MIN
TYP
MAX
Units
Instruction cycle time from
5.0V at 25
C
0.9
1.00
1.1
s
internal clock - setpoint
Internal clock voltage dependent
3.0V to 5.5V,
5%
frequency variation
constant temperature
Internal clock temperature
3.0V to 5.5V,
10%
dependent frequency variation
full temperature range
Internal clock frequency
3.0V to 4.5V for
2%
deviation for 0.5V drop
ACE1101BE, T=constant
Crystal oscillator frequency
(Note 1)
4
MHz
External clock frequency
(Note 2)
4
MHz
EEPROM write time
3
10
ms
Internal clock start up time
(Note 2)
2
ms
Oscillator start up time
(Note 2)
2400
cycles
Note 1: The maximum permissible frequency is guaranteed by design but not 100% tested.
Note 2: The parameter is guaranteed by design but not 100% tested.
ACE1101B Electrical Characteristics for programming
All data valid at ambient temperature between 4.5V and 5.5V. See "EEPROM write time" in the AC
characteristics for definition of the programming ready time. The following characteristics are guaranteed
by design but are not 100% tested.
Parameter
Description
MIN
MAX
Units
t
HI
CLOCK high time
500
DC
ns
t
LO
CLOCK low time
500
DC
ns
t
DIS
SHIFT_IN setup time
100
ns
t
DIH
SHIFT_IN hold time
100
ns
t
DOS
SHIFT_OUT setup time
100
ns
t
DOH
SHIFT_OUT hold time
900
ns
t
SV1
, t
SV2
LOAD supervoltage timing
50
us
t
LOAD1
, t
LOAD2
, t
LOAD3
, t
LOAD4
LOAD timing
5
us
V
SUPERVOLTAGE
Supervoltage level
11.5
12.5
V
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