ST72344S4 STMicroelectronics, ST72344S4 Datasheet - Page 212

• Manufacturer Part Number: ST72344S4
• Description: 8-bit MCU
• Manufacturer: STMicroelectronics

Specifications of ST72344S4

• Up To 16 Kbytes Program Memory: single voltage extended Flash (XFlash) with readout and write protection, in-circuit and inapplication programming (ICP and IAP). 10K write/erase cycles guaranteed, data retention
• 256 Bytes Data Eeprom With Readout Protection. 300k Write/erase Cycles Guaranteed, Data Retention: 20 years at 55 °C.
• Clock Sources: crystal/ceramic resonator oscillators, high-accuracy internal RC oscillator or external clock
• 5 Power-saving Modes: Slow, Wait, Halt, Auto-wakeup from Halt and Active-halt
• 16-bit Timer A With: 1 input capture, 1 output compares, external clock input, PWM and pulse generator modes
• 16-bit Timer B With: 2 input captures, 2 output compares, PWM and pulse generator modes

Electrical characteristics
13.7
212/247
Memory characteristics
T
Table 100. RAM and hardware registers
1. Minimum V
Table 101. Flash program memory
1. Up to 32 bytes can be programmed at a time.
2. Data based on reliability test results and monitored in production.
3. The data retention time increases when the T
4. Design target value pending full product characterization.
5. Guaranteed by Design. Not tested in production.
Table 102. EEPROM data memory
1. Data based on reliability test results and monitored in production.
2. The data retention time increases when the T
3. Design target value pending full product characterization.
Symbol
A
Symbol
Symbol
N
t
V
N
= –40°C to 85°C, unless otherwise specified.
t
t
V
hardware registers (only in Halt mode). Guaranteed by construction, not tested in production.
prog
V
t
I
prog
RET
ret
DD
DD
RW
RW
DD
RM
Operating voltage for
EEPROM write/erase
Programming time for
1~32 bytes
Data retention
Write erase cycles
Operating voltage for
Flash write/erase
Programming time for
1~32 bytes
Data retention
Write erase cycles
Supply current
Data retention mode
DD
supply voltage without losing data stored in RAM (in Halt mode or under reset) or in
Parameter
Parameter
Parameter
(1)
(1)
(2)
(5)
(1)
Doc ID 12321 Rev 5
Refer to operating range of
V
page 202
T
T
T
Read / Write / Erase modes
f
No Read/No Write Mode
Power down mode / Halt
CPU
A
A
A
DD
=− 40 to +85°C
=+55°C
=+25°C
Refer to operating range of
V
General operating conditions
on page 202
T
T
T
Halt mode (or reset)
A
A
A
with T
DD
= 8 MHz, V
=− 40 to +85°C
=+55°C
=+25°C
with T
A
A
Conditions
Conditions
(3)
decreases.
decreases.
A,
Conditions
Table 87 on
A,
(2)
Table 87:
DD
= 5.5V
Min
1.6
10K
Min
2.7
20
300K
Min
(4)
2.7
20
(3)
Typ
ST72344xx ST72345xx
Typ
5
0
Typ
5
Max
Max
100
5.5
2.6
0.1
Max
10
5.5
10
cycles
cycles
Unit
years
years
Unit
Unit
mA
V
ms
ms
µA
µA
V
V