ST72344S4 STMicroelectronics, ST72344S4 Datasheet - Page 231

• 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

ST72344xx ST72345xx
Table 117. 48-pin low profile quad flat package mechanical data
1. Values in inches are converted from mm and rounded to 4 decimal digits.
Table 118. Thermal characteristics
1. Values given for a 4-layer board. P
2. The maximum chip-junction temperature is based on technology characteristics.
3. The maximum power dissipation is obtained from the formula P
Symbol
P
T
R
The power dissipation of an application can be defined by the user with the formula: P
where P
ports used in the application.
Dmax
Dim.
Jmax
thJA
D1
A1
A2
E1
L1
A
C
D
E
N
b
e
θ
L
INT
Package thermal resistance (junction to ambient)
Maximum junction temperature
Power dissipation
is the chip internal power (I
0.05
1.35
0.17
0.09
0.45
Min
0°
(3)
1.40
0.22
0.60
9.00
7.00
9.00
7.00
0.50
1.00
mm
Typ
3.5°
Doc ID 12321 Rev 5
Dmax
DD
Ratings
computed for T
x V
1.45
Max
1.60
0.15
0.27
0.20
0.75
DD
(2)
7°
) and P
Number of pins
PORT
A
= 125 °C.
0.0020
0.0531
0.0067
0.0035
0.0177
48
is the port power dissipation depending on the
Min
0°
D
= (T
LQFP32
LQFP44
LQFP48
LQFP32
LQFP44
LQFP48
J
-T
A
) / R
inches
0.0551
0.0087
0.3543
0.2756
0.3543
0.2756
0.0197
0.0236
0.0394
Package characteristics
thJA
3.5°
Typ
.
Value
(1)
D
150
415
460
340
60
54
73
=P
INT
(1)
+P
PORT
0.0630
0.0059
0.0571
0.0106
0.0079
0.0295
Max
7°
°C/W
231/247
Unit
mW
°C