ST7263BK4 STMicroelectronics, ST7263BK4 Datasheet - Page 156

• Manufacturer Part Number: ST7263BK4
• Description: LOW SPEED USB 8-BIT MCU FAMILY WITH UP TO 32K FLASH/ROM, DFU CAPABILITY, 8-BIT ADC, WDG, TIMER, SCI and I2C
• Manufacturer: STMicroelectronics

Specifications of ST7263BK4

• 4, 8, 16 Or 32 Kbytes Program Memory: high density Flash (HDFlash), FastROM or ROM with Read-Out and Write protection

Electrical characteristics
13.9
Table 72.
1. Hysteresis voltage between Schmitt trigger switching levels. Based on characterization results, not tested.
2. The I
3. The R
4. To guarantee the reset of the device, a minimum pulse has to be applied to RESET pin. All short pulses applied on RESET
156/186
t
w(RSTL)out
t
Symbol
h(RSTL)in
ports and control pins) must not exceed I
tested in production.
pin with a duration below t
R
V
V
V
V
hys
OL
ON
IH
IL
IO
ON
current sunk must always respect the absolute maximum rating specified in
pull-up equivalent resistor is based on a resistive transistor. This data is based on characterization results, not
Input high level voltage
Input low voltage
Schmitt trigger voltage
hysteresis
Output low level voltage
Weak pull-up equivalent resistor
(3)
Generated reset pulse duration
External reset pulse hold time
Figure 72. |V
Control pin characteristics
Subject to general operating conditions for V
Asynchronous RESET pin
(1)
Parameter
h(RSTL)in
DD
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
-V
can be ignored.
0
OH
(2)
4
| @ I
VSS
(4)
.
IO
4.2
=10 mA (high current)
V
V
External pin or
internal reset sources
DD
IN
Doc ID 7516 Rev 8
=
=5 V
V
4.4
SS
Conditions
|Vdd - Voh| (V) at Iio=-10mA
I
I
V
IO
IO
DD
4.6
=5 mA
=7.5 mA
=5 V
DD
Vdd (V)
, f
CPU
4.8
, and T
0.7xV
V
Min
50
5
5
SS
-
-
-
-
Section 13.2
DD
A
unless otherwise specified.
5.2
Typ
400
80
30
6
-
-
-
-
-
and the sum of I
5.4
ai17706
-
-
0.3xV
Max
V
100
0.8
1.3
DD
D
-
D
ST7263Bxx
IO
1/f
Unit
(I/O
SFOSC
mV
kΩ
µs
µs
V
V
V