ST72T774J9B1 STMicroelectronics, ST72T774J9B1 Datasheet - Page 134

• Manufacturer Part Number: ST72T774J9B1
• Manufacturer: STMicroelectronics

Specifications of ST72T774J9B1

• Cpu Family: ST7
• Device Core Size: 8b
• Frequency (max): 24MHz
• Interface Type: I2C/USB
• Program Memory Type: EPROM
• Program Memory Size: 60KB
• Total Internal Ram Size: 1KB
• # I/os (max): 31
• Number Of Timers - General Purpose: 1
• Operating Supply Voltage (typ): 5V
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (min): 4V
• On-chip Adc: 1-chx8-bit
• On-chip Dac: 1-chx8-bit
• Instruction Set Architecture: CISC
• Operating Temp Range: 0C to 70C
• Operating Temperature Classification: Commercial
• Mounting: Through Hole
• Pin Count: 42
• Package Type: SPDIP
• Lead Free Status / Rohs Status: Specific Sites Compliant

ST72774/ST727754/ST72734
6.2 AC/DC ELECTRICAL CHARACTERISTICS
(T
Note 1: HALT mode no longer exists.
Note 2: The USB cell must be put in suspend mode as well as the MCU in HALT mode. Since the latter no longer exists
for enhanced arcing protection, the measurement of the USB suspend consumption parameter is no longer relevant.
Note: : The minimum period t
134/144
Symbol
t
A
t
t
OXOV
POWL
t
t
Symbol
f
PORL
f
t
DOG
CPU
t
t
DDR
= 0 to +70°C unless otherwise specified)
OSC
ILIL
BU
RL
V
I
DD
DD
routine plus 21 cycles.
Frequency of Operation:
external frequency
internal frequency
internal frequency
Startup Time Built-Up Time
External RESET
Input pulse Width
Internal Power Reset Duration
Watchdog RESET
Output Pulse Width
Watchdog Time-out
Interrupt Pulse Period
Crystal Oscillator
Start-up Time
Power up rise time
USB Suspend mode (see Note 2)
CPU HALT mode (see Note 1)
Operating Supply Voltage
Parameter
CPU WAIT mode
CPU RUN mode
Parameter
ILIL
should not be less than the number of cycle times it takes to execute the interrupt service
Crystal Resonator
f
V
CONTROL TIMING
CPU
DD
RUN & WAIT mode
= 8 MHz
GENERAL
min
I/O in input mode
Conditions
f
f
f
OSC
OSC
CPU
Conditions
T
V
A
= 24MHz
=12MHz
DD
= 20
= 8 MHz,
= 5V
°
C
49152
1000
4096
Min
500
6
1
Min
4.0
Value
Typ.
(1)
8
Typ.
14
12
5
N/A
N/A
3145728
Max
384
100
24
20
50
8
4
Max
5.5
18
18
MHz
Unit
t
t
t
ms
ms
ms
ms
CPU
CPU
CPU
ns
ns
Unit
mA
mA
V