ST72T631K4M1 STMicroelectronics, ST72T631K4M1 Datasheet - Page 100

• Manufacturer Part Number: ST72T631K4M1
• Description: Microcontrollers (MCU) OTP EPROM 16K USB/SC
• Manufacturer: STMicroelectronics

Specifications of ST72T631K4M1

• Data Bus Width: 8 bit
• Program Memory Type: EPROM
• Program Memory Size: 16 KB
• Data Ram Size: 512 B
• Interface Type: I2C, SCI, USB
• Maximum Clock Frequency: 8 MHz
• Number Of Programmable I/os: 19
• Number Of Timers: 2
• Operating Supply Voltage: 4 V to 5.5 V
• Maximum Operating Temperature: + 70 C
• Mounting Style: SMD/SMT
• Package / Case: SO-34
• Minimum Operating Temperature: 0 C
• On-chip Adc: 8 bit
• Lead Free Status / Rohs Status: No

ST7263
COMMUNICATION INTERFACE CHARACTERISTICS (Cont’d)
Figure 44. USB: Data signal Rise and fall time
100/109
Note1: Measured from 10% to 90% of the data signal. For more detailed informations, please refer to Chapter 7 (Elec-
trical) of the USB specification (version 1.1).
USB: Low speed electrical characteristics
Rise/ Fall Time matching
Output signal Crossover
Driver characteristics:
V
VCRS
SS
Data Lines
Differential
Parameter
Rise time
Fall Time
Voltage
tf
Crossover
Symbol
VCRS
points
trfm
tr
tf
tr
Note 1, CL=600 pF
Note 1, CL=600 pF
Note 1, CL=50 pF
Note 1,CL=50 pF
Conditions
tr/tf
Min
1.3
75
75
80
Max
300
300
120
2.0
Unit
ns
ns
ns
ns
%
V