ST7260E1 STMicroelectronics, ST7260E1 Datasheet - Page 116

• Manufacturer Part Number: ST7260E1
• Description: LOW SPEED USB 8-BIT MCU FAMILY WITH UP TO 8K FLASH/ROM AND SERIAL COMMUNICATION INTERFACE (SCI)
• Manufacturer: STMicroelectronics

Specifications of ST7260E1

• 4 Or 8 Kbytes Program Memory: high density Flash (HDFlash), or FastROM with readout and write protection

Electrical characteristics
16.5.3
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External clock source
Table 63.
1. Data based on design simulation and/or technology characteristics, not tested in production.
Figure 48. Typical application with an external clock source
Figure 49. Typical application with a crystal resonator
t
t
V
V
w(OSCINH)
w(OSCINL)
V
Symbol
V
t
t
OSCINH
OSCINL
r(OSCIN)
f(OSCIN)
OSCINH
OSCINL
I
L
EXTERNAL
CLOCK SOURCE
OSCIN input pin high level
voltage
OSCIN input pin low level
voltage
OSCIN high or low time
OSCIN rise or fall time
OSCx Input leakage
current
External clock characteristics
C
L2
t
r(OSCIN)
C
Parameter
L1
RESONATOR
t
f(OSCIN)
(1)
(1)
OSCOUT
OSCIN
90%
10%
see
V
SS
Conditions
≤V
Figure 48
OSCIN
OSCOUT
IN
≤V
DD
t
Not connected internally
w(OSCINH)
R
F
0.7xV
IL
Min
V
15
SS
t
w(OSCINL)
DD
i
2
f
OSC
Typ
ST72XXX
0.3xV
Max
V
15
±1
DD
ST72XXX
f
OSC
DD
ST7260xx
Unit
μA
ns
V