str712 STMicroelectronics, str712 Datasheet - Page 42

• Manufacturer Part Number: str712
• Description: 144/64-pin Arm7tdmi Mcu With Up To 256kb Flash, 64kb Ram And Emi
• Manufacturer: STMicroelectronics

Electrical parameters
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Table 19.
Notes:
1. Data based on design simulation and/or technology characteristics, not tested in production.
DuCy(RTCXT1)
C
t
t
V
V
t
t
w(RTCXT1)
w(RTCXT1)
Symbol
r(RTCXT1)
IN(RTCXT1)
f(RTCXT1)
f
RTCXT1H
RTCXT1
RTCXT1L
I
L
RTCXT1 external clock characteristics
External clock source
frequency
RTCXT1 input pin high level
voltage
RTCXT1 input pin low level
voltage
RTCXT1 high or low time
RTCXT1 rise or fall time
RTCXT1 input
capacitance
Duty cycle
RTCXT1 Input leakage
current
Parameter
1)
1)
1)
V
Conditions
SS
≤V
IN
≤V
33
0.7xV
Min
V
100
30
0
SS
33
Typ
5
0.3xV
Max
500
V
±1
70
5
33
33
STR71xF
Unit
kHz
µA
pF
ns
%
V