MC68HC705J1A Oscillator Frequency - Motorola

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MC68HC705J1A

Manufacturer Part Number
MC68HC705J1A
Description
Manufacturer
Motorola
Datasheet

Specifications of MC68HC705J1A

Case
DIP-20L
10.13 3.3-Volt Control Timing
Characteristic

Oscillator frequency

Crystal oscillator option
External clock source
Internal operating frequency (f
osc
Crystal oscillator
External clock
Cycle time (1
f
)
OP
RESET pulse width low
IRQ interrupt pulse width low (edge-triggered)
IRQ interrupt pulse width low (edge- and level-triggered)
PA0–PA3 interrupt pulse width high (edge-triggered)
PA0–PA3 interrupt pulse width (edge- and level-triggered)
OSC1 pulse width
1. V
= 3.3 Vdc
10%, V
= 0 Vdc, T
DD
SS
2. The maximum width, t
or t
ILIL
ILIH
routine plus 19 t
or the interrupt service routine will be re-entered.
cyc
MC68HC705J1A — Rev. 4.0
MOTOROLA
(1)
2)
= –40 C to +105 C, unless otherwise noted
A
, should not be more than the number of cycles it takes to execute the interrupt service
Electrical Specifications
Electrical Specifications
3.3-Volt Control Timing
Symbol
Min
Max
f
2.0
osc
dc
2.0
f
1.0
op
dc
1.0
t
1000
cyc
t
1.5
RL
t
1.5
ILIH
t
(2)
1.5
Note
ILIL
t
1.5
IHIL
(2)
t
1.5
Note
IHIH
t
, t
400
OH
OL
Technical Data
Unit
MHz
MHz
ns
t
cyc
t
cyc
t
cyc
t
cyc
t
cyc
ns
127

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