HD404369 Datasheet, PDF (110/117 Pages) Hitachi Semiconductor – 4-bit HMCS400-Series microcomputer

HD404369 Series
High-Speed f_OSC = 8.5 MHz Version AC Characteristics (HD407A4369: V_CC = 2.7 to 5.5 V, GND = 0
V, T_a = –20 to +75°C; HD40A4364/HD40A4368/HD40A43612/HD40A4369: V _CC = 2.7 to 6.0 V, GND
= 0 V, T_a = –20 to +75°C)
Item
Clock oscillation
frequency
Instruction cycle
time
Symbol Pins
Min
f _OSC
OSC₁, OSC₂ 0.4
0.4
X1, X2
—
t _cyc
0.8
t _subcyc
0.47
—
—
Oscillation
t _RC
stabilization time
(ceramic oscillator)
Oscillation
t _RC
stabilization time
(ceramic oscillator)
External clock high t_CPH
width
External clock low t_CPL
width
External clock rise t_CPr
time
External clock fall t_CPf
time
INT₀, INT₁, EVNB t_IH
high widths
INT₀, INT₁, EVNB t_IL
low widths
OSC₁, OSC₂ —
OSC₁, OSC₂ —
X1, X2
—
OSC₁
80
47
OSC₁
80
47
OSC₁
—
—
OSC₁
—
—
INT₀, INT₁,
2
EVNB
INT₀, INT₁,
2
EVNB
Typ Max
4
5.0
4
8.5
32.768 —
1
10
1
10
244.14 —
122.07 —
—
7.5
—
40
—
2
—
—
—
—
—
—
—
—
—
20
—
15
—
20
—
15
—
—
—
—
Unit
MHz
MHz
kHz
µs
µs
µs
µs
ms
ms
s
ns
ns
ns
ns
ns
ns
ns
ns
t _cyc /
t _subcyc
t _cyc /
t _subcyc
Test Condition
1/4 system clock
division ratio
Notes
1
2, 3
1
2, 3
32-kHz oscillator,
1/8 system clock
division ratio
32-kHz oscillator,
1/4 system clock
division ratio
4
4
4
5
3, 5
5
3, 5
5
3, 5
5
3, 5
6
6
108