HD404459 Datasheet, PDF (115/122 Pages) Renesas Technology Corp – 4-bit HMCS400-series microcomputers

HD404459 Series
AC Characteristics
HD404458, HD404459: V_CC = 1.8 to 3.6 V, GND = 0 V, T_a = –20 to +75°C, f_OSC = 0.4 to 4.0 MHz
HD4074459: V_CC = 2.2 to 2.7 V, GND = 0 V, T_a = –5 to +60°C, f_OSC = 0.4 to 2.0 MHz;
V_CC = 2.7 to 3.6 V, GND = 0 V, T_a = –20 to +75°C, f_OSC = 0.4 to 4.0 MHz, unless otherwise specified.
Item
Symbol Pin(s)
Min Typ Max Unit Test Condition
Notes
Clock oscillation f_OSC
frequency
OSC₁, OSC₂ 0.4 —
4.0 MHz HD404458, HD404459:
1/4division,
V_CC = 1.8 V to 3.6 V
HD4074459:
1/4 division,
0.4 —
V_CC = 2.7 V to 3.6 V
2.0 MHz HD4074459:
1/4 division,
X1, X2
V_CC = 2.2 V to 2.7 V
— 32.768 — kHz —
Instruction cycle t_cyc
—
time
1.0 —
10 µs HD404458, HD404459:
1/4 division,
V_CC = 1.8 V to 3.6 V
HD4074459:
1/4 division,
2.0 —
V_CC = 2.7 V to 3.6 V
10 µs HD4074459:
1/4 division,
t _subcyc
—
V_CC = 2.2 V to 2.7 V
— 244.14 — µs 32-kHz oscillator,
1/8 division
— 122.07 — µs 32-kHz oscillator,
1/4 division
Oscillation
t _RC
OSC₁, OSC₂ — —
60 ms —
1
stabilization time
(ceramic oscillator)
Oscillation
t _RC
OSC₁, OSC₂ — —
60 ms —
1
stabilization time
(crystal oscillator)
External clock high t_CPH
width
X1, X2
OSC₁
——
105 —
3
s
T_a = –10°C to+60°C 2
— ns f_OSC = 4 MHz
3
External clock low t_CPL
OSC₁
105 —
— ns f_OSC = 4 MHz
3
width
113