HD404328 Datasheet, PDF (87/96 Pages) Hitachi Semiconductor – 4 BIT SINGLE CHIP MICROCOMPUTER

HD404328 Series
AC Characteristics (HD404324, HD404326, HD404328: V_CC = 2.7 V to 6.0 V, GND = 0.0 V, T_a =
–20°C to +75°C; HD404324U, HD404326U, HD404328U: V_CC = 2.7 V to 6.0 V, GND = 0.0 V, T_a =
–40°C to +85°C; HD4074329, HD4074329U: V_CC = 2.9 V to 5.5 V, GND = 0.0 V, T_a = –20°C to +75°C;
unless otherwise specified)
Item
Symbol Pin(s)
Clock oscillation frequency f_OSC
OSC₁, OSC₂
Instruction cycle time
t_cyc
Oscillation stabilization
t_RC
time(crystal)
X1, X2
OSC₁, OSC₂
Oscillation stabilization
t_RC
time(ceramic)
OSC₁, OSC₂
Oscillation stabilization
t_RC
time
External clock high width t_CPH
External clock low width t_CPL
External clock rise time t_CPr
External clock fall time
t_CPf
INT₀, INT₁, EVENT high t_IH
width
INT₀, INT₁, EVENT width t_IL
X1, X2
OSC₁
OSC₁
OSC₁
OSC₁
INT₀, INT₁,
EVENT
INT₀, INT₁,
EVENT
Min Typ Max
0.4 4.0 4.5
0.4 4.0 4.5
— 32.768 —
—2
—
— — 40
— — 60
— — 20
— — 60
——3
Unit Test Conditions
MHz 1/8 division,
32 kHz used
MHz 1/8 division used,
32 kHz not used
kHz
µs f_OSC = 4 MHz
ms HD404324,
HD404324U,
HD404326,
HD404326U,
HD404328,
HD404328U:
V_CC = 3.5 V to 6.0 V
HD4074329,
HD4074329U:
V_CC = 3.5 V to 5.5 V
ms
ms HD404324,
HD404324U,
HD404326,
HD404326U,
HD404328,
HD404328U:
V_CC = 3.5 V to 6.0 V
HD4074329,
HD4074329U:
V_CC = 3.5 V to 5.5 V
ms
s
Note
1
2
2
2
2
3
90 — —
ns
4
90 — —
ns
4
— — 20
ns
4
— — 20
ns
4
2
——
t_cyc /
5
t_subcyc
2
——
t_cyc /
5
t_subcyc
85