Ac Characteristics (5 V, Cpu Operates At Half Of The External Clock Frequency) - Hitachi H8/3152 Hardware Manual

12.2.2

AC Characteristics (5 V, CPU operates at half of the external clock frequency)

Conditions: V = 4.5 to 5.5 V, V
CC
Item
Clock cycle time H8/3153
Except
H8/3153
Clock high width
Clock low width
Clock fall time
Clock rise time
I/O port input fall time
I/O port input rise time
RES pulse width
Power-on time
Power-off time
EEPROM write time
Clock hold time
Clock setup time
Interrupt pulse width (IRQ)
Note: * It is assumed that there is no noise on the CLK pin, and the rise and fall of CLK are
straightforward.
110
= 0 V, T = –25 to +85°C, unless otherwise specified.
SS a
Symbol Min
t 0.2
cyc
t 0.1
cyc
t 0.4
CH
t 0.4
CL
t —
Cf
t —
Cr
t —
f
t —
r
t 20
RWL
t 0
on
t 0
off
t —
EPW
—
t 20
CLKH
t 20
CLKS
t 200
IRQW
Typ Max Unit
µs
— 1.0
— 1.0
— 0.6 t
cyc
— 0.6
— 0.09*
— 0.09*
µs
— 1.0
— 1.0
— — t
cyc
— — ms
— — ms
— 10 ms
— 5 ms
— — t
cyc
— — t
cyc
— — ns
Test Conditions
Figure 12.1
Figure 12.1
Figure 12.2
Figure 12.3
Figure 12.3
Figure 12.3
Rewrite
Erase, overwrite
Figure 12.4
Figure 12.4
Figure 12.4