Ac Characteristics - Renesas H8S Series Hardware Manual

22.6.3

AC Characteristics

Figure 22-67 show, the test conditions for the AC characteristics.
LSI output pin
(1) Clock Timing
Table 22-26 lists the clock timing
Table 22-26 Clock Timing
Condition A: V = 2.7 to 5.5 V, AV
CC
V = AV
SS
T = –40 to +85°C (wide-range specifications)
a
= 5.0 V ± 10%, AV
Condition B: V
CC
V = AV
SS
T = –40 to +85°C (wide-range specifications)
a
Condition C: V = 3.0 to 5.5 V, AV
CC
V = AV
SS
T = –40 to +85°C (wide-range specifications)
a
Item
Clock cycle time
Clock high pulse width
Clock low pulse width
Clock rise time
Clock fall time
Clock oscillator setting
time at reset (crystal)
Clock oscillator setting time
in software standby (crystal)
External clock output
stabilization delay time
Rev.6.00 Oct.28.2004 page 734 of 1016
REJ09B0138-0600H
C
Figure 22-67 Output Load Circuit
= 2.7 to 5.5 V, V
CC
= 0 V, ø = 2 to 10 MHz, T
SS
= 5.0 V ± 10%, V
CC
= 0 V, ø = 2 to 20 MHz, T
SS
= 3.0 to 5.5 V, V
CC
= 0 V, ø = 2 to 13 MHz, T
SS
Symbol Min
t
cyc
t
CH
t
CL
t
Cr
t
Cf
t
OSC1
t
OSC2
t
DEXT
5 V
R
L
R
H
= 2.7 V to AV
ref CC
= –20 to +75°C (regular specifications),
a
= 4.5 V to AV
ref
= –20 to +75°C (regular specifications),
a
= 3.0 V to AV
ref CC
= –20 to +75°C (regular specifications),
a
Condition A Condition B Condition C
Max Min Max
100 500 50 500
35 — 20 —
35 — 20 —
— 15 — 5
— 15 — 5
20 — 10 —
20 — 10 —
500 — 500 —
C = 90 pF: Ports 1, A to F
C = 30 pF: Ports 2, 3, 5, 6, G
R = 2.4 kΩ
L
R = 12 kΩ
H
I/O timing test levels
• Low level: 0.8 V
• High level: 2.0 V
,
,
CC
,
Test
Min Max Unit Conditions
76 500 ns Figure 22-68
23 — ns
23 — ns
— 15 ns
— 15 ns
20 — ms Figure 22-69
20 — ms Figure 21-2
µs
500 — Figure 22-69