Datasheet

Section 27 Electrical Characteristics
Rev. 6.00 Mar. 18, 2010 Page 937 of 982
REJ09B0054-0600
27.6.3 AC Characteristics
Figure 27.9 shows the test conditions for the AC characteristics.
(1) Clock Timing
Table 27.53 lists the clock timing.
Table 27.53 Clock Timing
Condition A (ZTAT version): V
CC
= 2.7 V to 3.6 V, AV
CC
= 2.7 V to 3.6 V,
V
ref
= 2.7 V to AV
CC
, V
SS
= AV
SS
= 0 V,
φ = 32.768 kHz, 2 to 10 MHz,
T
a
= –20°C to +75°C (regular specifications),
T
a
= –40°C to +85°C (wide-range specifications)
Condition B (F-ZTAT version, masked ROM version):
V
CC
= 2.7 V to 3.6 V, AV
CC
= 2.7 V to 3.6 V,
V
ref
= 2.7 V to AV
CC
, V
SS
= AV
SS
= 0 V,
φ = 32.768 kHz, 2 to 13.5MHz,
T
a
= –20°C to +75°C (regular specifications),
T
a
= –40°C to +85°C (wide-range specifications)
Condition C (Masked ROM version): V
CC
= 2.2 V to 3.6 V, AV
CC
= 2.2 V to 3.6 V,
V
ref
= 2.2 V to AV
CC
, V
SS
= AV
SS
= 0 V,
φ = 32.768 kHz, 2 to 6.25 MHz,
T
a
= –20°C to +75°C (regular specifications),
T
a
= –40°C to +85°C (wide-range specifications)
Condition A
Condition B Condition C
Item Symbol Min Max Min Max Min Max Unit
Test
Conditions
Clock cycle time t
cyc
100 500 74 500 160 500 ns
Clock high pulse width t
CH
35 ⎯ 25 ⎯ 50 ⎯ ns
Clock low pulse width t
CL
35 ⎯ 25 ⎯ 50 ⎯ ns
Clock rise time t
Cr
⎯ 15 ⎯ 10 ⎯ 25 ns
Clock fall time t
Cf
⎯ 15 ⎯ 10 ⎯ 25 ns
Figure 27.10
Oscillation stabilization
time at reset (crystal)
t
OSC1
20 ⎯ 20 ⎯ 40 ⎯ ms Figure 27.11
Oscillation stabilization
time in software standby
(crystal)
t
OSC2
8 ⎯ 8 ⎯ 16 ⎯ ms