Datasheet

Section 27 Electrical Characteristics
Rev. 6.00 Mar. 18, 2010 Page 874 of 982
REJ09B0054-0600
(1) Clock Timing
Table 27.17 lists the clock timing.
Table 27.17 Clock Timing
Condition A (F-ZTAT version and 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 16.0 MHz, T
a
= –20°C to +75°C (regular
specifications)
Condition B (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 C (F-ZTAT version and masked ROM version):
V
CC
= 3.0 V to 3.6 V, AV
CC
= 3.0 V to 3.6 V,
V
ref
= 3.0 V to AV
CC
, V
SS
= AV
SS
= 0 V, φ = 32.768 kHz,
10.0 to 20.0 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
Test
Item Symbol Min Typ Max Min Typ Max Min Typ Max Unit Conditions
Clock cycle
time
t
cyc
62.5 ⎯ 500 160 ⎯ 500 50 ⎯ 100 ns
Clock high
pulse width
t
CH
20 ⎯ ⎯ 50 ⎯ ⎯ 17 ⎯ ⎯ ns
Clock low
pulse width
t
CL
20 ⎯ ⎯ 50 ⎯ ⎯ 17 ⎯ ⎯ ns
Clock rise
time
t
Cr
⎯ ⎯ 10 ⎯ ⎯ 25 ⎯ ⎯ 10 ns
Clock fall time t
Cf
⎯ ⎯ 10 ⎯ ⎯ 25 ⎯ ⎯ 10 ns
Figure
27.10
Oscillation
stabilization
time at reset
(crystal)
t
OSC1
20 ⎯ ⎯ 40 ⎯ ⎯ 20 ⎯ ⎯ ms Figure
27.11