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M16C/6N Group (M16C/6NK, M16C/6NM)
Timing Requirements
(Referenced to VCC = 5V, VSS = 0V, at Topr = –40 to 85°C unless otherwise specified)
Table 22.11 External Clock Input (XIN Input)
Symbol
t
External Clock Input Cycle Time
C
t
External Clock Input HIGH Pulse Width
w(H)
t
External Clock Input LOW Pulse Width
w(L)
t
External Clock Rise Time
r
t
External Clock Fall Time
f
Table 22.12 Memory Expansion Mode and Microprocessor Mode
Symbol
t
Data input access time (for setting with no wait)
ac1(RD-DB)
t
Data input access time (for setting with wait)
ac2(RD-DB)
t
Data input access time (when accessing multiplexed bus area)
ac3(RD-DB)
t
Data input setup time
su(DB-RD)
________
t
RDY input setup time
su(RDY-BCLK)
__________
t
HOLD input setup time
su(HOLD-BCLK)
t
Data input hold time
h(RD-DB)
________
t
RDY input hold time
h(BCLK-RDY)
__________
t
HOLD input hold time
h(BCLK-HOLD)
NOTES:
1. Calculated according to the BCLK frequency as follows:
0.5 ✕ 10
9
– 45 [ns]
f(BCLK)
2. Calculated according to the BCLK frequency as follows:
(n –0.5) ✕ 10
f(BCLK)
3. Calculated according to the BCLK frequency as follows:
(n –0.5) ✕ 10
f(BCLK)
Rev.2.00
Nov 28, 2005
REJ09B0124-0200
Parameter
Parameter
9
– 45 [ns]
n is "2" for 1-wait setting, "3" for 2-wait setting and "4" for 3-wait setting.
9
– 45 [ns]
n is "2" for 2-wait setting, "3" for 3-wait setting.
page 299 of 378
22. Electric Characteristics (Normal-ver.)
Standard
Min.
Max.
62.5
25
25
Standard
Min.
Max.
(NOTE 1)
(NOTE 2)
(NOTE 3)
40
30
40
0
0
0
VCC = 5V
Unit
ns
ns
ns
15
ns
15
ns
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
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