M16C/62P Group (M16C/62P, M16C/62PT)
5. Electrical Characteristics
VCC1=VCC2=3V
Timing Requirements
(VCC1 = VCC2 = 3V, VSS = 0V, at Topr = −20 to 85°C / −40 to 85°C unless otherwise specified)
(1)
Table 5.32
External Clock Input (XIN input)
Standard
Symbol
Parameter
Unit
Min.
Max.
tc
External Clock Input Cycle Time
External Clock Input HIGH Pulse Width
External Clock Input LOW Pulse Width
External Clock Rise Time
(NOTE 2)
(NOTE 3)
(NOTE 3)
ns
ns
ns
ns
ns
tw(H)
tw(L)
tr
(NOTE 4)
(NOTE 4)
tf
External Clock Fall Time
NOTES:
1. The condition is VCC1=VCC2=2.7 to 3.0V.
2. Calculated according to the VCC1 voltage as follows:
10–6
--------------------------------------- [ns]
20 × VCC2 – 44
3. Calculated according to the VCC1 voltage as follows:
10–6
20 × VCC1 – 44
---------------------------------------
× 0.4 [ns]
4. Calculated according to the VCC1 voltage as follows:
–10 × VCC1 + 45 [ns]
Table 5.33
Memory Expansion Mode and Microprocessor Mode
Standard
Symbol
Parameter
Unit
Min.
Max.
tac1(RD-DB)
tac2(RD-DB)
tac3(RD-DB)
tsu(DB-RD)
Data Input Access Time (for setting with no wait)
Data Input Access Time (for setting with wait)
Data Input Access Time (when accessing multiplex bus area)
Data Input Setup Time
(NOTE 1)
(NOTE 2)
(NOTE 3)
ns
ns
ns
ns
ns
ns
ns
ns
ns
50
40
50
0
tsu(RDY-BCLK)
RDY Input Setup Time
tsu(HOLD-BCLK) HOLD Input Setup Time
th(RD-DB)
Data Input Hold Time
RDY Input Hold Time
th(BCLK-RDY)
0
th(BCLK-HOLD) HOLD Input Hold Time
0
NOTES:
1. Calculated according to the BCLK frequency as follows:
9
0.5x10
----------------------- – 60[ns]
f(BCLK)
2. Calculated according to the BCLK frequency as follows:
9
(n – 0.5)x10
f(BCLK)
------------------------------------ – 60 [n s ]
n is ”2” for 1-wait setting, “3” for 2-wait setting and “4” for 3-wait setting.
3. Calculated according to the BCLK frequency as follows:
9
(n – 0.5)x10
f(BCLK)
------------------------------------ – 60 [n s ]
n is “2” for 2-wait setting, “3” for 3-wait setting.
Rev.2.41 Jan 10, 2006 Page 67 of 96
REJ03B0001-0241
RENESAS [ RENESAS TECHNOLOGY CORP ]
