M37905F8CFP Datasheet, PDF (31/34 Pages) Mitsubishi Electric Semiconductor – 16-BIT CMOS MICROCOMPUTER

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MITSUBISHI MICROCOMPUTERS
M37905F8CFP, M37905F8CSP
16-BIT CMOS MICROCOMPUTER
External clock input
Timing Requirements (VCC = 5 V±0.5 V, VSS = 0 V, Ta = –20 to 85 °C, unless otherwise noted)
Symbol
Parameter
Limits
Min.
Max.
Unit
tc
External clock input cycle time
50
ns
tw(half)
External clock input pulse width with half input-voltage
0.45 tc
0.55 tc
ns
tw(H)
External clock input high-level pulse width
0.5 tc – 8
ns
tw(L)
External clock input low-level pulse width
0.5 tc – 8
ns
tr
External clock input rise time
8
ns
tf
External clock input fall time
8
ns
External clock input
XIN
tw(L)
tw(H)
tr
tf
Test conditions
• Vcc = 5 V ± 0.5 V, Ta = –20 to 85 °C
• Input timing voltage : VIL = 1.0 V, VIH = 4.0 V (tw(H), tw(L), tr, tf)
• Output timing voltage : 2.5 V (tc, tw(half))
tc
tw(half)
31