m37905 Renesas Electronics Corporation., m37905 Datasheet - Page 556

• Manufacturer Part Number: m37905
• Description: Mitsubishi 16-bit Single-chip Microcomputer 7700 Family / 7900 Series
• Manufacturer: Renesas Electronics Corporation.

External clock input
Timing Requirements (V
t
t
t
t
t
t
c
w(half)
w(H)
w(L)
r
f
Symbol
External clock input
Test conditions
• Vcc = 5 V ± 0.5 V, Ta = –20 to 85 °C
• Input timing voltage
• Input timing voltage : 2.5 V (t
External clock input cycle time
External clock input pulse width with half input-voltage
External clock input high-level pulse width
External clock input low-level pulse width
External clock input rise time
External clock input fall time
CC
f(X
= 5 V±0.5 V, V
IN)
: V
Appendix 9. M37905M4C-XXXFP electrical characteristics
IL
SS
= 1.0 V, V
= 0 V, T
c
, t
Parameter
t
w(half)
w(L)
7905 Group User’s Manual Rev.1.0
a
)
= –20 to 85 °C, f(X
IH
= 4.0 V (t
t
w(H)
w(H)
, t
IN
w(L)
t
) = 20 MHz, unless otherwise noted)
r
, t
r
, t
f
)
t
f
0.5 t
0.5 t
t
0.45 tc
w(half)
Min.
50
c
c
– 8
– 8
t
c
Limits
APPENDIX
0.55 tc
Max.
8
8
20-125
Unit
ns
ns
ns
ns
ns
ns