P90CE201 Datasheet, PDF (65/77 Pages) NXP Semiconductors – 16-bit microcontroller

Philips Semiconductors
16-bit microcontroller
15.3.2 EXTERNAL CLOCK DRIVE XTAL1
Table 55 External clock drive XTAL1.
SYMBOL
t_CLCL
t_CHCX
t_CLCX
t_CLCH
t_CHCL
clock period
HIGH time
LOW time
rise time
fall time
PARAMETER
Product specification
P90CE201
MIN.
42
15
15
−
−
MAX.
250
t_{CLCL −} t_CLCX
t_{CLCL −} t_CHCX
20
20
UNIT
ns
ns
ns
ns
ns
handbook, full pagewidth
t _CHCX
V _IH1
0.8 V
VIH1
0.8 V
t _CLCH
t _CHCL
t _CLCX
VIH1
0.8 V
VIH1
0.8 V
t _CLCL
MLA856
Fig.47 External clock drive XTAL1.
August 1993
65