PCA84C640 Datasheet, PDF (9/40 Pages) NXP Semiconductors – 8-bit microcontrollers with OSD and VST

Philips Semiconductors
8-bit microcontrollers with OSD and VST
Product specification
84C44X; 84C64X; 84C84X
handbook, full pagewidth
VDD
VDD
V _ref
VSS
VDD
RESET
VSS
OSCILLATOR
td
oscillator start up time
Fig.6 Reset with fast rising V_DD.
MCD240
handbook, full pagewidth
VDD
VDD
Vmin
Vref
VSS
RESET
without
external
component
VDD
VSS
RESET
with
external
component
VDD
VSS
OSCILLATOR
1996 Nov 29
t _VDD
t _Vref
td
RC ≥ 8 × tVDD
oscillator start up time
Fig.7 Reset with slow V_DD.
9
MCD241