Philips Semiconductors
8-bit microcontrollers
Product specification
PCF84C12A; PCF84C22A;
PCF84C42A
7 ROM MASK OPTIONS
Program/data
ROM CODE
Port Output
P0.0 to P0.7
P1.0 to P1.4
Port State after reset
P0.0 to P0.7
P1.0 to P1.4
Oscillator
Transconductance
OPTION
Any mix of instructions and data up to ROM size of
1 kbyte for the PCF84C12A, 2 kbytes for the
PCF84C22A and 4 kbytes for the PCF84C42A.
standard
standard
open-drain
open-drain
push-pull
push-pull
set
reset
−
set
reset
−
LOW (gmL)
MEDIUM (gmM) HIGH (gmH)
8 HANDLING
Inputs and outputs are protected against electrostatic discharge in normal handling. However, it is good practice to take
normal precautions appropriate to handling MOS devices. See “Data Handbook IC14, Section: Handling MOS devices”.
9 LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 134).
SYMBOL
VDD
VI
II
IO
Ptot
PO
IDD
ISS
Tstg
Tj
PARAMETER
supply voltage
all input voltages
DC input current
DC output current except Port 1 output LOW
total power dissipation
power dissipation per output
supply current
ground supply current
storage temperature range
operating junction temperature
MIN.
−0.5
−0.5
−10
−10
−
−
−50
−100
−55
−
MAX.
+7
VDD + 0.5
+10
+10
125
30
+50
+50
+150
90
UNIT
V
V
mA
mA
mW
mW
mA
mA
°C
°C
1996 Nov 20
6