PCF84C21A Philips Semiconductors, PCF84C21A Datasheet - Page 6

• Manufacturer Part Number: PCF84C21A
• Description: Telecom microcontrollers
• Manufacturer: Philips Semiconductors

Philips Semiconductors
8
9
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” .
10 LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 134).
1996 Nov 20
Program/data
Port Output
P0.0 to P0.7
P1.0 to P1.7
P2.0 to P2.2
SDA/P2.3
Port State after reset
P0.0 to P0.7
P1.0 to P1.7
P2.0 to P2.2
SDA/P2.3
Oscillator
Transconductance
V
V
I
I
I
P
P
I
I
T
T
I
O
O
DD
SS
stg
j
DD
I
tot
O
Telecom microcontrollers
ROM MASK OPTIONS
HANDLING
SYMBOL
supply voltage
all input voltages
DC input current
DC output current except Port 1 output LOW
DC output current, Port 1 output LOW
total power dissipation
power dissipation per output
supply current
ground supply current
storage temperature range
operating junction temperature
ROM CODE
PARAMETER
6
Any mix of instructions and data up to ROM size of
2 kbytes for the PCF84C21A, 4 kbytes for the
PCF84C41A and 8 kbytes for the PCF84C81A.
standard
standard
standard
set
set
set
set
LOW (g
mL
)
PCF84C21A; PCF84C41A;
open-drain
open-drain
open-drain
open-drain
reset
reset
reset
MEDIUM (g
0.5
0.5
10
10
10
50
100
55
MIN.
OPTION
mM
+7
V
+10
+10
+20
125
30
+50
+50
+150
90
DD
)
MAX.
PCF84C81A
Product specification
+ 0.5
push-pull
push-pull
push-pull
HIGH (g
V
V
mA
mA
mA
mW
mW
mA
mA
C
C
mH
UNIT
)