87C51F Intel Corporation, 87C51F Datasheet - Page 3

• Manufacturer Part Number: 87C51F
• Description: CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLER
• Manufacturer: Intel Corporation

range of
tive temperature range option operational charac-
teristics are guaranteed over the temperature range
of
tended and commercial temperature versions of the
MCS-51 product families are available with or with-
out burn-in options
As shown in Figure 2 temperature burn-in and
package options are identified by a one- or two-letter
prefix to the part number
AN87C51FA FB FC indicates an automotive temperature range version of the 87C51FA FB FC in a PLCC package
with 16 Kbyte 32 Kbyte EPROM program memory
Example
b
40 C to
b
40 C to
a
125 C ambient The automotive ex-
Classification
Temperature
a
Automotive
Extended
85 C ambient For the automo-
Table 1 Temperature Options
Temperature
Designation
Figure 2 Package Options
A
B
T
L
PIN DESCRIPTIONS
V
V
V
reduce ground bounce and improve power supply
by-passing
This pin is NOT a substitute for V
Port 0 Port 0 is an 8-bit open drain bidirectional
I O port As an output port each pin can sink several
LS TTL inputs Port 0 pins that have 1’s written to
them float and in that state can be used as high-im-
pedance inputs
CC
SS
SS1
Temperature
b
b
b
b
Operating
Circuit ground
C Ambient
Supply voltage
40 to
40 to
Secondary ground (in PLCC only) Provided to
AUTOMOTIVE 87C51FA FB FC FC-20
40 to
40 to
a
a
a
a
125
125
85
85
NOTE
Extended
Extended
Standard
Standard
Options
Burn-In
SS
pin (pin 22)
270961 –2
3