AUTOMOTIVE 80C31BH/80C51BH/87C51
EPROM PROGRAMMING AND VERIFICATION WAVEFORMS
270419–22
*
FOR PROGRAMMING CONDITIONS SEE FIGURE 11.
FOR VERIFICATION CONDITIONS SEE FIGURE 13.
DATASHEET REVISION SUMMARY
The following are the key differences between this datasheet and the -006 version:
1. The ‘‘preliminary’’ status was removed and replaced with production status (no label).
2. Trademark was updated.
The following are the key differences between the -005 and the -006 version of the datasheet:
1. Preliminary notice added to Title page.
2. Figure 3 Pin Connections the NC
**
pins are now Reserved
**
pins.
3. Figure 3 Pin Connections RST pin is now RESET pin.
4. RST pin description is now RESET pin description.
5. Figure 4 the capacitor values have been removed.
6. CERDIP part reference in the D.C. Characteristics section has been removed.
7. I
CC
Max characteristics have been corrected to reflect test program conditions.
8. T
AVIV
and T
RLDV
formulas changed to correlate 12 MHz timings.
The following are the key differences between the -004 and the -005 version of this datasheet:
1. Removed references to burn-in options in Table 1 and added explanation of burn-in offered. Removed
references to commercial temperatures.
2. Deleted reference to ‘‘
b
1’’ designation 16 MHz.
3. Differentiated V
CC
for ROM/ROMless and EPROM.
The following are the key differences between the -002 and the -003 version of this datasheet:
1. Changed the title to 80C31BH/80C51BH/87C51 CHMOS Single-Chip 8-Bit Microcontroller.
2. Added the pin count for each package version in Figure 2.
3. Removed references to burn-in options in Table 1.
4. Added external oscillator start-up design considerations.
The following are the key differences between the -002 and the -001 version of the 80C51BH datasheet:
1. Maximum I
OL
per I/O pin added.
2. Note 7 on Maximum Current Specifications added to DC Characterstics.
3. Datasheet Revision Summary added.
16