HD6473937W Renesas Electronics America, HD6473937W Datasheet - Page 143
HD6473937W
Manufacturer Part Number
HD6473937W
Description
MCU FLASH OTP 60K 100-TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300L SLPr
Datasheet
1.HD6473937RXV.pdf
(523 pages)
Specifications of HD6473937W
Core Processor
H8/300L
Core Size
8-Bit
Speed
10MHz
Connectivity
SCI
Peripherals
POR, WDT
Number Of I /o
59
Program Memory Size
60KB (60K x 8)
Program Memory Type
OTP
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 3.6 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
100-TQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
HD6473937W
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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6.4
Reliability of Programmed Data
A highly effective way to improve data retention characteristics is to bake the programmed chips
at 150 C, then screen them for data errors. This procedure quickly eliminates chips with PROM
memory cells prone to early failure.
Figure 6-6 Shows the recommended screening procedure.
Program chip and verify
programmed data
Bake chip for 24 to 48 hours at
125 C to 150 C with power off
Read and check program
Install
Figure 6-6 Recommended Screening Procedure
If a series of programming errors occurs while the same PROM programmer is in use, stop
programming and check the PROM programmer and socket adapter for defects. Please inform
Hitachi of any abnormal conditions noted during or after programming or in screening of program
data after high-temperature baking.
129
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