HD6473258P10 Renesas Electronics America, HD6473258P10 Datasheet - Page 220
HD6473258P10
Manufacturer Part Number
HD6473258P10
Description
IC H8 MCU OTP 32K 64DIP
Manufacturer
Renesas Electronics America
Series
H8® H8/325r
Datasheet
1.HD6413238F10.pdf
(301 pages)
Specifications of HD6473258P10
Core Processor
H8/300
Core Size
8-Bit
Speed
10MHz
Connectivity
SCI, UART/USART
Number Of I /o
53
Program Memory Size
32KB (32K x 8)
Program Memory Type
OTP
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Oscillator Type
External
Operating Temperature
-20°C ~ 75°C
Package / Case
64-DIP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Data Converters
-
Peripherals
-
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11.3.3 Notes on Writing
(1) Write with the specified voltages and timing. The programming voltage (V
Caution: Applied voltages in excess of the specified values can permanently destroy the chip. Be
particularly careful about the PROM writer’s overshoot characteristics.
If the PROM writer is set to Intel specifications or Hitachi HN27C101, HN27256 or HN27C256
specifications, V
(2) Before writing data, check that the socket adapter and chip are correctly mounted in the
PROM writer. Overcurrent damage to the chip can result if the index marks on the PROM writer,
socket adapter, and chip are not correctly aligned.
(3) Don’t touch the socket adapter or chip while writing. Touching either of these can cause
contact faults and write errors.
(4) Page programming is not supported. Do not select page programming mode.
11.3.4 Reliability of Written Data
An effective way to assure the data holding characteristics of the programmed chips is to bake them
at 150˚C, then screen them for data errors. This procedure quickly eliminates chips with PROM
memory cells prone to early failure.
Figure 11-12 shows the recommended screening procedure.
Note:
PP
Baking time should be measured from the point when the baking oven reaches 150°C.
will be 12.5 V.
Figure 11-12. Recommended Screening Procedure
Bake with power off
150° ± 10°C, 48 Hr
Read and check program
Vcc = 4.5 V and 5.5 V
Write program
Install
215
+ 8 Hr *
– 0 Hr
Fig. 11-6
PP
) is 12.5 V.
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