Renesas PCA4738L-64A Información técnica descargar pdf (Pagina 37)

MITSUBISHI MICROCOMPUTERS

3802 Group

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

DATA REQUIRED FOR MASK ORDERS

The following are necessary when ordering a mask ROM produc-

tion:

1. Mask ROM Order Confirmation Form

2. Mark Specification Form

3. Data to be written to ROM, in EPROM form (three identical

copies)

ROM PROGRAMMING METHOD

The built-in PROM of the blank One Time PROM version and built-

in EPROM version can be read or programmed with a general-

purpose PROM programmer using a special programming

adapter. Set the address of PROM programmer in the user ROM

area.

The PROM of the blank One Time PROM version is not tested or

screened in the assembly process and following processes. To en-

sure proper operation after programming, the procedure shown in

Figure 35 is recommended to verify programming.

Fig. 35 Programming and testing of One Time PROM version

Package

64P4B, 64S1B

64P6N

64D0

Name of Programming Adapter

PCA4738S-64A

PCA4738F-64A

PCA4738L-64A

Programming with PROM

programmer

Screening (Caution)

(150°C for 40 hours)

Verification with

PROM programmer

Functional check in

target device

The screening temperature is far higher

than the storage temperature. Never

expose to 150 °C exceeding 100 hours.

Caution :

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Renesas PCA4738L-64A Información técnica Pagina 37