S-93C56A SII [Seiko Instruments Inc], S-93C56A Datasheet - Page 37
S-93C56A
Manufacturer Part Number
S-93C56A
Description
CMOS SERIAL E2PROM
Manufacturer
SII [Seiko Instruments Inc]
Datasheet
1.S-93C56A.pdf
(53 pages)
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Collection of Product FAQs
Author: Kano Tomoo
<Information level>
<Product>
Related documents:
Question:
Answer:
A:
Index:
Division name: 01 IC
Category 1:
Category 2:
Cal. No.:
Power-on clear in S-93CxxA, S-29xxxA, notes for power-on (malfunction)
1. This IC series has a built-in power-on clear circuit.
2. Notes on power-on
This circuit instantly initializes the EEPROM when the power voltage is activated. Since malfunction
may occur if initialization has not been completed normally, the conditions specified below are
required to activate the power voltage in order to operate the power-on clear circuit normally.
Method for activating the power voltage
As shown in Fig. 1, activate the power voltage starting from a maximum of 0.2 V so that the power
voltage reaches the operating value within the time specified as tRISE. If the operating power
voltage is, for example, 5.0 V, tRISE = 200 ms, as shown in Fig. 2. Thus, the power voltage must be
activated within 200 ms.
Public (Printing O.K.)
B: Technical
12 Memory
2. Serial EEPROM
Overall
Date: 98/11/12 (Thursday) 10:17 (modified: 99/01/13)
36