ZSC31015EAG1-R datasheet(36/52 Pages) IDT

36 / 52 page

November 14, 2016

ZSC31015 Datasheet

EEPROM

Range

Description

Default

Settings

As of ww08/2009

Notes

127:120

Cust_ID0

ssBIN

here “s” is a part-

specific factory bit

setting.

During factory test-

ing, two back-up

copies of the optimal

setting for the

1V_Trim/JFET_Trim

bits are stored in

[123:120] and in

[127:124]. See im-

portant notes in

section 5.

Customer ID byte 0

Can be used to store a customer part identification number.

Caution: If the application requires accurate voltage references,

do not overwrite this byte until completing the procedures in

section 5.

135:128

Cust_ID1

xsss xsssBIN

where “s” is a part-

specific factory bit

setting and x is

“don’t care.”

During factory test-

ing, two copies of

the optimal setting

for the Osc_Trim

bits are stored in

[130:128] and in

[134:132]. (Also in

Cust_ID2.) See im-

portant notes in

section 5.

Customer ID byte 1

Can be used to store a customer part identification number.

Caution: If the application requires optimal response time, do not

overwrite this byte until completing the procedures in section 5.

143:136

Cust_ID2

xxxx xsssBIN

where “s” is a part-

specific factory bit

setting and X is

“don’t care.”

During factory test-

ing, a copy of the

optimal setting for

the Osc_Trim bits is

stored in [138:136].

(Also in Cust_ID1.)

See important notes

in section 5.

Customer ID byte 2

Can be used to store a customer part identification number.

Caution: If the application requires optimal response time, do not

overwrite this byte until completing the procedures in section 5.

151:144

Signature

8-bit EEPROM signature. Generated through a LFSR

**. This

signature is checked on power-on to ensure integrity of EEPROM

contents.

** Linear feedback shift register

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