M41ST87YSS6F datasheet(52/54 Pages) STMICROELECTRONICS

Part #	M41ST87YSS6F

Description	5.0 and 3.3/3.0 V secure serial RTC and NVRAM supervisor with tamper detection and 128 bytes of clearable NVRAM

PDF	54 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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52 / 54 page

Part numbering

M41ST87W

52/54

DocID9497 Rev 11

Part numbering

Table 26: Ordering information scheme

Example:

M41ST

87Y

Device type

M41ST

Supply voltage and write protect voltage

87Y = VCC = 4.75 to 5.5 V

(1)

THS bit = '1': 4.50 V ≤ VPFD ≤ 4.75 V

VCC = 4.5 to 5.5 V

THS bit = '0': 4.20 V ≤ VPFD ≤ 4.50 V

87W = VCC = 3.0 to 3.6 V;

THS bit = '1': 2.80 V ≤ VPFD ≤ 3.00 V

VCC = 2.7 to 3.6 V;

THS bit = '0': 2.55 V ≤ VPFD ≤ 2.70 V

Package

MX = SOX28

(2)(3)

SS = SSOP20

(4)

Temperature range

6 = –40 to 85 °C

Shipping method

For SOX28:

Blank = ECOPACK

® package, tubes (Not for new design - use TR)(1)

TR = ECOPACK

® package, tape and reel

For SSOP20:

F = ECOPACK

® package, tape and reel

Notes:

(1)

Not recommended for new design. Contact ST sales office for availability.

(2)

Lead-free second level interconnect and RoHS compliant (by exemption).

(3)

The SOX28 package includes an embedded 32,768 Hz crystal.

(4)

Available in 3.3 V (W) version only.

For other options, or for more information on any aspect of this device, please contact the

ST sales office nearest you.

M41ST87YSS6F Datasheet(PDF) 52 Page - STMicroelectronics

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