DSM2190F4V datasheet(53/61 Pages) STMICROELECTRONICS

Part #	DSM2190F4V

Description	DSM (Digital Signal Processor System Memory) For Analog Devices ADSP-2191 DSPs (3.3V Supply)

PDF	61 Pages

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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DSM2190F4

Table 33. Flash Memory Program, Write and Erase Times

Note: 1. Programmed to all zero before erase.

2. The polling status, DQ7, is valid tQ7VQV time units before the data byte, DQ0-DQ7, is valid for reading.

Table 34. Reset (Reset) Timing

Note: 1. Reset (RESET) does not reset Flash memory Program or Erase cycles.

2. Warm reset aborts Flash memory Program or Erase cycles, and puts the device in Read mode.

Figure 36. Reset (RESET) Timing

Symbol

Parameter

Min.

Typ.

Max.

Unit

Flash Bulk Erase1 (pre-programmed)

330

Flash Bulk Erase (not pre-programmed)

tWHQV3

Sector Erase (pre-programmed)

tWHQV2

Sector Erase (not pre-programmed)

2.2

tWHQV1

Byte Program

1200

µs

Program / Erase Cycles (per Sector)

100,000

cycles

tWHWLO

Sector Erase Time-Out

100

µs

tQ7VQV

DQ7 Valid to Output (DQ7-DQ0) Valid (Data Polling)2

Symbol

Parameter

Conditions

Min

Max

Unit

tNLNH

RESET Active Low Time 1

300

tNLNH–PO

Power On Reset Active Low Time

tOPR

RESET High to Operational Device

300

tNLNH-PO

tOPR

AI02866b

RESET

tNLNH

tNLNH-A

tOPR

VCC

CC(min)

Power-On Reset

Warm Reset

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