M25P64-VMF6TP datasheet(42/49 Pages) STMICROELECTRONICS

42 / 49 page

DC and AC parameters

M25P64

42/49

tCH + tCL must be greater than or equal to 1/ fC(max)

Value guaranteed by characterization, not 100% tested in production.

Expressed as a slew-rate.

Only applicable as a constraint for a WRSR instruction when SRWD is set at 1.

When using the Page Program (PP) instruction to program consecutive Bytes, optimized timings are obtained with one

sequence including all the Bytes versus several sequences of only a few Bytes. (1

≤n ≤256).

VPPH should be kept at a valid level until the program or erase operation has completed and its result (success or failure) is

known.

Table 14.

AC characteristics

Test conditions specified in Table 10 and Table 11

Symbol

Alt.

Parameter

Min.

Typ.

Max.

Unit

Clock Frequency for the following instructions: FAST_READ,

PP, SE, BE, RES, WREN, WRDI, RDID, RDSR, WRSR

D.C.

MHz

Clock Frequency for READ instructions

D.C.

MHz

tCH

(1)

tCLH Clock High Time

tCL

(1)

tCLL Clock Low Time

tCLCH

(2)

Clock Rise Time(3) (peak to peak)

0.1

V/ns

tCHCL

(2)

Clock Fall Time(3) (peak to peak)

0.1

V/ns

tSLCH

tCSS S Active Setup Time (relative to C)

tCHSL

S Not Active Hold Time (relative to C)

tDVCH

tDSU Data In Setup Time

tCHDX

tDH Data In Hold Time

tCHSH

S Active Hold Time (relative to C)

tSHCH

S Not Active Setup Time (relative to C)

tSHSL

tCSH S Deselect Time

100

tSHQZ

(2)

tDIS Output Disable Time

tCLQV

Clock Low to Output Valid

tCLQX

tHO Output Hold Time

tHLCH

HOLD Setup Time (relative to C)

tCHHH

HOLD Hold Time (relative to C)

tHHCH

HOLD Setup Time (relative to C)

tCHHL

HOLD Hold Time (relative to C)

tHHQX

(2)

tLZ

HOLD to Output Low-Z

tHLQZ

(2)

tHZ

HOLD to Output High-Z

tWHSL

(4)

Write Protect Setup Time

tSHWL

(4)

Write Protect Hold Time

100

tVPPHSL

(6)

Enhanced Program Supply Voltage High to Chip Select Low

200

Write Status Register Cycle Time

tPP

(5)

Page Program Cycle Time (256 Bytes)

1.4

5ms

Page Program Cycle Time (n Bytes)

0.4+ n*1/256

Page Program Cycle Time (VPP = VPPH) (256 Bytes)

0.35

tSE

Sector Erase Cycle Time

Sector Erase Cycle Time (VPP = VPPH)0.5

tBE

Bulk Erase Cycle Time

160

Bulk Erase Cycle Time (VPP = VPPH)35

160

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