M29F400 データシートの表示（PDF） - STMicroelectronics

部品番号

コンポーネント説明

メーカー

M29F400

4 Mbit (512Kb x8 or 256Kb x16, Boot Block) single supply Flash memory

STMicroelectronics 

DC and AC parameters

M29F400BT, M29F400BB

Figure 11. Reset/Block Temporary Unprotect AC waveforms

W, E, G

RB

RP

tPHWL, tPHEL, tPHGL

tPLPX

tPLYH

tRHWL, tRHEL, tRHGL

tPHPHH

AI02931

Table 15. Reset/Block Temporary Unprotect AC characteristics(1)

Symbol Alt

Parameter

M29F400B

Unit

45 55 70 / 90

tPHWL(2)

tPHEL

tPHGL(2)

tRHWL(2)

tRHEL(2)

tRHGL(2)

tRH

RP High to Write Enable Low, Chip

Enable Low, Output Enable Low

tRB

RB High to Write Enable Low, Chip

Enable Low, Output Enable Low

tPLPX

tPLYH(2)

tPHPHH(2)

tRP RP Pulse Width

tREADY RP Low to Read Mode

tVIDR RP Rise Time to VID

1. TA = 0 to 70 °C, –40 to 85 °C or –40 to 125 °C

2. Sampled only, not 100% tested.

Min 50 50 50 ns

Min 0

0

0

ns

Min 500 500 500 ns

Max 10 10 10 µs

Min 500 500 500 ns

34/40

Share Link: