m45pe40 STMicroelectronics, m45pe40 Datasheet - Page 32

• Manufacturer Part Number: m45pe40
• Description: 4 Mbit, Low Voltage, Page-erasable Serial Flash Memory With Byte-alterability And A 50 Mhz Spi Bus Interface
• Manufacturer: STMicroelectronics

Power-up and power-down
32/46
Figure 18. Power-up timing
Table 6.
1. These parameters are characterized only, over the temperature range –40°C to +85°C.
V CC (max)
V CC (min)
Symbol
t
t
V
PUW
VSL
WI
V WI
(1)
(1)
(1)
V CC
V
Time delay before the first Write, Program or Erase instruction
Write Inhibit Voltage
CC
Reset State
Power-Up timing and V
Device
of the
(min) to S low
Program, Erase and Write Commands are Rejected by the Device
Chip Selection Not Allowed
Parameter
WI
threshold
tPUW
tVSL
Read Access allowed
Min.
1.5
30
1
Device fully
accessible
Max.
time
2.5
10
M45PE40
AI04009C
Unit
ms
µs
V