m28w320bb STMicroelectronics, m28w320bb Datasheet - Page 25

• Manufacturer Part Number: m28w320bb
• Description: 32 Mbit 2mb X16, Boot Block 3v Supply Flash Memory
• Manufacturer: STMicroelectronics

Figure 11. Power-Up and Reset AC Waveforms
Table 15. Power-Up and Reset AC Characteristics
Note: 1. The device Reset is possible but not guaranteed if t
t
t
Symbol
PLPH
VDHPH
t
t
t
PHWL
PHGL
PHEL
RP
VDD, VDDQ
W,
2. Sampled only, not 100% tested.
3. It is important to assert RP in order to allow proper CPU initialization during power up or reset.
(1,2)
E, G
(3)
Reset High to Write Enable Low, Chip
Enable Low, Output Enable Low
Reset Low to Reset High
Supply Voltages High to Reset High
tVDHPH
Parameter
Power-Up
tPHWL
tPHGL
tPHEL
PLPH
< 100ns.
and Erase
Program
Test Condition
During
others
Min
Min
Min
Min
Reset
tPLPH
100
70
50
30
50
M28W320BT, M28W320BB
tPHWL
tPHGL
tPHEL
M28W320B
100
85
50
30
50
100
90
50
30
50
AI03453b
100
100
50
30
50
25/43
Unit
µs
ns
ns
µs