M28W320EB-ZB STMICROELECTRONICS [STMicroelectronics], M28W320EB-ZB Datasheet - Page 26

• Manufacturer Part Number: M28W320EB-ZB
• Description: 32 Mbit (2Mb x16, Boot Block) 3V Supply Flash Memory
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

M28W320EBT, M28W320EBB
Figure 11. Power-Up and Reset AC Waveforms
Table 16. Power-Up and Reset AC Characteristics
Note: 1. The device Reset is possible but not guaranteed if t
26/45
t
t
Symbol
PLPH
VDHPH
t
t
t
PHWL
PHEL
PHGL
W,
RP
VDD, VDDQ
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
tPHWL
M28W320EB
tPHEL
tPHGL
100
85
50
30
50
100
90
50
30
50
AI03453b
100
10
50
30
50
Unit
µs
ns
ns
µs