M28W640HCB70ZB6E NUMONYX, M28W640HCB70ZB6E Datasheet - Page 41

• Manufacturer Part Number: M28W640HCB70ZB6E
• Manufacturer: NUMONYX

Specifications of M28W640HCB70ZB6E

• Cell Type: NOR
• Density: 64Mb
• Access Time (max): 70ns
• Interface Type: Parallel
• Boot Type: Bottom
• Address Bus: 22b
• Operating Supply Voltage (typ): 3.3V
• Operating Temp Range: -40C to 85C
• Package Type: TFBGA
• Sync/async: Asynchronous
• Operating Temperature Classification: Industrial
• Operating Supply Voltage (min): 2.7V
• Operating Supply Voltage (max): 3.6V
• Word Size: 16b
• Number Of Words: 4M
• Supply Current: 18mA
• Mounting: Surface Mount
• Pin Count: 48
• Lead Free Status / RoHS Status: Compliant

Figure 12. Power-up and Reset AC waveforms
Table 19.
1. The device reset is possible but not guaranteed if t
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.
t
t
PLPH
Symbol
VDHPH
W, E, G
RP
V
t
t
t
DD
PHWL
PHEL
PHGL
(1)(2)
(3)
Power-up and Reset AC characteristics
Reset High to Write Enable Low,
Chip Enable Low, Output Enable Low
Reset Low to Reset High
Supply voltages High to Reset High
tVDHPH
Power-up
Parameter
tPHWL
tPHGL
tPHEL
PLPH
< 100 ns.
During program and
Test condition
others
erase
Reset
tPLPH
tPHWL
tPHEL
tPHGL
Min
Min
Min
Min
M28W640HCT,
M28W640HCB
70 ns
100
300
50
30
AI03537c
Unit
μs
μs
ns
ns
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