TB28F400BVT80 Intel, TB28F400BVT80 Datasheet - Page 36

• Manufacturer Part Number: TB28F400BVT80
• Manufacturer: Intel

Specifications of TB28F400BVT80

• Density: 4Mb
• Access Time (max): 80ns
• Interface Type: Parallel
• Boot Type: Top
• Address Bus: 19/18Bit
• Operating Supply Voltage (typ): 3.3/5V
• Operating Temp Range: -40C to 85C
• Package Type: SOP
• Sync/async: Asynchronous
• Operating Temperature Classification: Industrial
• Operating Supply Voltage (min): 3/4.5V
• Operating Supply Voltage (max): 3.6/5.5V
• Word Size: 8/16Bit
• Number Of Words: 512K/256K
• Supply Current: 70mA
• Mounting: Surface Mount
• Pin Count: 44
• Lead Free Status / Rohs Status: Not Compliant

4-MBIT SmartVoltage BOOT BLOCK FAMILY
36
ADDRESSES (A)
CE# (E)
OE# (G)
BYTE# (F)
DATA (D/Q)
DATA (D/Q)
(DQ15/A-1)
(DQ8-DQ14)
(DQ0-DQ7)
ADDRESSES (A)
CE# (E)
OE# (G)
WE# (W)
DATA (D/Q)
RP#(P)
V
V
V
V
V
V
V
V
V
V
V
V
OH
OL
IH
IH
IH
IH
IH
IL
IL
IL
IL
IL
V
V
V
V
V
V
V
V
V
V
V
V
V
V
OH
OH
OH
IH
IH
IH
IH
OL
OL
OL
IL
IL
IL
IL
Figure 16. BYTE# Timing Diagram for Read Operations
High Z
High Z
High Z
High Z
Standby
Figure 15. AC Waveforms for Read Operations
t
PHQV
Address Selection
t
ELFL
Address Selection
SEE NEW DESIGN RECOMMENDATIONS
Address Stable
Device and
t
ELQX
t
Address Stable
AVQV
Device
t
t
t
ELQX
AVFL
AVQV
t
GLQX
t
FLQZ
t
t
GLQV
ELQV
on DQ8-DQ14
t
t
t
Data Output
t
Valid Output
Data Output
GLQV
GLQX
ELQV
AVAV
on DQ15
on DQ0-DQ7
Data Output
t
AVAV
Data
Valid
Data
Valid
Address Input
on DQ0-DQ7
Data Output
t
OH
t
AVQV
t
OH
Standby
High Z
t
t
GHQZ
EHQZ
High Z
High Z
High Z
t
t
GHQZ
EHQZ
0530_15
0530_16