参数资料
型号: A28F400BX-B
英文描述: 4-MBIT (256K x16. 512K x8) BOOT BLOCK FLASH MEMORY FAMILY
中文描述: 4兆位(256K x16。为512k × 8)启动块闪存系列
文件页数: 29/36页
文件大小: 457K
代理商: A28F400BX-B
E
A28F400BR-T/B
29
ADVANCE INFORMATION
Address Stable
Device and
Address Selection
V
IL
V
V
ADDRESSES (A)
IH
IL
V
V
IH
IL
V
V
IH
IL
V
V
CE# (E)
OE# (G)
WE# (W)
DATA (D/Q)
IH
V
IL
V
RP#(P)
OL
V
PHQV
t
High Z
Valid Output
Data
Valid
Standby
AVAV
t
EHQZ
t
GHQZ
t
OH
t
GLQV
t
GLQX
t
ELQV
t
ELQX
t
AVQV
t
High Z
0538_10
Figure 9. AC Waveforms for Read Operations
Address Stable
Device
Address Selection
IH
V
IL
V
V
ADDRESSES (A)
IH
IL
V
V
IH
IL
V
V
IH
IL
V
CE#
OE#
BYTE#
DATA (D/Q)
(DQ0-DQ7)
OL
V
OH
V
High Z
Data Output
on DQ0-DQ7
Data
Valid
Standby
AVAV
t
EHQZ
t
GHQZ
t
AVQV
t
High Z
GLQV
ELQV
GLQX
t
t
t
AVQV
t
OH
t
Data Output
on DQ0-DQ7
DATA (D/Q)
(DQ8-DQ14)
OL
V
OH
V
High Z
Data Output
on DQ8-DQ14
High Z
(DQ15-A1)
OL
V
OH
V
High Z
High Z
Data Output
on DQ15
Address Input
FLQZ
t
ELQX
t
ELFL
t
AVFL
t
0538_11
Figure 10. BYTE# Timing Diagram for Both Read and Write Operations with V
CC
at 5V
相关PDF资料
PDF描述
A28F400BR-TB Toggle Switch; Circuitry:DPDT; Switch Operation:On-On; Contact Current Max:6A; Actuator Style:Bat; Switch Terminals:Through Hole; Current Rating:3A; Leaded Process Compatible:Yes; Mounting Type:PCB; Features:Standard Actuator RoHS Compliant: Yes
A28F400BX-T 4-MBIT 256K x16, 512K x8 BOOT BLOCK FLASH MEMORY FAMILY
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