参数资料
型号: AM29F400BT-90SC
厂商: ADVANCED MICRO DEVICES INC
元件分类: PROM
英文描述: 4 Megabit (512 K x 8-Bit/256 K x 16-Bit) CMOS 5.0 Volt-only Boot Sector Flash Memory
中文描述: 256K X 16 FLASH 5V PROM, 90 ns, PDSO44
封装: MO-180AA, SOP-44
文件页数: 30/37页
文件大小: 238K
代理商: AM29F400BT-90SC
30
Am29F400B
P R E L IM IN A R Y
AC CHARACTERISTICS
WE#
CE#
OE#
High Z
t
OE
High Z
DQ7
DQ0–DQ6
RY/BY#
t
BUSY
Complement
True
Addresses
VA
t
OEH
t
CE
t
CH
t
OH
t
DF
VA
VA
Status Data
Complement
Status Data
True
Valid Data
Valid Data
t
ACC
t
RC
Note:
VA = Valid address. Illustration shows first status cycle after command sequence, last status read cycle, and array data read cycle.
21505C-19
Figure 15.
Data# Polling Timings (During Embedded Algorithms)
WE#
CE#
OE#
High Z
t
OE
DQ6/DQ2
RY/BY#
t
BUSY
Addresses
VA
t
OEH
t
CE
t
CH
t
OH
t
DF
VA
VA
t
ACC
t
RC
Valid Data
Valid Status
(stops toggling)
Valid Status
(first read)
(second read)
Valid Status
VA
Note:
VA = Valid address; not required for DQ6. Illustration shows first two status cycle after command sequence, last status read cycle,
and array data read cycle.
21505C-20
Figure 16.
Toggle Bit Timings (During Embedded Algorithms)
相关PDF资料
PDF描述
Am29F400BT-90SCB 4 Megabit (512 K x 8-Bit/256 K x 16-Bit) CMOS 5.0 Volt-only Boot Sector Flash Memory
AM29F400BT-90SE 4 Megabit (512 K x 8-Bit/256 K x 16-Bit) CMOS 5.0 Volt-only Boot Sector Flash Memory
AM29F400BT-90SEB 4 Megabit (512 K x 8-Bit/256 K x 16-Bit) CMOS 5.0 Volt-only Boot Sector Flash Memory
AM29F400BT-90SI 4 Megabit (512 K x 8-Bit/256 K x 16-Bit) CMOS 5.0 Volt-only Boot Sector Flash Memory
Am29F400BT-90SIB 4 Megabit (512 K x 8-Bit/256 K x 16-Bit) CMOS 5.0 Volt-only Boot Sector Flash Memory
相关代理商/技术参数
参数描述
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