參數(shù)資料
型號(hào): AM29F400BT-90FC
廠商: ADVANCED MICRO DEVICES INC
元件分類(lèi): 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, PDSO48
封裝: REVERSE, MO-142DD, TSOP-48
文件頁(yè)數(shù): 30/37頁(yè)
文件大?。?/td> 238K
代理商: AM29F400BT-90FC
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)
相關(guān)PDF資料
PDF描述
Am29F400BT-90FCB 4 Megabit (512 K x 8-Bit/256 K x 16-Bit) CMOS 5.0 Volt-only Boot Sector Flash Memory
AM29F400BT-90FE 4 Megabit (512 K x 8-Bit/256 K x 16-Bit) CMOS 5.0 Volt-only Boot Sector Flash Memory
AM29F400BT-90FEB 4 Megabit (512 K x 8-Bit/256 K x 16-Bit) CMOS 5.0 Volt-only Boot Sector Flash Memory
AM29F400BT-90FI 4 Megabit (512 K x 8-Bit/256 K x 16-Bit) CMOS 5.0 Volt-only Boot Sector Flash Memory
Am29F400BT-90FIB 4 Megabit (512 K x 8-Bit/256 K x 16-Bit) CMOS 5.0 Volt-only Boot Sector Flash Memory
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