參數(shù)資料
型號(hào): TMS28F004AMB60BDBJL
廠商: Texas Instruments, Inc.
英文描述: 524288 BY 8-BIT/262144 BY 16-BIT AUTO-SELECT BOOT-BLOCK FLASH MEMORIES
中文描述: 524288按8-BIT/262144由16位自動(dòng)選擇啟動(dòng)塊閃存
文件頁(yè)數(shù): 38/80頁(yè)
文件大小: 1080K
代理商: TMS28F004AMB60BDBJL
TMS28F004Axy, TMS28F400Axy
524288 BY 8-BIT/
262
144 BY 16-BIT
AUTO-SELECT BOOT-BLOCK FLASH MEMORIES
SMJS829A – JANUARY 1996 – REVISED AUGUST 1997
38
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251–1443
switching characteristics for TMS28F004AEy and TMS28F400AEy over recommended ranges of
supply voltage (commercial and extended temperature ranges)
read operations
ALT.
’28F004AEy60
’28F400AEy60
’28F004AEy70
’28F400AEy70
PARAMETER
SYMBOL
3-V VCC
RANGE
5-V VCC
RANGE
3-V VCC
RANGE
5-V VCC
RANGE
UNIT
MIN
MAX
MIN
MAX
MIN
MAX
MIN
MAX
ta(A)
Access time from A0–A17
(see Note 15)
tAVQV
110
60
130
70
ns
ta(E)
ta(G)
tc(R)
Access time from E
tELQV
tGLQV
tAVAV
110
60
130
70
ns
Access time from G
65
35
80
40
ns
Cycle time, read
110
60
130
70
ns
td(E)
Delay time, E low to low-impedance
output
tELQX
0
0
0
0
ns
td(G)
Delay time, G low to low-impedance
output
tGLQX
0
0
0
0
ns
tdis(E)
Disable time, E to high-impedance
output
tEHQZ
55
25
70
30
ns
tdis(G)
Disable time, G to high-impedance
output
tGHQZ
45
25
55
30
ns
th(D)
Hold time, DQ valid from A0–A17, E,
or G, whichever occurs first
(see Note 15)
tAXQX
0
0
0
0
ns
tsu(EB)
Setup time, BYTE from E low
tELFL
tELFH
tPHQV
5
5
5
5
ns
td(RP)
Output delay time from RP high
800
450
800
450
ns
tdis(BL)
Disable time, BYTE low to
DQ8–DQ15 in the high-impedance
state
tFLQZ
45
25
55
30
ns
ta(BH)
NOTE 15: A–1–A17 for byte-wide
Access time from BYTE going high
tFHQV
110
60
130
70
ns
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