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| 型號： | TMS27C020-15FML |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | READ-ONLY MEMORIES |
| 中文描述： | 只讀存儲器 |
| 文件頁數(shù)： | 9/15頁 |
| 文件大?。?/td> | 206K |
| 代理商： | TMS27C020-15FML |
TMS27C020 262144 BY 8-BIT UV ERASABLE
TMS27PC020 262144 BY 8-BIT
PROGRAMMABLE READ-ONLY MEMORIES
SMLS020C – NOVEMBER 1990 – REVISED SEPTEMBER 1997
9
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251–1443
switching characteristics for programming: V
CC
= 6.5 V and V
PP
= 13 V (SNAP! Pulse), T
A
= 25
°
C
(see Note 3)
PARAMETER
MIN
MAX
UNIT
tdis(G)
ten(G)
NOTE 3: For all switching characteristics the input pulse levels are 0.4 V to 2.4 V. Timing measurements are made at 2 V for logic high and
0.8 V for logic low (See Figure 2).
Output disable time from G
0
100
ns
Output enable time from G
150
ns
timing requirements for programming
MIN
TYP
MAX
UNIT
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
tw(PGM)
tsu(A)
tsu(E)
tsu(G)
tsu(D)
tsu(VPP)
tsu(VCC)
th(A)
th(D)
Pulse duration, program
SNAP! Pulse programming algorithm
95
100
105
Setup time, address
2
Setup time, E
2
Setup time, G
2
Setup time, data
2
Setup time, VPP
Setup time, VCC
Hold time, address
2
2
0
Hold time, data
2
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