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M27C256B-70C6
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P16
M27C2
56
B
10/16
Ta
ble
11.
Or
deri
ng I
nfo
rmat
ion
S
che
me
No
t
e
:
1.
High Sp
eed, s
ee AC Char
acteri
stic
s
sec
tion f
or fur
ther inf
ormat
ion.
For a list of availabl
e options (Speed, Pack
age, etc...) or for further information on any as
pect of this de-
vice, plea
s
e c
ontact the S
TMicroelectron
ics
Sales
Office nea
r
e
st to
you.
Example:
M27C256
B
-70
X
C
1
T
R
Device Type
M27
Supply Volt
ag
e
C = 5V
Device Fu
nctio
n
256B = 25
6 Kbit (32K
b x 8)
Speed
-45
(1)
= 45 ns
-60 = 60 n
s
-70 = 70 n
s
-80 = 80 n
s
-90 = 90 n
s
-10 = 100
ns
-12 = 120
ns
-15 = 150
ns
-20 = 200
ns
-25 = 250
ns
V
CC
T
olera
nce
blank = ± 10%
X = ± 5%
Package
F = FDIP2
8W
B = PDIP2
8
C = PLCC3
2
N = TSOP
28: 8
x 13.4 mm
T
em
perature Rang
e
1 = 0 to 70
°C
3 = –40 to
125 °C
6 = –40 to
85 °C
Options
X = Additio
nal Burn-in
TR = T
ape
& Reel Pa
cking
11/16
M27
C
256B
Table 12. Revision History
Date
Version
Revisio
n Details
July 19
98
1.0
First Issue
20-Sep
-2000
1.1
AN620 Re
ference re
moved
29-Nov
-2000
1.2
PLCC codificat
ion change
d (T
able 1
1)
02-Apr-
2001
1.3
FDIP28W
mechanica
l dim
ensions ch
anged (T
able 13
)
29-Aug
-2002
1.4
Package
mech
anical data cla
rified for P
DIP28 (T
able 14
),
PLCC32 (
T
able 15, F
igure 10) a
nd TSOP2
8 (T
able 16
, Figure 1
1)
M27C2
56
B
12/16
Table 13. FDI
P
28W - 28 pin Ceram
i
c Frit-seal DIP, with window, Packag
e
M
echanical Data
Symbol
millimet
ers
inches
T
y
p
Min
Max
T
yp
Min
Max
A
5.72
0
.225
A1
0.51
1.4
0
0.020
0.055
A2
3.91
4.5
7
0.154
0.180
A3
3.89
4.5
0
0.153
0.177
B
0.41
0.56
0.
016
0.022
B1
1.45
–
–
0.057
–
–
C
0.23
0.30
0.
009
0.012
D
36.50
37.3
4
1.437
1.470
D2
33.02
–
–
1.3
00
–
–
E
15.24
–
–
0.6
00
–
–
E1
13.06
13.3
6
0.
514
0.526
e
2.54
–
–
0.100
–
–
eA
1
4.99
–
–
0.590
–
–
eB
16.18
18.0
3
0.
637
0.710
L
3.18
4.10
0.
125
0
.161
S
1.52
2.49
0.
060
0
.098
∅
7.1
1
–
–
0.280
–
–
α
4°
1
1°
4
°
1
1
°
N
28
28
Figure 8
.
F
DIP
28W - 28
pin Ceramic
Frit-seal DIP, w
i
th w
indow, Packag
e Ou
t
l
ine
Drawing is
not to
scale.
FDIPW-a
A3
A1
A
L
B1
B
e
D
S
E1
E
N
1
C
α
eA
D2
∅
eB
A2
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P16
M27C256B-70C6
Mfr. #:
Buy M27C256B-70C6
Manufacturer:
STMicroelectronics
Description:
EPROM 256K (32KX8) 70ns
Lifecycle:
New from this manufacturer.
Delivery:
DHL
FedEx
Ups
TNT
EMS
Payment:
T/T
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Union
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