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PDF 27C512-120 Data sheet ( Hoja de datos )

Número de pieza 27C512-120
Descripción 512 Kbit 64Kb x8 UV EPROM and OTP EPROM
Fabricantes STMicroelectronics 
Logotipo STMicroelectronics Logotipo



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No Preview Available ! 27C512-120 Hoja de datos, Descripción, Manual

M27C512
512 Kbit (64Kb x8) UV EPROM and OTP EPROM
5V ± 10% SUPPLY VOLTAGE in READ
OPERATION
FAST ACCESS TIME: 45ns
LOW POWER “CMOS” CONSUMPTION:
– Active Current 30mA
– Standby Current 100µA
PROGRAMMING VOLTAGE: 12.75V ± 0.25V
PROGRAMMING TIMES of AROUND 6sec.
(PRESTO IIB ALGORITHM)
ELECTRONIC SIGNATURE
– Manufacturer Code: 20h
– Device Code: 3Dh
28
1
FDIP28W (F)
28
1
PDIP28 (B)
DESCRIPTION
The M27C512 is a 512 Kbit EPROM offered in the
two ranges UV (ultra violet erase) and OTP (one
time programmable). It is ideally suited for applica-
tions where fast turn-around and pattern experi-
mentation are important requirements and is
organized as 65,536 by 8 bits.
The FDIP28W (window ceramic frit-seal package)
has transparent lid which allows the user to expose
the chip to ultraviolet light to erase the bit pattern.
A new pattern can then be written to the device by
following the programming procedure.
For applications where the content is programmed
only one time and erasure is not required, the
M27C512 is offered in PDIP28, PLCC32 and
TSOP28 (8 x 13.4 mm) packages.
PLCC32 (C)
TSOP28 (N)
8 x 13.4mm
Figure 1. Logic Diagram
VCC
16
A0-A15
8
Q0-Q7
Table 1. Signal Names
A0-A15
Address Inputs
Q0-Q7
Data Outputs
E Chip Enable
GVPP
Output Enable / Program Supply
VCC Supply Voltage
VSS Ground
E
GVPP
M27C512
VSS
AI00761B
November 1998
1/15

1 page




27C512-120 pdf
M27C512
Table 7. Read Mode DC Characteristics (1)
(TA = 0 to 70 °C, –40 to 85 °C or –40 to 125 °C; VCC = 5V ± 5% or 5V ± 10%; VPP = VCC)
Symbol
Parameter
Test Condition
Min Max
ILI Input Leakage Current
0V VIN VCC
±10
ILO Output Leakage Current
0V VOUT VCC
±10
ICC Supply Current
E = VIL, G = VIL,
IOUT = 0mA, f = 5MHz
30
ICC1 Supply Current (Standby) TTL
E = VIH
1
ICC2 Supply Current (Standby) CMOS
E > VCC – 0.2V
100
IPP Program Current
VPP = VCC
10
VIL
VIH (2)
Input Low Voltage
Input High Voltage
–0.3
2
0.8
VCC + 1
VOL Output Low Voltage
IOL = 2.1mA
0.4
Output High Voltage TTL
VOH
Output High Voltage CMOS
IOH = –1mA
IOH = –100µA
3.6
VCC –0.7V
Notes: 1. VCC must be applied simultaneously with or before VPP and removed simultaneously or after VPP.
2. Maximum DC voltage on Output is VCC +0.5V.
Unit
µA
µA
mA
mA
µA
µA
V
V
V
V
V
Table 8A. Read Mode AC Characteristics (1)
(TA = 0 to 70 °C, –40 to 85 °C or –40 to 125 °C; VCC = 5V ± 5% or 5V ± 10%; VPP = VCC)
Symbol Alt
Parameter Test Condition
-45 (3)
M27C512
-60 -70
-80 Unit
Min Max Min Max Min Max Min Max
tAVQV
tACC
Address Valid to
Output Valid
E = VIL, G = VIL
45
60
70
80 ns
tELQV
Chip Enable
tCE Low to Output
Valid
G = VIL
45 60 70 80 ns
tGLQV
Output Enable
tOE Low to Output
Valid
E = VIL
25 30 35 40 ns
Chip Enable
tEHQZ (2) tDF High to Output
Hi-Z
G = VIL
0 25 0 25 0 30 0 30 ns
Output Enable
tGHQZ (2) tDF High to Output
Hi-Z
E = VIL
0 25 0 25 0 30 0 30 ns
Address
tAXQX tOH Transition to
E = VIL, G = VIL 0
0
0
Output Transition
Notes. 1. VCC must be applied simultaneously with or before VPP and removed simultaneously or after VPP.
2. Sampled only, not 100% tested.
3. In case of 45ns speed see High Speed AC measurement conditions.
0
ns
5/15

5 Page





27C512-120 arduino
M27C512
Symb
A
A1
A2
A3
B
B1
C
D
D2
E
E1
e
eA
eB
L
S
α
N
FDIP28W - 28 pin Ceramic Frit-seal DIP, with window
Typ
1.45
33.02
15.24
2.54
14.99
7.11
mm
Min
0.51
3.91
3.89
0.41
0.23
36.50
13.06
16.18
3.18
1.52
4°
28
Max
5.72
1.40
4.57
4.50
0.56
0.30
37.34
13.36
18.03
2.49
11°
Typ
0.057
1.300
0.600
0.100
0.590
0.280
inches
Min
0.020
0.154
0.153
0.016
0.009
1.437
0.514
0.637
0.125
0.060
4°
28
Max
0.225
0.055
0.180
0.177
0.022
0.012
1.470
0.526
0.710
0.098
11°
A2 A3 A
B1
S
N
1
B
D2
D
A1 L
e
E1 E
Drawing is not to scale
α
C
eA
eB
FDIPW-a
11/15

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