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PDF M27V800-120F1TR Data sheet ( Hoja de datos )

Número de pieza M27V800-120F1TR
Descripción 8 Mbit 1Mb x8 or 512Kb x16 Low Voltage UV EPROM and OTP EPROM
Fabricantes STMicroelectronics 
Logotipo STMicroelectronics Logotipo



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M27V800
8 Mbit (1Mb x8 or 512Kb x16)
Low Voltage UV EPROM and OTP EPROM
s LOW VOLTAGE READ OPERATION:
3V to 3.6V
s FAST ACCESS TIME: 100ns
s BYTE-WIDE or WORD-WIDE
CONFIGURABLE
s 8 Mbit MASK ROM REPLACEMENT
s LOW POWER CONSUMPTION
– Active Current 30mA at 8MHz
– Standby Current 20µA
s PROGRAMMING VOLTAGE: 12.5V ± 0.25V
s PROGRAMMING TIME: 100µs/byte (typical)
s ELECTRONIC SIGNATURE
– Manufacturer Code: 0020h
– Device Code: 00B2h
DESCRIPTION
The M27V800 is a low voltage 8 Mbit EPROM of-
fered in the two ranges UV (ultra violet erase) and
OTP (one time programmable). It is ideally suited
for microprocessor systems requiring large data or
program storage. It is organised as either 1 Mbit
words of 8 bit or 512 Kbit words of 16 bit. The pin-
out is compatible with a 8 Mbit Mask ROM.
42
1
FDIP42W (F)
42
1
PDIP42 (B)
44
1
SO44 (M)
PLCC44 (K)
Figure 1. Logic Diagram
VCC
Table 1. Signal Names
A0-A18
Address Inputs
Q0-Q7
Data Outputs
Q8-Q14
Data Outputs
Q15A–1
Data Output / Address Input
E Chip Enable
G Output Enable
BYTEVPP
Byte Mode / Program Supply
VCC Supply Voltage
VSS Ground
19
A0-A18
E
G
BYTEVPP
M27V800
Q15A–1
15
Q0-Q14
VSS
AI01851
September 1998
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M27V800-120F1TR pdf
Table 7. Read Mode DC Characteristics (1)
(TA = 0 to 70 °C; VCC = 3.3V ± 10%; VPP = VCC)
Symbol
Parameter
Test Condition
Min
ILI Input Leakage Current
ILO Output Leakage Current
ICC Supply Current
ICC1 Supply Current (Standby) TTL
0V VIN VCC
0V VOUT VCC
E = VIL, G = VIL, IOUT = 0mA,
f = 8MHz, VCC 3.6V
E = VIL, G = VIL, IOUT = 0mA,
f = 5MHz, VCC 3.6V
E = VIH
ICC2 Supply Current (Standby) CMOS
IPP Program Current
E > VCC – 0.2V, VCC 3.6V
VPP = VCC
VIL Input Low Voltage
–0.3
VIH (2) Input High Voltage
2
VOL Output Low Voltage
IOL = 2.1mA
VOH Output High Voltage TTL
IOH = –400µA
2.4
Note: 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.
M27V800
Max
±1
±10
30
Unit
µA
µA
mA
20
1
20
10
0.8
VCC + 1
0.4
mA
mA
µA
µA
V
V
V
V
For the most efficient use of these two control
lines, E should be decoded and used as the prima-
ry device selecting function, while G should be
made a common connection to all devices in the
array and connected to the READ line from the
system control bus. This ensures that all deselect-
ed memory devices are in their low power standby
mode and that the output pins are only active
when data is required from a particular memory
device.
System Considerations
The power switching characteristics of Advanced
CMOS EPROMs require carefull decoupling of the
supplies to the devices. The supply current ICC
has three segments of importance to the system
designer: the standby current, the active current
and the transient peaks that are produced by the
falling and rising edges of E.
The magnitude of the transient current peaks is
dependant on the capacititive and inductive load-
ing of the device outputs. The associated transient
voltage peaks can be supressed by complying
with the two line output control and by properly se-
lected decoupling capacitors. It is recommended
that a 0.1µF ceramic capacitor is used on every
device between VCC and VSS. This should be a
high frequency type of low inherent inductance
and should be placed as close as possible to the
device. In addition, a 4.7µF electrolytic capacitor
should be used between VCC and VSS for every
eight devices. This capacitor should be mounted
near the power supply connection point. The pur-
pose of this capacitor is to overcome the voltage
drop caused by the inductive effects of PCB trac-
es.
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M27V800-120F1TR arduino
Table 11. Ordering Information Scheme
Example:
Device Type
Speed
-100 = 100 ns
-120 = 120 ns
-150 = 150 ns
VCC Tolerance
blank = ± 10%
X = ± 5%
Package
F = FDIP42W
B = PDIP42
K = PLCC44
M = SO44
Temperature Range
1 = –0 to 70 °C
Optio n
TR = Tape & Reel Packing
M27V800
M27V800
-100 X M 1 TR
For a list of available options (Speed, Package, etc...) or for further information on any aspect of this de-
vice, please contact the ST Sales Office nearest to you.
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