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M27W801-100B6TR 데이터시트 PDF




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부품번호 M27W801-100B6TR 기능
기능 8 Mbit 1Mb x8 Low Voltage UV EPROM and OTP EPROM
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M27W801-100B6TR 데이터시트, 핀배열, 회로
M27W801
8 Mbit (1Mb x8) Low Voltage UV EPROM and OTP EPROM
s 2.7V to 3.6V SUPPLY VOLTAGE in READ
OPERATION
s ACCESS TIME:
– 80ns at VCC = 3.0V to 3.6V
– 100ns at VCC = 2.7V to 3.6V
s PIN COMPATIBLE with M27C801
s LOW POWER CONSUMPTION:
– 15µA max Standby Current
– 15mA max Active Current at 5MHz
s PROGRAMMING TIME 50µs/byte
s HIGH RELIABILITY CMOS TECHNOLOGY
– 2,000V ESD Protection
– 200mA Latchup Protection Immunity
s ELECTRONIC SIGNATURE
– Manufacturer Code: 20h
– Device Code: 42h
32
1
FDIP32W (F)
32
1
PDIP32 (B)
PLCC32 (K)
TSOP32 (N)
8 x 20 mm
Figure 1. Logic Diagram
DESCRIPTION
The M27W801 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 and is organized as 1,048,576 by
8 bits.
The M27W801 operates in the read mode with a
supply voltage as low as 2.7V at –40 to 85°C tem-
perature range. The decrease in operating power
allows either a reduction of the size of the battery
or an increase in the time between battery re-
charges.
The FDIP32W (window ceramic frit-seal package)
has a transparent lids which allow the user to ex-
pose the chip to ultraviolet light to erase the bit pat-
tern. 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
M27W801 is offered in PDIP32, PLCC32 and
TSOP32 (8 x 20 mm) packages.
VCC
20
A0-A19
8
Q0-Q7
E
GVPP
M27W801
VSS
AI02363
April 2000
1/16




M27W801-100B6TR pdf, 반도체, 판매, 대치품
M 27W 801
Table 5. AC Measurement Conditions
Input Rise and Fall Times
Input Pulse Voltages
Input and Output Timing Ref. Voltages
High Speed
10ns
0 to 3V
1.5V
Standard
20ns (10% to 90%)
0.4V to 2.4V
0.8V and 2V
Figure 3. AC Testing Input Output Waveform
High Speed
3V
0V
Standard
2.4V
0.4V
1.5V
2.0V
0.8V
AI01822
Figure 4. AC Testing Load Circuit
1.3V
1N914
DEVICE
UNDER
TEST
3.3k
CL
OUT
CL = 30pF for High Speed
CL = 100pF for Standard
CL includes JIG capacitance
AI01823B
Table 6. Capacitance (1) (TA = 25 °C, f = 1 MHz)
Symbol
Parameter
Test Condition
CIN Input Capacitance
VIN = 0V
COUT
Output Capacitance
VOUT = 0V
Note: 1. Sampled only, not 100% tested.
Min Max Unit
6 pF
12 pF
DEVICE OPERATION
The operating modes of the M27W801 are listed in
the Operating Modes table. A single power supply
is required in the read mode. All inputs are TTL
levels except for GVPP and 12V on A9 for Elec-
tronic Signature and Margin Mode Set or Reset.
Read Mode
The M27W801 has two control functions, both of
which must be logically active in order to obtain
data at the outputs. Chip Enable (E) is the power
control and should be used for device selection.
Output Enable (G) is the output control and should
be used to gate data to the output pins, indepen-
dent of device selection. Assuming that the ad-
dresses are stable, the address access time
(tAVQV) is equal to the delay from E to output
(tELQV). Data is available at the output after a delay
of tGLQV from the falling edge of G, assuming that
E has been low and the addresses have been sta-
ble for at least tAVQV-tGLQV.
Standby Mode
The M27W801 has a standby mode which reduc-
es the supply current from 15mA to 20µA with low
voltage operation VCC 3.6V, see Read Mode DC
Characteristics table for details. The M27W801 is
placed in the standby mode by applying a CMOS
high signal to the E input. When in the standby
mode, the outputs are in a high impedance state,
independent of the GVPP input.
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M27W801-100B6TR 전자부품, 판매, 대치품
M27W801
Table 9. Programming Mode DC Characteristics (1)
(TA = 25 °C; VCC = 6.25V ± 0.25V; VPP = 12.75V ± 0.25V)
Symbol
Parameter
Test Conditio n
Min Max
ILI Input Leakage Current
VIL VIN VIH
±10
ICC Supply Current
50
IPP Program Current
E = VIL
50
VIL Input Low Voltage
–0.3 0.8
VIH Input High Voltage
2 VCC + 0.5
VOL Output Low Voltage
IOL = 2.1mA
0.4
VOH Output High Voltage TTL
IOH = –1mA
3.6
VID A9 Voltage
11.5 12.5
Note: 1. VCC must be applied simultaneously with or before VPP and removed simultaneously or after VPP.
Table 10. MARGIN MODE AC Characteristics (1)
(TA = 25 °C; VCC = 6.25V ± 0.25V; VPP = 12.75V ± 0.25V)
Symbol
Alt
Parameter
Test Condition
Min
tA9HVPH
tAS9 VA9 High to VPP High
2
tVPHEL
tVPS VPP High to Chip Enable Low
2
tA10 HEH
tAS10 VA10 High to Chip Enable High (Set)
1
tA10LEH
tAS10 VA10 Low to Chip Enable High (Reset)
1
tEXA10X
tAH10 Chip Enable Transition to VA10 Transition
1
tEXVPX
tVPH Chip Enable Transition to VPP Transition
2
tVPXA9X
tAH9 VPP Transition to VA9 Transition
2
Note: 1. VCC must be applied simultaneously with or before VPP and removed simultaneously or after VPP.
Max
Unit
µA
mA
mA
V
V
V
V
V
Unit
µs
µs
µs
µs
µs
µs
µs
Programming
The M27W801 has been designed to be fully com-
patible with the M27C801 and has the same elec-
tronic signature. As a result the M27W801 can be
programmed as the M27C801 on the same pro-
gramming equipment applying 12.75V on VPP and
6.25V on VCC by the use of the same PRESTO IIB
algorithm. When delivered (and after each ‘1’s era-
sure for UV EPROM), all bits of the M27W801 are
in the ”1” state. Data is introduced by selectively
programming ”0”s into the desired bit locations.Al-
though only ’0’ will be programmed, both ”1” and
”0” can be present in the data word. The only way
to change a ‘0’ to a ‘1’ is by die exposure to ultra-
violet light (UV EPROM). The M27W801 is in the
programming mode when VPP input is at 12.75V
and E is pulsed to VIL. The data to be programmed
is applied to 8 bits in parallel to the data output
pins. The levels required for the address and data
inputs are TTL. VCC is specified to be 6.25V ±
0.25V.
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부품번호상세설명 및 기능제조사
M27W801-100B6TR

8 Mbit 1Mb x8 Low Voltage UV EPROM and OTP EPROM

STMicroelectronics
STMicroelectronics

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