M27C405 Datasheet PDF - STMicroelectronics
| Part Number | M27C405 | |
| Description | 4 Mbit 512Kb x 8 OTP EPROM | |
| Manufacturers | STMicroelectronics | |
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M27C405
4 Mbit (512Kb x 8) OTP EPROM
5V ± 10% SUPPLY VOLTAGE in READ
OPERATION
PIN COMPATIBLE with the 4 Mbit,
SINGLE VOLTAGE FLASH MEMORY
FAST ACCESS TIME: 70ns
LOW POWER CONSUMPTION:
– Active Current 30mA at 5MHz
– Standby Current 100µA
PROGRAMMING VOLTAGE: 12.75V ± 0.25V
PROGRAMMING TIMES
– Typical 48sec. (PRESTO II Algorithm)
– Typical 27sec. (On-Board Programming)
ELECTRONIC SIGNATURE
– Manufacturer Code: 20h
– Device Code: B4
32
1
PDIP32 (B)
PLCC32 (K)
TSOP32 (N)
8 x 20mm
DESCRIPTION
The M27C405 is a 4 Mbit EPROM offered in the
OTP (one time programmable) range. It is ideally
suited for microprocessor systems requiring large
programs, in the application where the contents is
stable and needs to be programmed only one time
and is organised as 524,288 by 8 bits.
The M27C405 is pin compatible with the industry
standard 4 Mbit, single voltage Flash memory. It
can be consideredas a Flash Low Cost solution for
production quantities.
The M27C405 is offered in PDIP32, PLCC32 and
TSOP32 (8 x 20 mm) packages.
Table 1. Signal Names
A0-A18
Address Inputs
Q0-Q7
E
Data Outputs
Chip Enable
G Output Enable
VPP Program Supply
VCC Supply Voltage
VSS Ground
Figure 1. Logic Diagram
VCC VPP
19
A0-A18
8
Q0-Q7
E M27C405
G
VSS
AI01601
March 1999
1/15
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M27C405
Table 7. Read Mode DC Characteristics (1)
(TA = 0 to 70 °C or –40 to 85 °C; VCC = 5V ± 10%; VPP = VCC)
Symbol
Parameter
Test Condition
Min
ILI Input Leakage Current
0V ≤ VIN ≤ VCC
ILO Output Leakage Current
0V ≤ VOUT ≤ VCC
ICC Supply Current
E = VIL, G = VIL,
IOUT = 0mA, f = 5MHz
ICC1 Supply Current (Standby) TTL
E = VIH
ICC2 Supply Current (Standby) CMOS
E > VCC – 0.2V
IPP
VIL
VIH (2)
Program Current
Input Low Voltage
Input High Voltage
VPP = VCC
–0.3
2
VOL Output Low Voltage
IOL = 2.1mA
Output High Voltage TTL
VOH
Output High Voltage CMOS
IOH = –400µA
IOH = –100µA
2.4
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.
Max
±10
±10
30
1
100
10
0.8
VCC + 1
0.4
Unit
µA
µA
mA
mA
µA
µA
V
V
V
V
V
Table 8A. Read Mode AC Characteristics (1)
(TA = 0 to 70 °C or –40 to 85 °C; VCC = 5V ± 10%; VPP = VCC)
Symbol Alt
Parameter
Test Condition
-70 (3)
M27C405
-80
Min Max Min Max
tAVQV
tACC
Address Valid to
Output Valid
E = VIL, G = VIL
70
80
tELQV
tCE
Chip Enable Low to
Output Valid
G = VIL
70 80
tGLQV
tOE
Output Enable Low
to Output Valid
E = VIL
35 40
tEHQZ (2)
tDF
Chip Enable High to
Output Hi-Z
G = VIL
0 30 0 30
tGHQZ (2)
tDF
Output Enable High
to Output Hi-Z
E = VIL
0 30 0 30
tAXQX
tOH
Address Transition to
Output Transition
E = VIL, G = VIL
0
0
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 70ns speed see High Speed AC Measurement conditions.
-90
Min Max
Unit
90 ns
90 ns
40 ns
0 30 ns
0 30 ns
0 ns
5/15
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Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for M27C405 electronic component. |
| Information | Total 15 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ M27C405.PDF Datasheet ] | |
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