파트넘버.co.kr M95020 데이터시트 PDF


M95020 반도체 회로 부품 판매점

4Kbit / 2Kbit and 1Kbit Serial SPI Bus EEPROM With High Speed Clock



ST Microelectronics 로고
ST Microelectronics
M95020 데이터시트, 핀배열, 회로
M95040
M95020, M95010
4Kbit, 2Kbit and 1Kbit Serial SPI Bus EEPROM
With High Speed Clock
FEATURES SUMMARY
s Compatible with SPI Bus Serial Interface
(Positive Clock SPI Modes)
s Single Supply Voltage:
– 4.5V to 5.5V for M950x0
– 2.5V to 5.5V for M950x0-W
– 1.8V to 3.6V for M950x0-S
s 5 MHz Clock Rate (maximum)
s Status Register
s BYTE and PAGE WRITE (up to 16 Bytes)
s Self-Timed Programming Cycle
s Adjustable Size Read-Only EEPROM Area
s Enhanced ESD Protection
s More than 1,000,000 Erase/Write Cycles
s More than 40 Year Data Retention
Figure 1. Packages
8
1
PDIP8 (BN)
8
1
SO8 (MN)
150 mil width
TSSOP8 (DW)
169 mil width
July 2003
1/33


M95020 데이터시트, 핀배열, 회로
M95040, M95020, M95010
SUMMARY DESCRIPTION
The M95040 is a 4 Kbit (512 x 8) electrically eras-
able programmable memory (EEPROM), access-
ed by a high speed SPI-compatible bus. The other
members of the family (M95020, M95010) are
identical, though proportionally smaller (2 and 1
Kbit, respectively).
Each device is accessed by a simple serial
interface that is SPI-compatible. The bus signals
are C, D and Q, as shown in Table 1 and Figure 2.
The device is selected when Chip Select (S) is tak-
en Low. Communications with the device can be
interrupted using Hold (HOLD). WRITE instruc-
tions are disabled by Write Protect (W).
Figure 2. Logic Diagram
VCC
Figure 3. DIP, SO and TSSOP Connections
M95xxx
S1
Q2
8 VCC
7 HOLD
W3
6C
VSS 4
5D
AI01790D
Note: 1. See page 28 (onwards) for package dimensions, and how
to identify pin-1.
D
C
S
W
HOLD
M95xxx
VSS
Q
AI01789C
Table 1. Signal Names
C Serial Clock
D Serial Data Input
Q Serial Data Output
S Chip Select
W Write Protect
HOLD
Hold
VCC Supply Voltage
VSS Ground
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