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23A1024 の電気的特性と機能

23A1024のメーカーはMicrochipです、この部品の機能は「1Mbit SPI Serial SRAM」です。


製品の詳細 ( Datasheet PDF )

部品番号 23A1024
部品説明 1Mbit SPI Serial SRAM
メーカ Microchip
ロゴ Microchip ロゴ 




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23A1024 Datasheet, 23A1024 PDF,ピン配置, 機能
23A1024/23LC1024
1Mbit SPI Serial SRAM with SDI and SQI Interface
Device Selection Table
Part
Number
VCC Range
23A1024
1.7-2.2V
23LC1024
2.5-5.5V
Note 1: 16 MHz for E-temp.
Temp.
Ranges
I, E
I, E
Dual I/O
(SDI)
Yes
Yes
Quad I/O
(SQI)
Yes
Yes
Max. Clock
Frequency
20 MHz(1)
20 MHz(1)
Packages
SN, ST, P
SN, ST, P
Features
• SPI Bus Interface:
- SPI compatible
- SDI (dual) and SQI (quad) compatible
- 20 MHz Clock rate for all modes
• Low-Power CMOS Technology:
- Read Current: 3 mA at 5.5V, 20 MHz
- Standby Current: 4 A at +85°C
• Unlimited Read and Write Cycles
• Zero Write Time
• 128K x 8-bit Organization:
- 32-byte page
• Byte, Page and Sequential Mode for Reads and
Writes
• High Reliability
• Temperature Ranges Supported:
- Industrial (I):
-40C to +85C
- Automotive (E): -40C to +125C
• RoHS Compliant
• 8 Lead SOIC, TSSOP and PDIP Packages
Pin Function Table
Name
Function
CS
SO/SIO1
SIO2
VSS
SI/SIO0
SCK
HOLD/SIO3
VCC
Chip Select Input Pin
Serial Output/SDI/SQI Pin
SQI Pin
Ground Pin
Serial Input/SDI/SQI Pin
Serial Clock Pin
Hold/SQI Pin
Power Supply Pin
Description
The Microchip Technology Inc. 23A1024/23LC1024
are 1 Mbit Serial SRAM devices. The memory is
accessed via a simple Serial Peripheral Interface (SPI)
compatible serial bus. The bus signals required are a
clock input (SCK), a data in line (SI) and a data out line
(SO). Access to the device is controlled through a Chip
Select (CS) input. Additionally, SDI (Serial Dual
Interface) and SQI (Serial Quad Interface) is supported
if your application needs faster data rates.
This device also supports unlimited reads and writes to
the memory array.
The 23A1024/23LC1024 is available in standard
packages including 8-lead SOIC, PDIP and advanced
8-lead TSSOP.
Package Types (not to scale)
SOIC/TSSOP/PDIP
CS 1
SO/SIO1
SIO2
2
3
VSS 4
8 VCC
7 HOLD/SIO3
6 SCK
5 SI/SIO0
2012-2015 Microchip Technology Inc.
DS20005142C-page 1

1 Page





23A1024 pdf, ピン配列
23A1024/23LC1024
TABLE 1-2: AC CHARACTERISTICS
AC CHARACTERISTICS
Industrial (I): TA = -40°C to +85°C
Automotive (E): TA = -40°C to +125°C
Param.
No.
Sym.
Characteristic
Min.
Max. Units
Test Conditions
1 FCLK Clock Frequency
— 20 MHz
16 MHz
2 TCSS CS Setup Time
25 — ns
32 — ns
3 TCSH CS Hold Time
50 — ns
4 TCSD CS Disable Time
25 — ns
32 — ns
5 TSU Data Setup Time
10 — ns
6 THD Data Hold Time
10 — ns
7 TR CLK Rise Time
— 20 ns
8 TF CLK Fall Time
— 20 ns
9 THI Clock High Time
25 — ns
32 — ns
10 TLO Clock Low Time
25 — ns
32 — ns
11 TCLD Clock Delay Time
25 — ns
32 — ns
12
TV Output Valid from Clock Low
25 ns
32 ns
13 THO Output Hold Time
0 — ns
14 TDIS Output Disable Time
— 20 ns
15 THS HOLD Setup Time
10 — ns
16 THH HOLD Hold Time
10 — ns
17
THZ HOLD Low to Output High-Z
10
— ns
18 THV HOLD High to Output Valid
50 ns
Note 1: This parameter is periodically sampled and not 100% tested.
I-Temp
E-Temp
I-Temp
E-Temp
I-Temp
E-Temp
(Note 1)
(Note 1)
I-Temp
E-Temp
I-Temp
E-Temp
I-Temp
E-Temp
I-Temp
E-Temp
(Note 1)
TABLE 1-3: AC TEST CONDITIONS
AC Waveform
Input Pulse Level
0.1 VCC to 0.9 VCC
Input Rise/Fall Time
5 ns
CL = 30 pF
Timing Measurement Reference Level
Input
Output
0.5 VCC
0.5 VCC
2012-2015 Microchip Technology Inc.
DS20005142C-page 3


3Pages


23A1024 電子部品, 半導体
23A1024/23LC1024
TABLE 2-1: INSTRUCTION SET
Instruction Name Instruction Format
READ
WRITE
EDIO
EQIO
RSTIO
RDMR
WRMR
0000 0011
0000 0010
0011 1011
0011 1000
1111 1111
0000 0101
0000 0001
Hex
Code
0x03
0x02
0x3B
0x38
0xFF
0x05
0x01
Description
Read data from memory array beginning at selected address
Write data to memory array beginning at selected address
Enter Dual I/O access (enter SDI bus mode)
Enter Quad I/O access (enter SQI bus mode)
Reset Dual and Quad I/O access (revert to SPI bus mode)
Read Mode Register
Write Mode Register
FIGURE 2-1: BYTE READ SEQUENCE (SPI MODE)
CS
SCK
SI
SO
0 1 2 3 4 5 6 7 8 9 10 11
29 30 31 32 33 34 35 36 37 38 39
Instruction
24-bit Address
0 0 0 0 0 0 1 1 23 22 21 20
210
High-Impedance
Data Out
76543210
FIGURE 2-2: BYTE WRITE SEQUENCE (SPI MODE)
CS
SCK
SI
SO
0 1 2 3 4 5 6 7 8 9 10 11
29 30 31 32 33 34 35 36 37 38 39
Instruction
24-bit Address
Data Byte
0 0 0 0 0 0 1 0 23 22 21 20
2 1 07 6 5 4 3 2 1 0
High-Impedance
DS20005142C-page 6
2012-2015 Microchip Technology Inc.

6 Page



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部品番号部品説明メーカ
23A1024

1Mbit SPI Serial SRAM

Microchip
Microchip


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