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23A1024 반도체 회로 부품 판매점

1Mbit SPI Serial SRAM



Microchip 로고
Microchip
23A1024 데이터시트, 핀배열, 회로
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


23A1024 데이터시트, 핀배열, 회로
23A1024/23LC1024
1.0 ELECTRICAL CHARACTERISTICS
Absolute Maximum Ratings (†)
VCC.............................................................................................................................................................................6.5V
All Inputs and Outputs w.r.t. VSS ........................................................................................................ -0.3V to VCC +0.3V
Storage Temperature...............................................................................................................................-65°C to +150°C
Ambient Temperature under Bias............................................................................................................-40°C to +125°C
NOTICE: Stresses above those listed under “Absolute Maximum Ratings” may cause permanent damage to the
device. This is a stress rating only and functional operation of the device at those or any other conditions above those
indicated in the operational listings of this specification is not implied. Exposure to maximum rating conditions for an
extended period of time may affect device reliability.
TABLE 1-1: DC CHARACTERISTICS
DC CHARACTERISTICS
Industrial (I): TA = -40°C to +85°C
Automotive (E): TA = -40°C to +125°C
Param.
No.
Sym.
Characteristic
Min. Typ.(3) Max. Units
Test Conditions
D001
VCC Supply Voltage
1.7 — 2.2 V 23A1024
2.5 5.5 V 23LC1024
D002
VIH High-level Input
Voltage
0.7VCC — VCC + 0.3 V
D003
VIL Low-level Input
Voltage
-0.3 — 0.2 VCC V 23A1024
0.1 VCC V 23LC1024
D004
VOL Low-level Output
Voltage
— — 0.2 V IOL = 1 mA
D005
VOH High-level Output VCC - 0.5 —
V IOH = -400 A
Voltage
D006
ILI Input Leakage
Current
——
±1 A CS = VCC, VIN = VSS OR VCC
D007
ILO Output Leakage
Current
——
±1 A CS = VCC, VOUT = VSS OR VCC
D008 ICC Read Operating Current — 1 10 mA FCLK = 20 MHz; SO = O, 2.2V
3 10 mA FCLK = 20 MHz; SO = O, 5.5V
D009
ICCS Standby Current
—1
4 A CS = VCC = 2.2V, Inputs tied to
VCC or VSS, I-Temp
— 12 A CS = VCC = 2.2V, Inputs tied to
VCC or VSS, E-Temp
4 10 A CS = VCC = 5.5V, Inputs tied to
VCC or VSS, I-Temp
— 20 A CS = VCC = 5.5V, Inputs tied to
VCC or VSS, E-Temp
D010
CINT Input Capacitance
——
7 pF VCC = 5.0V, f = 1 MHz, TA = 25°C
(Note 1)
D011
VDR RAM Data Retention
1.0
V (Note 2)
Voltage
Note 1: This parameter is periodically sampled and not 100% tested.
2: This is the limit to which VCC can be lowered without losing RAM data. This parameter is periodically
sampled and not 100% tested.
3: Typical measurements taken at room temperature.
DS20005142C-page 2
2012-2015 Microchip Technology Inc.




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1Mbit SPI Serial SRAM - Microchip