參數(shù)資料
型號(hào)： R1EX25004ATA00A
元件分類： PROM
英文描述： 512 X 8 SPI BUS SERIAL EEPROM, PDSO8
封裝： 4.40 X 3 MM, 0.65 MM PITCH, LEAD FREE, PLASTIC, TSSOP-8
文件頁(yè)數(shù)： 6/22頁(yè)
文件大小： 622K
代理商： R1EX25004ATA00A
R1EX25002Axx00A/R1EX25004Axx00A
REJ03C0357-0002 Rev. 0.02 Jan.14 .2009
page 14 of 20
Read from Memory Array (READ):
As shown in the following figure, to send this instruction to the device, chip select (
S) is first driven low. The bits of
the instruction byte and the address bytes are then shifted in, on serial data input (D). The addresses are loaded into an
internal address register, and the byte of data at that address is shifted out, on serial data output (Q). The most
significant address (A8) should be sent as fifth bit in the instruction byte.
If chip select (
S) continues to be driven low, the internal address register is automatically incremented, and the byte of
data at the new address is shifted out.
When the highest address is reached, the address counter rolls over to zero, allowing the Read cycle to be continued
indefinitely. The whole memory can, therefore, be read with a single READ instruction.
The Read cycle is terminated by driving chip select (
S) high. The rising edge of the chip select (S) signal can occur at
any time during the cycle. The addressed first byte can be any byte within any page. The instruction is not accepted,
and is not executed, if a Write cycle is currently in progress.
Read from Memory Array (READ) Sequence
S
W
C
D
Q
8-Bit Address
Data Out 2
Data Out 1
01
2
3
4
5
6
7
A0
A1
A2
A3
A5
A6
A7
A8
8
9
10
12 13 14 15 16 17 18 19 20 21 22 23
High-Z
V
IH
V
IL
V
IH
V
IL
V
IH
V
IL
V
IH
V
IL
0
1
2
3
4
5
6
77
Instruction
Note:
1. Depending on the memory size, as shown in the following table, the most significant address bits are don’t
care.
Address Range Bits
Device
R1EX25004A
R1EX25002A
Address bits
A8 to A0
A7 to A0
Note:
1. A8 is don’t care on the R1EX25002A.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
R1EX25004ATA00A#S0 功能描述:IC EEPROM 4K 5MHZ 8TSSOP RoHS:是 類別:集成電路 (IC) >> 存儲(chǔ)器 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 格式 - 存儲(chǔ)器:閃存 存儲(chǔ)器類型:閃存 - NAND 存儲(chǔ)容量:4G（256M x 16） 速度:- 接口:并聯(lián) 電源電壓:2.7 V ~ 3.6 V 工作溫度:0°C ~ 70°C 封裝/外殼:48-TFSOP（0.724"，18.40mm 寬） 供應(yīng)商設(shè)備封裝:48-TSOP I 包裝:Digi-Reel® 其它名稱:557-1461-6
R1EX25004ATA00G 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:Serial Peripheral Interface 2k EEPROM 4k EEPROM
R1EX25004ATA00I 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:Serial Peripheral Interface Electrically Erasable and Programmable Read Only Memory
R1EX25004ATA00I#S0 制造商:Renesas Electronics Corporation 功能描述:SERIAL EEPROM 4K, SPI, TSSOP8, 制造商:Renesas Electronics Corporation 功能描述:SERIAL EEPROM 4K, SPI, TSSOP8, I-GRADE - Tape and Reel 制造商:Renesas Electronics Corporation 功能描述:IC EEPROM 4KBIT 5MHZ 8TSSOP
R1EX25008ASA00A#S0 功能描述:IC EEPROM 8K 5MHZ 8SOP RoHS:是 類別:集成電路 (IC) >> 存儲(chǔ)器 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 格式 - 存儲(chǔ)器:閃存 存儲(chǔ)器類型:閃存 - NAND 存儲(chǔ)容量:4G（256M x 16） 速度:- 接口:并聯(lián) 電源電壓:2.7 V ~ 3.6 V 工作溫度:0°C ~ 70°C 封裝/外殼:48-TFSOP（0.724"，18.40mm 寬） 供應(yīng)商設(shè)備封裝:48-TSOP I 包裝:Digi-Reel® 其它名稱:557-1461-6
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