- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄377578 > IS93C46B (Integrated Silicon Solution, Inc.) 1,024-BIT SERIAL ELECTRICALLY ERASABLE PROM PDF資料下載
參數(shù)資料
| 型號(hào)： | IS93C46B |
| 廠商： | Integrated Silicon Solution, Inc. |
| 英文描述： | 1,024-BIT SERIAL ELECTRICALLY ERASABLE PROM |
| 中文描述： | 1,024位串行電可擦除可編程ROM |
| 文件頁數(shù)： | 2/13頁 |
| 文件大小： | 77K |
| 代理商： | IS93C46B |
2
Integrated Silicon Solution, Inc. — www.issi.com —
1-800-379-4774
Rev. A
07/23/03
IS93C46B
ISSI
PIN CONFIGURATIONS
8-Pin JEDEC SOIC “G”
8-Pin JEDEC SOIC “GR”
PIN DESCRIPTIONS
CS
Chip Select
SK
Serial Data Clock
D
IN
Serial Data Input
D
OUT
Serial Data Output
NC
Not Connected
Vcc
Power
GND
Ground
instruction begins with a start bit of the logical “1” or
HIGH. Following this are the opcode (2 bits),
address field (6 bits), and data, if appropriate. The
clock signal may be held stable at any moment to
suspend the device at its last state, allowing clock-
speed flexibility. Upon completion of bus
communication, CS would be pulled LOW. The device
then would enter Standby mode if no internal
programming is underway.
Read (READ)
The READ instruction is the only instruction that outputs
serial data on the D
OUT
pin. After the read instruction and
address have been decoded, data is transferred from the
selected memory register into a serial shift register. (Please
note that one logical “0” bit precedes the actual 16-bit
output data string.) The output on D
OUT
changes during the
low-to-high transitions of SK (see Figure 3).
Low Voltage Read
The IS93C46B has been designed to ensure that data
read operations are reliable in low voltage environments.
They provide accurate operation with Vcc as low as 2.5V.
Auto Increment Read Operations
In the interest of memory transfer operation applications,
the IS93C46B has been designed to output a continuous
stream of memory content in response to a single read
operation instruction. To utilize this function, the system
asserts a read instruction specifying a start location ad-
dress. Once the 16 bits of the addressed register have
been clocked out, the data in consecutively higher address
locations is output. The address will wrap around continu-
ously with CS HIGH until the chip select (CS) control pin is
brought
LOW
. This allows for single instruction data dumps
to be executed with a minimum of firmware overhead.
Applications
The IS93C46B is very popular in many high-volume
applications which require low-power, low-density
storage. Applications using this device include
industrial controls, networking, and numerous other
consumer electronics.
Endurance and Data Retention
The IS93C46B is designed for applications requiring up to
1M programming cycles (WRITE, WRALL, ERASE and
ERAL). It provides 40 years of secure data retention without
power after the execution of 1M programming cycles.
Device Operations
The IS93C46B is controlled by a set of instructions
which are clocked-in serially on the Din pin. Before
each low-to-high transition of the clock (SK), the CS pin
must have already been raised to HIGH, and the Din
value must be stable at either LOW or HIGH. Each
1
2
3
4
8
7
6
5
CS
SK
D
IN
D
OUT
VCC
NC
NC
GND
1
2
3
4
8
7
6
5
NC
VCC
CS
SK
NC
GND
D
OUT
D
IN
1
2
3
4
8
7
6
5
CS
SK
D
IN
D
OUT
VCC
NC
NC
GND
(Rotated)
8-Pin DIP, 8-Pin TSSOP
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| IS93C46B-3G | 1,024-BIT SERIAL ELECTRICALLY ERASABLE PROM |
| IS93C46B-3GI | 1,024-BIT SERIAL ELECTRICALLY ERASABLE PROM |
| IS93C46B-3GR | 1,024-BIT SERIAL ELECTRICALLY ERASABLE PROM |
| IS93C46B-3GRA | 1,024-BIT SERIAL ELECTRICALLY ERASABLE PROM |
| IS93C46B-3P | 1,024-BIT SERIAL ELECTRICALLY ERASABLE PROM |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| IS93C46B-3G | 制造商:ISSI 制造商全稱:Integrated Silicon Solution, Inc 功能描述:1,024-BIT SERIAL ELECTRICALLY ERASABLE PROM |
| IS93C46B-3GI | 制造商:ISSI 制造商全稱:Integrated Silicon Solution, Inc 功能描述:1,024-BIT SERIAL ELECTRICALLY ERASABLE PROM |
| IS93C46B-3GR | 制造商:Integrated Silicon Solution Inc 功能描述: |
| IS93C46B-3GRA | 制造商:ISSI 制造商全稱:Integrated Silicon Solution, Inc 功能描述:1,024-BIT SERIAL ELECTRICALLY ERASABLE PROM |
| IS93C46B-3GRI | 功能描述:電可擦除可編程只讀存儲(chǔ)器 2.5V 1Kb Industrial Temp RoHS:否 制造商:Atmel 存儲(chǔ)容量:2 Kbit 組織:256 B x 8 數(shù)據(jù)保留:100 yr 最大時(shí)鐘頻率:1000 KHz 最大工作電流:6 uA 工作電源電壓:1.7 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 |
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。