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參數(shù)資料
| 型號(hào)： | X25097M-2.7 |
| 英文描述： | 2-Phase Dual Synchronous PWM Controller with Oscillator Synchronization and Pre-Bias Startup; A IR3621 packaged in a 28-Pin TSSOP on Tape and Reel |
| 中文描述： | SPI串行EEPROM |
| 文件頁(yè)數(shù)： | 2/14頁(yè) |
| 文件大?。?/td> | 136K |
| 代理商： | X25097M-2.7 |
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FORNEWDESGN
X25097
Characteristics subject to change without notice.
2 of 14
REV 1.1 9/8/00
www.xicor.com
PIN DESCRIPTIONS
Serial Output (SO)
SO is a push/pull serial data output pin. During a read
cycle, data is shifted out on this pin. Data is clocked out
by the falling edge of the serial clock.
Serial Input (SI)
SI is a serial data input pin. All opcodes, byte
addresses, and data to be written to the memory are
input on this pin. Data is latched by the rising edge of
the serial clock.
Serial Clock (SCK)
The Serial Clock controls the serial bus timing for data
input and output. Opcodes, addresses, or data present
on the SI pin are latched on the rising edge of the clock
input, while data on the SO pin change after the falling
edge of the clock input.
Chip Select (CS)
It should be noted that after power-up, a HIGH to LOW
transition on CS is required prior to the start of any
operation.
When CS is HIGH, the X25097 is deselected and the
SO output pin is at high impedance, and unless an
internal write operation is underway, the X25097 will be
in the standby power mode. CS LOW enables the
X25097, placing it in the active power mode.
Write Protect (WP)
When WP is LOW, nonvolatile writes to the X25097 are
disabled, but the part otherwise functions normally.
When WP is held HIGH, all functions, including nonvol-
atile writes operate normally. WP going LOW while CS
is still LOW will interrupt a write to the X25097. If the
internal write cycle has already been initiated, WP
going low will have no affect on this write.
PIN NAMES
PIN CONFIGURATION
PRINCIPLES OF OPERATION
The X25097 is a 1024 x 8 EEPROM designed to inter-
face directly with the synchronous Serial Peripheral
Interface (SPI) of many popular microcontroller families.
Symbol
CS
SO
SI
SCK
WP
V
SS
V
CC
NC
Description
Chip Select Input
Serial Output
Serial Input
Serial Clock Input
Write Protect Input
Ground
Supply Voltage
No Connect
SCK
SI
V
SS
WP
NC
V
CC
CS
SO
8-Lead TSSOP
V
CC
NC
SCK
SI
CS
SO
WP
V
SS
1
2
3
4
8
7
6
5
8-Lead SOIC
X25097
X25097
1
2
3
4
8
7
6
5
V
CC
NC
SI
SCK
SO
CS
V
SS
WP
8-Lead MSOP
X25057
1
2
3
4
8
7
6
5
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| X25097MI-2.7 | 2-Phase Dual Synchronous PWM Controller with Oscillator Synchronization and Pre-Bias Startup; Similar to IR3621M with Lead-Free packaging. |
| X25097V-1.8 | 5MHz Low Power SPI Serial E 2 PROM with IDLock TM Memory |
| X25097PI-1.8 | XTAL MTL T/H HC49/U |
| X25097PI-2.7 | XTAL CER SMT 7X5 2PAD |
| X25097VI-1.8 | 5MHz Low Power SPI Serial E 2 PROM with IDLock TM Memory |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| X25097MI-2.7 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:SPI Serial EEPROM |
| X25097P | 制造商:ICMIC 制造商全稱:IC MICROSYSTEMS 功能描述:5MHz Low Power SPI Serial E2PROM with IDLockTM Memory |
| X25097P-1.8 | 制造商:ICMIC 制造商全稱:IC MICROSYSTEMS 功能描述:5MHz Low Power SPI Serial E2PROM with IDLockTM Memory |
| X25097P-2.7 | 制造商:ICMIC 制造商全稱:IC MICROSYSTEMS 功能描述:5MHz Low Power SPI Serial E2PROM with IDLockTM Memory |
| X25097PG | 制造商:ICMIC 制造商全稱:IC MICROSYSTEMS 功能描述:5MHz Low Power SPI Serial E2PROM with IDLockTM Memory |
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