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CAT93HC46 데이터시트 PDF




Catalyst Semiconductor에서 제조한 전자 부품 CAT93HC46은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


 

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부품번호 CAT93HC46 기능
기능 1-kb High Speed Microwire Serial EEPROM
제조업체 Catalyst Semiconductor
로고 Catalyst Semiconductor 로고


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CAT93HC46 데이터시트, 핀배열, 회로
www.DataSheet4U.com
CAT93HC46
1-kb High Speed Microwire Serial EEPROM
FEATURES
s High speed operation: 4 MHz @ 5.0 V
s 1.8 to 5.5 volt operation
s Selectable x8 or x16 word organization
s Sequential Read
s Software write protection
s Power-up inadvertent write protection
ALOGEN FR
LEA D F REETM
s Low power CMOS technology
s 1,000,000 program/erase cycles
s 100 year data retention
s Industrial and extended temperature ranges
s 8-Lead PDIP, SOIC, MSOP and TSSOP
packages
DESCRIPTION
The CAT93HC46 is a 1-kb Serial EEPROM memory
device which is configured as registers of either 16 bits
(ORG pin at VCC) or 8 bits (ORG pin at GND). Each
register can be written (or read) serially by using the DI
(or DO) pin. The CAT93HC46 is manufactured using
Catalyst’s advanced CMOS EEPROM floating gate
technology. The device is designed to endure 1,000,000
program/erase cycles and has a data retention of 100
years. The CAT93HC46 is available in 8-pin DIP, SOIC,
MSOP or TSSOP packages.
PIN CONFIGURATION
DIP Package (P, L) SOIC Package (J, W)
CS 1
SK 2
DI 3
DO 4
8 VCC NC 1
7 NC VCC 2
6 ORG CS 3
5 GND SK 4
8 ORG
7 GND
6 DO
5 DI
SOIC Package (S, V) MSOP Package (R, Z)
CS 1
SK 2
DI 3
DO 4
8 VCC CS 1
7 NC
SK 2
6 ORG DI 3
5 GND DO 4
8 VCC
7 NC
6 ORG
5 GND
TSSOP Package (U, Y)
CS 1
SK 2
DI 3
DO 4
8 VCC
7 NC
6 ORG
5 GND
Note: When the ORG pin is connected to VCC, the X16
organization is selected. When it is connected to ground,
the X8 pin is selected. If the ORG pin is left unconnected,
then an internal pullup device will select the X16
organization.
FUNCTIONAL SYMBOL
VCC
ORG
DI
SK
CS
CAT93HC46
DO
VSS
PIN FUNCTIONS
Pin Name
CS
SK
DI
DO
VCC
GND
ORG
NC
Function
Chip Select
Clock Input
Serial Data Input
Serial Data Output
1.8 to 5.5 V Power Supply
Ground
Memory Organization
No Connection
© 2004 by Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
1
Doc. No. 1008,Rev. G




CAT93HC46 pdf, 반도체, 판매, 대치품
www.DCatAaSTh9ee3t4HU.Cco4m6
DEVICE OPERATION
The CAT93HC46 is a 1024-bit nonvolatile memory
intended for use with industry standard microprocessors.
The CAT93HC46 can be organized as registers of either
16 bits or 8 bits. When organized as X16, seven 9-bit
instructions control the reading, writing and erase
operations of the device. When organized as X8, seven
10-bit instructions control the operation of the device.
The CAT93HC46 operates on a single power supply and
will generate on chip the high voltage required during
write operation.
Instructions, addresses, and data are clocked into the DI
pin on the rising edge of the clock (SK). The DO pin is
normally in a high impedance state, except when reading
data from the device, or when checking the ready/busy
status after a write operation.
INSTRUCTION SET
The ready/busy status can be determined after the start
of a write operation by selecting the device (CS high) and
polling the DO pin; DO low indicates that the write
operation is not completed, while DO high indicates that
the device is ready for the next instruction. If necessary,
the DO pin may be placed back into a high impedance
state by shifting a dummy 1into the DI pin. The DO pin
will enter the high impedance state on the falling edge of
the clock (SK). Placing the DO pin into the high impedance
state is recommended in applications where the DI pin
and the DO pin are to be tied together to form a common
DI/O pin.
The format for all instructions sent to the device is a
logical "1" start bit, a 2-bit (or 4-bit) opcode, 6-bit byte/
word address (an additional bit when organized X8) and
for write operations a 16-bit data field (8-bit for X8
organization).
Instruction
READ
ERASE
WRITE
EWEN
EWDS
ERAL
WRAL
Start
Address
Bit Opcode x8
x16
1 10 A6-A0 A5-A0
1 11 A6-A0 A5-A0
1 01 A6-A0 A5-A0
1 00 11XXXXX 11XXXX
1 00 00XXXXX 00XXXX
1 00 10XXXXX 10XXXX
1 00 01XXXXX 01XXXX
Data
x8 x16 Comments
Read Address ANA0
Clear Address ANA0
D7-D0 D15-D0 Write Address ANA0
Write Enable
Write Disable
Clear All Addresses
D7-D0 D15-D0 Write All Addresses
Figure 1. Sychronous Data Timing
tSKHI
SK
tDIS
DI VALID
tCSS
CS
DO
Doc. No. 1008, Rev. G
tSKLOW
VALID
tDIH
tCSH
tDIS
4
tPD0,tPD1
DATA VALID
tCSMIN

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CAT93HC46 전자부품, 판매, 대치품
www.DataSheet4U.com
Figure 5. EWEN/EWDS Instruction Timing
SK
CS
DI
1 00
*
* ENABLE=11
DISABLE=00
CAT93HC46
STANDBY
Figure 6. ERAL Instruction Timing
SK
CS
DI
1
00
10
HIGH-Z
DO
Figure 7. WRAL Instruction Timing
SK
CS
DI
1
000
1
DO
STATUS VERIFY
tCS MIN
STANDBY
tSV
BUSY
tEW
READY
tHZ
HIGH-Z
STATUS VERIFY STANDBY
DN D0
tCS MIN
tSV tHZ
BUSY
tEW
READY
HIGH-Z
7 Doc. No. 1008, Rev. G

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CAT93HC46

1-kb High Speed Microwire Serial EEPROM

Catalyst Semiconductor
Catalyst Semiconductor

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