ace93c46 ACE Technology Co., LTD., ace93c46 Datasheet - Page 5

• Manufacturer Part Number: ace93c46
• Description: Three-wire Serial Eeprom
• Manufacturer: ACE Technology Co., LTD.

Note: 1. This parameter is characterized and is not 100% tested.
Functional Description
controlled by seven instructions issued by the host processor. A valid instruction starts with a rising edge of CS and
consists of a start bit (logic“1”) followed by the appropriate op code and the desired memory address location.
Instruction Set for the ACE93C46
Endurance
The ACE93C46 is accessed via a simple and versatile three-wire serial communication interface. Device operation is
Instruction SB
Symbol
REASE
WRITE
EWEN
WRAL
READ
ERAL
tpd1
tpd0
tdih
twp
tsv
tdf
(1)
1
1
1
1
1
1
Output Delay to “1”
Output Delay to “0”
CS to Status Valid
CS to DO in High
Write Cycle Time
DI Hold Time
Code
Impedance
Parameter
5.0V, 25℃
OP
10
00
01
00
00
11
Technology
11XXXXX
10XXXXX 10XXXX
01XXXXX 01XXXX D
A
A
A
6
6
6
*8
-A
-A
-A
Address
0
0
0
11XXXX
Relative to
A
A
A
AC Test
AC Test
AC Test
AC Test
CS=VIL
*16
5
5
5
-A
-A
-A
SK
0
0
0
Test Condition
D
7
7
*8
-D
-D
1.8V≦Vcc≦5.5V
1.8V≦Vcc≦5.5V
1.8V≦Vcc≦5.5V
1.8V≦Vcc≦5.5V
1.8V≦Vcc≦5.5V
2.7≦Vcc≦5.5V
2.7≦Vcc≦5.5V
2.7≦Vcc≦5.5V
2.7≦Vcc≦5.5V
2.7≦Vcc≦5.5V
4.5≦Vcc≦5.5v
4.5≦Vcc≦5.5v
4.5≦Vcc≦5.5v
4.5≦Vcc≦5.5v
4.5≦Vcc≦5.5v
Data
0
0
D
D
Three-wire Serial EEPROM
*16
15
15
-D
-D
0
0
Erases all memory locations. Valid
Writes all memory locations. Valid
Read data stored in memory, at
Writes memory location An-A0
Write enable must precede all
Erase memory location An-A0
only at VCC=4.5V to 5.5V
Min Typ Max
100
100
400
1M
programming modes
specified address
Comments
1.5
ACE93C46
1000
1000
1000
250
250
250
250
250
250
100
100
400
5
VER 1.2
Cycle
Units
Write
ms
ns
ns
ns
ns
ns
5