AT24MAC402-SSHM-T Atmel, AT24MAC402-SSHM-T Datasheet - Page 13

• Manufacturer Part Number: AT24MAC402-SSHM-T
• Description: EEPROM 2-Kbit Serial EEPROM
• Manufacturer: Atmel

Specifications of AT24MAC402-SSHM-T

• Rohs: yes
• Memory Size: 2 Kbit
• Organization: 256 B x 8
• Data Retention: 100 yr
• Maximum Clock Frequency: 1000 KHz
• Maximum Operating Current: 6 uA
• Operating Supply Voltage: 1.7 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: SOIC-8

Table 7-1.
Table 7-2.
Note:
Table 7-3.
Command
Set PSWP
Set RSWP
Clear RSWP
V
Read PSWP
Read PSWP
Read RSWP
Read RSWP
Clear RSWP
Clear RSWP
Command
Set RSWP
Set RSWP
HV
Set PSWP
Set PSWP
1010
1010
1010
1010
V
HV
Write Protection
V
– V
WP Connected to GND or Floating
HV
R/W
CC
Bit
W
W
W
W
W
W
W
W
W
R
R
R
R
R
A
A
> 4.8V
0
0
2
2
Min
7
Register PSWP
Not Programmed
Not Programmed
Not Programmed
Not Programmed
Write Protect
Permanent
Programmed
Programmed
Programmed
Programmed
V
Pin
A
A
0
CC
1
1
X
X
X
X
X
X
Max
V
V
10
A
A
HV
HV
0
0
Not Programmed
Not Programmed
Not Programmed
Write Protect
WP Connected to GND or Floating
Reversible
Programmed
Programmed
Programmed
Register
RSWP
Bit 7
0
0
0
X
X
X
X
X
X
X
X
Units
Atmel AT24MAC402/602 [PRELIMINARY DATASHEET]
V
Bit 6
1
1
1
Response
Device
No ACK
No ACK
No ACK
No ACK
No ACK
from
ACK
ACK
ACK
ACK
ACK
ACK
ACK
ACK
ACK
Bit 5
1
1
1
Read Array.
Can write to second-half (80h - FFh) only.
Can write to second-half (80h - FFh) only.
Can write to full array.
STOP – Indicates Permanent Write Protect Register is
programmed.
Data read out is undefined. Indicates PSWP Register is
not programmed.
STOP – Indicates Permanent Write Protect Register is
programmed.
Program Permanent Write Protect Register
(irreversible).
STOP – Indicates Reversible Write Protect Register is
programmed.
Data read out is undefined. Indicates RSWP Register is
not programmed.
STOP – Indicates Reversible Write Protect Register is
programmed.
Program Reversible Write Protect Register (reversible).
STOP – Indicates Permanent Write Protect Register is
programmed.
Clear (unprogram) Reversible Write Protect Register
(reversible).
Preamble
Bit 4
0
0
0
Bit 3
A
Action from Device
0
0
2
Bit 2
A
0
1
8807B–SEEPR–9/2012
1
Bit 1
A
1
1
0
Bit 0
R/W
0
0
0
13