X76F100 Datasheet, PDF (6/17 Pages) Xicor Inc. – 1K 128 x 8 Bit

X76F100
Figure 4. Sector Write Sequence (Password Required)
Host
Commands
X76F100
Response
SDA _S
Write
Command
Write
Password
7
If ACK, Then
Password Matches
Host
Commands
Password ACK
Command
S
X76F100
Responce
Figure 5. Acknowledge Polling
SCL
8th CLK
of 8th
Pwd. Byte
‘ACK’
CLK
SDA
‘ACK’
Start
Condition
Figure 6. Sector Read Sequence (Password Required)
Host
Commands
X76F100
Response
SDA _S
Read
Command
If ACK, Then
Password Matches
Host
Commands
Password ACK
Command
S
X76F100
Response
Read
Password
7
Data 0
Write
Password
0
Wait t_WC
OR
Password
ACK
Command
P
Wait t_WC
Data ACK Polling
8th
CLK
8th Bit
‘ACK’
CLK
ACK or
no ACK
Read
Password
0
Wait t_WC
OR
Password
ACK
Command
P
Data n
REV 1.0 6/22/00
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Characteristics subject to change without notice. 6 of 16