W29EE011-90 Winbond Electronics, W29EE011-90 Datasheet - Page 11

• Manufacturer Part Number: W29EE011-90
• Manufacturer: Winbond Electronics

Specifications of W29EE011-90

• Density: 1Mb
• Access Time (max): 90ns
• Interface Type: Parallel
• Boot Type: Not Required
• Address Bus: 17b
• Operating Supply Voltage (typ): 5V
• Operating Temp Range: 0C to 70C
• Package Type: PDIP
• Program/erase Volt (typ): 5V
• Sync/async: Asynchronous
• Operating Temperature Classification: Commercial
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Word Size: 8b
• Number Of Words: 128K
• Supply Current: 50mA
• Mounting: Through Hole
• Pin Count: 32
• Lead Free Status / Rohs Status: Not Compliant

7.4
7.4.1 Software Product Identification Acquisition Flow
Notes for software product identification:
(1) Data format: DQ7 − DQ0 (Hex); address format: A14 − A0 (Hex).
(2) A1 − A16 = V
(3) The device does not remain in identification mode if power down.
(4) The device returns to standard operation mode.
BYTE SEQUENCE
Command Codes for Product Identification
0 Write
1 Write
2 Write
3 Write
4 Write
5 Write
Product Identification Entry(1)
IL
; manufacture code is read for A0 = V
address 5555
address 5555
address 2AAA
address 5555
address 2AAA
Load data AA
address 5555
Load data 80
Load data 60
Pause 10
Load data AA
Load data 55
Load data 55
to
to
to
to
to
to
ADDRESS
µ
2AAAH
2AAAH
5555H
5555H
5555H
5555H
S
IDENTIFICATION ENTRY
SOFTWARE PRODUCT
Pause 10 µS
Product Identification Mode(2, 3)
Read address = 0
Read address = 1
IL
; device code is read for A0 = V
data = DA
data = C1
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DATA
AAH
AAH
55H
80H
55H
60H
Publication Release Date: April 11, 2006
Product Identification Exit(1)
2AAAH
ADDRESS
5555H
5555H
IDENTIFICATION EXIT
IH
address 2AAA
SOFTWARE PRODUCT
Load data AA
Load data FO
address 5555
address 5555
Load data 55
Normal Mode
Pause 10
.
-
-
-
to
to
to
Pause 10 µS
µ S
m
W29EE011
(4)
DATA
AAH
Revision A18
F0H
55H
-
-
-