SB72-301CR NetBurner Inc, SB72-301CR Datasheet - Page 49

• Manufacturer Part Number: SB72-301CR
• Description: Ethernet Modules & Development Tools 32Bit 62MHz Single Board Module RJ45
• Manufacturer: NetBurner Inc

Specifications of SB72-301CR

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

17.6
February 23, 2010 S29AL008J_00_09
Alternate CE# Controlled Erase/Program Operations
Notes
1. Not 100% tested.
2. See
Notes
1. PA = program address, PD = program data, DQ7# = complement of the data written to the device, D
2. Figure indicates the last two bus cycles of the command sequence.
3. Word mode address used as an example.
t
t
JEDEC
t
WHWH1
WHWH2
t
t
t
t
t
t
t
t
t
EHWH
DVEH
EHDX
GHEL
WLEL
ELEH
EHEL
AVAV
AVEL
ELAX
Erase and Programming Performance on page 50
Addresses
Parameter
RESET#
RY/BY#
WE#
Data
OE#
CE#
t
t
WHWH1
WHWH2
t
t
t
GHEL
t
SR/W
Std
t
t
t
t
t
t
t
OES
t
CPH
WC
WS
WH
AH
DS
DH
CP
AS
Figure 17.13 Alternate CE# Controlled Write Operation Timings
t
RH
555 for program
2AA for erase
D a t a
Write Cycle Time
Address Setup Time
Address Hold Time
Data Setup Time
Data Hold Time
Output Enable Setup Time
Read Recovery Time Before Write
(OE# High to WE# Low)
WE# Setup Time
WE# Hold Time
CE# Pulse Width
CE# Pulse Width High
Latency Between Read and Write Operations
Programming Operation
Sector Erase Operation
t
t
t
WS
WC
WH
S h e e t
A0 for program
55 for erase
t
GHEL
t
t
t
DS
CP
PA for program
SA for sector erase
555 for chip erase
CPH
S29AL008J
t
(Note 1)
AS
t
DH
Description
(Note 2)
(Note 2)
for more information.
t
AH
PD for program
30 for sector erase
10 for chip erase
t
BUSY
t
WHWH1 or 2
Byte
Word
Data# Polling
Min
Min
Min
Min
Min
Min
Min
Min
Min
Min
Min
Min
Typ
Typ
Typ
DQ7#
PA
OUT
D
OUT
= data written to the device.
Speed Options
55
55
35
35
0.5
45
25
20
0
0
0
0
0
0
6
6
70
70
35
35
Unit
sec
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
µs
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