P r e l i m i n a r y
AC Characteristics
Erase and Program Operations-S29GL256M only
Parameter
Speed Options
Unit
JEDEC
Std.
Description
Write Cycle Time (Note 1)
10
11
t
t
Min
Min
Min
Min
100
110
ns
ns
ns
ns
AVAV
WC
t
t
Address Setup Time
0
AVWL
WLAX
AS
t
Address Setup Time to OE# low during toggle bit polling
Address Hold Time
15
45
ASO
t
t
AH
Address Hold Time From CE# or OE# high during toggle bit
polling
t
Min
0
ns
AHT
t
t
t
Data Setup Time
Min
Min
Min
Min
Min
Min
Min
Min
Min
Typ
Typ
Typ
Typ
Min
Min
Min
Max
45
0
ns
ns
ns
ns
ns
ns
ns
ns
ns
DVWH
DS
t
Data Hold Time
WHDX
DH
t
CE# High during toggle bit polling
OE# High during toggle bit polling
Read Recovery Time Before Write (OE# High to WE# Low)
CE# Setup Time
20
20
0
CEPH
OEPH
t
t
t
t
GHWL
GHWL
t
t
t
0
ELWL
WHEH
WLWH
CS
CH
WP
CE# Hold Time
0
t
t
Write Pulse Width
35
30
240
60
54
0.5
250
50
t
t
Write Pulse Width High
WHDL
WPH
Write Buffer Program Operation (Notes 2, 3)
Single Word Program Operation (Note 2)
Accelerated Single Word Program Operation (Note 2)
Sector Erase Operation (Note 2)
t
t
t
t
µs
WHWH1
WHWH2
WHWH1
WHWH2
sec
ns
µs
ns
µs
t
V
V
Rise and Fall Time (Note 1)
Setup Time (Note 1)
VHH
HH
CC
t
VCS
t
WE# High to RY/BY# Low
100
110
BUSY
t
Program Valid before Status Polling
4
POLL
Notes:
1. Not 100% tested.
2. See the “Erase and Programming Performance” section for more information.
3. For 1–16 words/1–32 bytes programmed.
4. If a program suspend command is issued within t
, the device requires t
before reading status data, once programming has resumed
POLL
POLL
(that is, the program resume command has been written). If the suspend command was issued after t
immediately after programming has resumed. See Figure 17.
, status data is available
POLL
128
S29GLxxxM MirrorBitTM Flash Family
S29GLxxxM_00A5 April 30, 2004