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CAT28F001H-12T

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18
CAT28F001
13
Doc. No. MD-1078, Rev. K
© 2008 SCILLC. All rights reserved.
Characteristics subject to change without notice
Bus
Operation Command Comments
Write Erase Data = B0H
Suspend
Standby/ Read Status Register
Ready Check SR.7
1 = Ready, 0 = Busy
Toggle OE or CE to Update
Status Register
Standby Check SR.6
1 = Suspended
Write Read Array Data = FFH
Read Read array data from block other
than that being erased.
Write Erase Resume Data = D0H
START
WRITE B0H
READ STATUS
REGISTER
SR.7 = 1?
SR.6 = 1?
CONTINUE
ERASE
NO
DONE
READING?
WRITE FFH
WRITE D0H
NO
ERASE HAS
COMPLETED
YES
YES
NO
YES
Figure 6 Block Erase Suspend/Resume Flowchart
CAT28F001
14
Doc. No. MD-1078, Rev. K
© 2008 SCILLC. All rights reserved.
Characteristics subject to change without notice
POWER UP/DOWN PROTECTION
The CAT28F001 offers protection against inadvertent
programming during V
PP
and V
CC
power transitions.
When powering up the device there is no power-on
sequencing necessary. In other words, V
PP
and V
CC
may power up in any order. Additionally V
PP
may be
hardwired to V
PPH
independent of the state of V
CC
and
any power up/down cycling. The internal command
register of the CAT28F001 is reset to the Read Mode on
power up.
POWER SUPPLY DECOUPLING
To reduce the effect of transient power supply voltage
spikes, it is good practice to use a 0.1µF ceramic
capacitor between V
CC
and V
SS
and V
PP
and V
SS
. These
high-frequency capacitors should be placed as close as
possible to the device for optimum decoupling.
Figure 7. A.C. Timing for Program/Erase Operation
ADDRESSES (A)
CE (E)
OE (G)
WE (W)
DATA (I/O)
RP (P)
V
PP
(V)
V
IL
V
IH
V
PPL
V
PPH
V
IL
V
IH
6.5V
V
HH
V
IL
V
IH
V
IL
V
IH
V
IL
V
IH
t
ELWL
t
WHEH
t
AVAV
A
IN
A
IN
t
AVWH
t
WHAX
t
WHGL
t
WHWL
t
PHWL
t
DVWH
t
WLWH
t
WHDX
t
PHHWH
t
QVPH
t
VPWH
t
QVVL
D
IN
D
IN
VALID
SRD
D
IN
HIGH Z
V
IH
V
IH
V
CC
POWER-UP
& STANDBY
WRITE PROGRAM OR
ERASE SETUP COMMAND
AUTOMATED PROGRAM
OR ERASE DELAY
READ STATUS
REGISTER DATA
WRITE READ ARRAY
COMMAND
WRITE
VALID ADDRESS & DATA (PROGRAM)
OR ERASE CONFIRM COMMAND
V
IL
V
IL
t
WHQV
1, 2, 3, 4
CAT28F001
15
Doc. No. MD-1078, Rev. K
© 2008 SCILLC. All rights reserved.
Characteristics subject to change without notice
ALTERNATE CE-CONTROLLED WRITES
V
CC
= +5V ±10%, unless otherwise specified
Note:
(1) This parameter is tested initially and after a design or process change that affects the parameter.
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P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18

CAT28F001H-12T

Mfr. #:
Buy CAT28F001H-12T
Manufacturer:
ON Semiconductor
Description:
IC FLASH 1M PARALLEL 32TSOP
Lifecycle:
New from this manufacturer.
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