CAT28F001 View Datasheet(PDF) - Catalyst Semiconductor => Onsemi

Part Name

Description

View to exact match

CAT28F001

1 Megabit CMOS Boot Block Flash Memory

Catalyst Semiconductor => Onsemi 

CAT28F001

Figure 8. Alternate Boot Block Access Method Using OE

WRITE

WRITE PROGRAM OR VALID ADDRESS AND DATA (PROGRAM)

ERASE SETUP COMMAND

OR ERASE CONFIRM COMMAND

AUTOMATED PROGRAM

OR ERASE DELAY

READ STATUS

REGISTER DATA

VHH

OE VIH

VIL

WE

VIH

VIL

DATA VIH

VIL

tGHHWL

DIN

tWHGH

DIN

VALID

SR DATA

Figure 9. Alternate AC Waveform for Write Operations

VCC POWER-UP

& STANDBY

VIH

ADDRESSES

VIL

VIH

WE (W)

WRITE

WRITE PROGRAM OR VALID ADDRESS & DATA (PROGRAM) AUTOMATED PROGRAM

ERASE SETUP COMMAND OR ERASE CONFIRM COMMAND

OR ERASE DELAY

AIN

tAVAV

AIN

tAVEH

tEHAX

VIL

tWLEL

VIH

tEHWH

tEHGL

OE (a)

VIL

VIH

tEHEL

tEHQV 1, 2, 3, 4

CE (E)

VIL

tELEH

tDVEH

VIH

HIGH Z

tEHDX

DATA I/O

DIN

DIN

VIL

tPHEL

VHH

tPHHEH

6.5V

RP (P) VIH

VIL

VPPH

tVPEH

VPP (V)VPVPIHL

VIL

READ STATUS

REGISTER DATA

WRITE READ ARRAY

COMMAND

VALID

SRD

DIN

tQVPH

tQVVL

Doc. No. 25071-00 2/98 F-1

16

Share Link: