TMS28F400BZT Datasheet, PDF (25/29 Pages) Texas Instruments – 8-BIT/262144 BY 16-BIT BOOT-BLOCK FLASH MEMORIES

TMS28F400BZT, TMS28F400BZB
524288 BY 8-BIT/262144 BY 16-BIT
BOOT-BLOCK FLASH MEMORIES
SMJS400E – JUNE 1994 – REVISED JANUARY 1998
PARAMETER MEASUREMENT INFORMATION
Power Up
and
A _–1 – A17 Standby
(byte-wide)
A0 – A17
(word-wide)
Write
Erase-Setup
Command
tc( _{W )}
W
Write Erase-
Confirm
Command
Automated
Erase
tsu(A)
th(A)
Read Status-
Register Bits
Write
Read-Array
Command
tsu( _{W )}
th( _{W )}
G
E
DQ0 – DQ7
(byte-wide)
DQ0 – DQ15
(word-wide)
tw(EH)
tw(E)
tsu(D)
th(D)
Hi-Z
20h
trec(RPHE)
tc(E)ERB
tc(E)ERP
tc(E)ERM
D0h
Hi-Z
tsu(RP)
Valid SR
th(RP)
FFh
Hi-Z
RP
tsu( _VPP)2
th( _VPP)
VPP
Figure 11. Erase-Cycle Timing (E-Controlled Write)
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