Electronic Components Datasheet Search
  English  ▼

Delete All
ON OFF
ALLDATASHEET.COM

X  

Preview PDF Download HTML

TMS29LF040 Datasheet(PDF) 5 Page - Texas Instruments

Part No. TMS29LF040
Description  524288 BY 8-BIT FLASH MEMORIES
Download  38 Pages
Scroll/Zoom Zoom In 100% Zoom Out
Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
Logo 

TMS29LF040 Datasheet(HTML) 5 Page - Texas Instruments

 
Zoom Inzoom in Zoom Outzoom out
 5 / 38 page
background image
TMS29LF040, TMS29VF040
524288 BY 8-BIT
FLASH MEMORIES
SMJS825D – SEPTEMBER 1995 – REVISED JUNE 1998
5
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251–1443
operation
Table 1 summarizes the operation modes.
Table 1. Operation Modes
MODE
FUNCTIONS†
MODE
E
G
W
A0
A1
A6
A9
DQ0 – DQ7
Read
VIL
VIL
VIH
A0
A1
A6
A9
Data out
Output disable
VIL
VIH
VIH
X
X
X
X
Hi-Z
Standby and write inhibit
VIH
X
X
X
X
X
X
Hi-Z
Algorithm selection mode
VIL
VIL
VIH
VIL
VIL
VIL
VID
Mfr. equivalent code 97h
Algorithm-selection mode
VIL
VIL
VIH
VIH
VIL
VIL
VID
Device equivalent code 94h
Write‡
VIL
VIH
VIL
A0
A1
A6
A9
Data in
Sector-protect§
VIL
VID
VIL
X
X
X
VID
X
Sector-protect verify§
VIL
VIL
VIH
VIL
VIH
VIL
VID
Data out
Sector-unprotect§¶
VID
VID
VIL
X
X
VIH
VID
X
Sector-unprotect verify§
VIL
VIL
VIH
VIL
VIH
VIH
VID
Data out
Erase operations
VIL
VIH
See
Note 1
See
Note 1
See
Note 1
See
Note 1
See
Note 1
See Note 1
† X can be VIL or VIH.
‡ See Table 3 for valid address and data during write (byte program).
§ Operation at VCC = 3.3 V and TA = 25°C.
¶ Address pins A12 and A16 = VIH.
NOTE 1: See Figure 6 through Figure 9.
read mode
To read the output of the TMS29xF040, a low-level logic signal is applied to the E and G pins. When two or more
TMS29xF040 devices are connected in parallel, the output of any one device can be read without interference.
The E pin is power control and is used for device selection. The G pin is output control and is used to gate the
data output onto the bus from the selected device.
The address-access time (tAVQV) is the delay from stable address to valid output data. The chip-enable access
time (tELQV) is the delay from E = VIL and stable addresses to valid output data. The output-enable access time
(tGLQV) is the delay from G = VIL to valid output data when E = VIL and addresses are stable for at least the
duration of tAVQV–tGLQV.
standby mode
The ICC supply current is reduced by applying a logic-high level on E to enter the standby mode. In the standby
mode, the outputs are placed in the high-impedance state. Applying a CMOS logic-high level on E reduces the
current to 100
µA maximum.
If the TMS29xF040 is deselected during erasure or programming, the device continues to draw active current
until the operation is complete.
output disable
When either G = VIH or E = VIH, output from the device is disabled and the output pins (DQ0–DQ7) are placed
in the high-impedance state.


Html Pages

1  2  3  4  5  6  7  8  9  10  11  12  13  14  15  16  17  18  19  20  21  22  23  24  25  26  27  28  29  30  31  32  33  34  35  36  37  38 


Datasheet Download




Link URL




Privacy Policy
ALLDATASHEET.COM
Does ALLDATASHEET help your business so far?  [ DONATE ]  

About Alldatasheet   |   Advertisement   |   Datasheet Upload   |   Contact us   |   Privacy Policy   |   Alldatasheet API   |   Link Exchange   |   Manufacturer List
All Rights Reserved© Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn