HY29F800
AC CHARACTERISTICS
Enter Erase
Suspend
Program
Enter Automatic
Erase
Erase
Suspend
Erase
Resume
WE#
Erase
Erase
Erase
Erase
Erase
Erase
Suspend
Read
Suspend
Program
Suspend
Read
Complete
DQ[6]
DQ[2]
Notes:
1. The system may use CE# or OE# to toggle DQ[2] and DQ[6]. DQ[2] toggles only when read at an address within an
erase-suspended sector.
Figure 21. DQ[2] and DQ[6] Operation
Sector Protect and Unprotect, Temporary Sector Unprotect
Parameter
JEDEC Std
Speed Option
Description
Unit
- 55 - 70 - 90 - 12
tST
Voltage Setup Time
Min
Min
4
µs
µs
RESET# Setup Time for
Temporary Sector Unprotect
tRSP
4
tCE Chip Enable to Output Delay
Max 55
Max 25
Min
70
30
90
35
120
50
ns
ns
ns
ns
µs
ms
µs
µs
tOE Output Enable to Output Delay
tVIDR VID Transition Time forTemporary Sector Unprotect 1
tVLHT VID Transition Time for Sector Protect and Unprotect 1 Min
500
500
100
10
4
tWPP1 Write Pulse Width for Sector Protect
tWPP2 Write Pulse Width for Sector Unprotect
tOESP OE# Setup Time to WE# Active 1
tCSP CE# Setup Time to WE# Active 1
Min
Min
Min
Min
4
Notes:
1. Not 100% tested.
VID
RESET#
0 or 5V
0 or 5V
tVIDR
tVIDR
CE#
WE#
tRSP
RY/BY#
Figure 22. Temporary Sector Unprotect Timings
Rev. 4.0/Jan. 00
31
ETC [ ETC ]
