28F320J5 and 28F640J5
6.7
Block Erase, Program, and Lock-Bit Configuration
Performance(1,2)
#
Sym
Parameter
Notes
Typ(3)
Max
Unit
W16
W16
Write Buffer Program Time
4,5,6,7
218
654
µs
t
t
WHQV3
EHQV3
Byte Program Time (Using Word/Byte Program Command)
Block Program Time (Using Write to Buffer Command)
Block Erase Time
4
4
4
210
0.8
1.0
630
2.4
5.0
µs
sec
sec
t
t
WHQV4
EHQV4
W16
W16
W16
W16
t
t
WHQV5
EHQV5
Set Lock-Bit Time
4
4
64
.50
26
75
7.0
35
µs
sec
µs
t
t
WHQV6
EHQV6
Clear Block Lock-Bits Time
Erase Suspend Latency Time to Read
t
t
WHRH
EHRH
NOTES:
1. These performance numbers are valid for all speed versions.
2. Sampled but not 100% tested.
3. Typical values measured at T = +25 °C and nominal voltages. Assumes corresponding lock-bits are not set.
A
Subject to change based on device characterization.
4. Excludes system-level overhead.
5. These values are valid when the buffer is full, and the start address is aligned on a 32-byte boundary.
6. Effective per-byte program time (t
7. Effective per-word program time (t
, t
) is 6.8 µs/byte (typical).
) is 13.6 µs/byte (typical).
WHQV1 EHQV1
, t
WHQV2 EHQV2
Datasheet
49
INTEL [ INTEL ]
