English
Language : 

M58PR256LE Datasheet, PDF (78/119 Pages) STMicroelectronics – 256-Mbit, 512-Mbit or 1-Gbit (× 16, multiple bank, multilevel, burst) 1.8 V supply Flash memories
DC and AC parameters
M58PR256LE, M58PR512LE, M58PR001LE
Table 30. Synchronous read AC characteristics
Symbol
Alt
Parameter
108 MHz 66 MHz Unit
tAVKH tAVCLKH Address Valid to Clock High
Min
5
tELKH tELCLKH Chip Enable Low to Clock High
Min
5
tEHEL
Chip Enable Pulse width (subsequent
synchronous reads)
Min
9
tEHTZ
Chip Enable High to Wait Hi-Z
tKHAX tCLKHAX Clock High to Address transition
tKHQV
tKHTV
Clock High to Output Valid
tCLKHQV Clock High to WAIT Valid
tKHQX
tKHTX
Clock High to Output transition
tCLKHQX Clock High to WAIT transition
tLLKH tADVLCLKH Latch Enable Low to Clock High
tLLTV
Latch Enable Low to WAIT Valid
tKHKH
Clock period (f=66 MHz)
tCLK Clock period (f=108 MHz)
Max
9
Min
5
Max
7
Min
2
Min
5
Max
14
Min
Min
9
tKHKL
tKLKH
tf
tr
Clock High to Clock Low
Clock Low to Clock High
Clock fall or rise time
Min
2.5
Min
0.3
Max
2
5
ns
5
ns
11
ns
11
ns
5
ns
11
ns
3
ns
5
ns
14
ns
15
ns
ns
3.5 ns
-
ns
3
ns
1. Sampled only, not 100% tested.
2. For other timings please refer to Table 29: Asynchronous read AC characteristics.
78/119