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AT25DN256 Datasheet, PDF (30/39 Pages) List of Unclassifed Manufacturers – 256-Kbit, 2.3V Minimum SPI Serial Flash Memory with Dual-Read Support
13.5 AC Characteristics – All Other Parameters
Symbol
tEUDPD.
tSWRST
tCSLU
tXUDPD
tRDPD(1)
Parameter
Chip Select High to Ultra Deep Power-Down
Software Reset Time
Minimum Chip Select Low to Exit Ultra Deep Power-Down
Exit Ultra Deep Power-Down Time
Chip Select High to Standby Mode
2.3V to 3.6V
Min
Typ
Max
3
50
20
70
8
Notes: 1. Not 100% tested (value guaranteed by design and characterization).
2. Only applicable as a constraint for the Write Status Register command when BPL = 1.
Units
µs
µs
ns
µs
µs
13.6 Program and Erase Characteristics
Symbol
tPP(1)
tBP
tPE
Parameter
Page Program Time (256 Bytes)
Byte Program Time
Page Erase Time
tBLKE(1)
Block Erase Time
tCHPE(1)(2)
tOTPP(1)
tWRSR(2)
Chip Erase Time
OTP Security Register Program Time
Write Status Register Time
Min
4 Kbytes
32 Kbytes
Note: 1. Maximum values indicate worst-case performance after 100,000 erase/program cycles.
2. Not 100% tested (value guaranteed by design and characterization).
2.3V-3.6V
Typ Max
1.5
3.0
8
6
25
40
50
320 400
320 400
400 950
20
40
Units
ms
µs
ms
ms
ms
µs
ms
13.7 Power-up Conditions
Symbol
tVCSL
tPUW
VPOR
Parameter
Minimum VCC to Chip Select Low Time
Power-up Device Delay Before Program or Erase Allowed
Power-on Reset Voltage
Min Max Units
70
µs
5
ms
1.6
2.2
V
AT25DN256 30
DS-25DN256–039B–5/2014