8
AT17N256/512/010/002/040
3020C–CNFG–08/07
Notes: 1. AC test lead = 50 pF.
2. Float delays are measured with 5 pF AC loads. Transition is measured ± 200 mV from steady-state active levels.
DC Characteristics
V
CC
= 3.3V ± 10%
Symbol Description
AT17N256
AT17N512/
AT17N010
AT17N002/
AT17N040
UnitsMin Max Min Max Min Max
V
IH
High-level Input Voltage 2.0 V
CC
2.0 V
CC
2.0 V
CC
V
V
IL
Low-level Input Voltage 0 0.8 0 0.8 0 0.8 V
V
OH
High-level Output Voltage
(I
OH
= -2.5 mA)
Commercial
2.4 2.4 2.4 V
V
OL
Low-level Output Voltage
(I
OL
= +3 mA) 0.4 0.4 0.4 V
V
OH
High-level Output Voltage
(I
OH
= -2 mA)
Industrial
2.4 2.4 2.4 V
V
OL
Low-level Output Voltage
(I
OL
= +3 mA) 0.4 0.4 0.4 V
I
CCA
Supply Current, Active Mode 5 5 5 mA
I
L
Input or Output Leakage Current
(V
IN
= V
CC
or GND) -10 10 -10 10 -10 10 µA
I
CCS
Supply Current, Standby Mode
Commercial 50 100 150 µA
Industrial 100 100 150 µA
AC Characteristics
V
CC
= 3.3V ± 10%
Symbol Description
AT17N256 AT17N512/010/002/040
Units
Commercial Industrial Commercial Industrial
Min Max Min Max Min Max Min Max
T
OE
(1)
OE to Data Delay 50 55 50 55 ns
T
CE
(1)
CE to Data Delay 60 60 55 60 ns
T
CAC
(1)
CLK to Data Delay 75 80 55 60 ns
T
OH
Data Hold from CE, OE, or CLK 0 0 0 0 ns
T
DF
(2)
CE or OE to Data Float Delay 55 55 50 50 ns
T
LC
CLK Low Time 25 25 25 25 ns
T
HC
CLK High Time 25 25 25 25 ns
T
SCE
CE Setup Time to CLK
(to guarantee proper counting)
35 60 30 35 ns
T
HCE
CE Hold Time from CLK
(to guarantee proper counting)
0000 ns
T
HOE
OE High Time (guarantees counter is reset) 25 25 25 25 ns
F
MAX
Maximum Clock Frequency 10 10 15 10 MHz
