AT93C46_14 Datasheet, PDF (4/18 Pages) ATMEL Corporation – Low-voltage and Standard-voltage Operation

Table 4. AC Characteristics
Applicable over recommended operating range from T_AI = −40°C to + 85°C, V_CC = As Specified,
CL = 1 TTL Gate and 100 pF (unless otherwise noted)
Symbol
Parameter
Test Condition
Min
Typ
f_SK
SK Clock
Frequency
4.5V ≤ V_CC ≤ 5.5V
2.7V ≤ V_CC ≤ 5.5V
1.8V ≤ V_CC ≤ 5.5V
0
0
0
4.5V ≤ V_CC ≤ 5.5V
t_SKH
SK High Time
2.7V ≤ V_CC ≤ 5.5V
1.8V ≤ V_CC ≤ 5.5V
250
250
1000
4.5V ≤ V_CC ≤ 5.5V
t_SKL
SK Low Time
2.7V ≤ V_CC ≤ 5.5V
1.8V ≤ V_CC ≤ 5.5V
250
250
1000
t_CS
Minimum CS
Low Time
4.5V ≤ V_CC ≤ 5.5V
2.7V ≤ V_CC ≤ 5.5V
1.8V ≤ V_CC ≤ 5.5V
250
250
1000
4.5V ≤ V_CC ≤ 5.5V
50
t_CSS
CS Setup Time
Relative to SK
2.7V ≤ V_CC ≤ 5.5V
50
1.8V ≤ V_CC ≤ 5.5V
200
4.5V ≤ V_CC ≤ 5.5V
100
t_DIS
DI Setup Time
Relative to SK
2.7V ≤ V_CC ≤ 5.5V
100
1.8V ≤ V_CC ≤ 5.5V
400
t_CSH
CS Hold Time
Relative to SK
0
4.5V ≤ V_CC ≤ 5.5V
100
t_DIH
DI Hold Time
Relative to SK
2.7V ≤ V_CC ≤ 5.5V
100
1.8V ≤ V_CC ≤ 5.5V
400
t_PD1
Output Delay to
“1”
AC Test
4.5V ≤ V_CC ≤ 5.5V
2.7V ≤ V_CC ≤ 5.5V
1.8V ≤ V_CC ≤ 5.5V
t_PD0
Output Delay to
“0”
AC Test
4.5V ≤ V_CC ≤ 5.5V
2.7V ≤ V_CC ≤ 5.5V
1.8V ≤ V_CC ≤ 5.5V
t_SV
CS to Status
Valid
AC Test
4.5V ≤ V_CC ≤ 5.5V
2.7V ≤ V_CC ≤ 5.5V
1.8V ≤ V_CC ≤ 5.5V
t_DF
CS to DO in High AC Test
Impedance
CS = V_IL
4.5V ≤ V_CC ≤ 5.5V
2.7V ≤ V_CC ≤ 5.5V
1.8V ≤ V_CC ≤ 5.5V
t_WP
Endurance⁽¹⁾
Write Cycle Time
5.0V, 25°C
4.5V ≤ V_CC ≤ 5.5V
0.1
3
1M
Note: 1. This parameter is characterized and is not 100% tested.
Max
2
1
0.25
250
250
1000
250
250
1000
250
250
1000
100
100
400
10
Units
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ms
ms
Write Cycles
4 AT93C46
5140B–SEEPR–2/07