AT93C46A-10PC 查看數據表（PDF） - Atmel Corporation
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AT93C46A-10PC Datasheet PDF : 11 Pages
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AC Characteristics (Continued)
Applicable over recommended operating range from TA = -40°C to + 85°C, VCC = +2.5V to + 5.5V,
CL = 1 TTL Gate and 100 pF (unless otherwise noted).
Symbol
tCSS
tDIS
tCSH
tDIH
tPD1
tPD0
tSV
tDF
tWP
Parameter
CS Setup Time
DI Setup Time
CS Hold Time
DI Hold Time
Output Delay to ‘1’
Output Delay to ‘0’
CS to Status Valid
CS to DO in High Impedance
Test Condition
Relative to SK
Relative to SK
Relative to SK
4.5V ≤ VCC ≤ 5.5V
2.7V ≤ VCC ≤ 5.5V
2.5V ≤ VCC ≤ 5.5V
1.8V ≤ VCC ≤ 5.5V
4.5V ≤ VCC ≤ 5.5V
2.7V ≤ VCC ≤ 5.5V
2.5V ≤ VCC ≤ 5.5V
1.8V ≤ VCC ≤ 5.5V
Relative to SK
AC Test
AC Test
AC Test
AC Test
CS = VIL
4.5V ≤ VCC ≤ 5.5V
2.7V ≤ VCC ≤ 5.5V
2.5V ≤ VCC ≤ 5.5V
1.8V ≤ VCC ≤ 5.5V
4.5V ≤ VCC ≤ 5.5V
2.7V ≤ VCC ≤ 5.5V
2.5V ≤ VCC ≤ 5.5V
1.8V ≤ VCC ≤ 5.5V
4.5V ≤ VCC ≤ 5.5V
2.7V ≤ VCC ≤ 5.5V
2.5V ≤ VCC ≤ 5.5V
1.8V ≤ VCC ≤ 5.5V
4.5V ≤ VCC ≤ 5.5V
2.7V ≤ VCC ≤ 5.5V
2.5V ≤ VCC ≤ 5.5V
1.8V ≤ VCC ≤ 5.5V
4.5V ≤ VCC ≤ 5.5V
2.7V ≤ VCC ≤ 5.5V
2.5V ≤ VCC ≤ 5.5V
1.8V ≤ VCC ≤ 5.5V
Write Cycle Time
4.5V ≤ VCC ≤ 5.5V
Min
Typ
Max
50
50
100
200
100
100
200
400
0
100
100
200
400
250
250
500
1000
250
250
500
1000
250
250
500
1000
100
100
200
400
0.1
10
1
Endurance(1) 5.0V, 25°C, Page Mode
1M
Note: 1. This parameter is characterized and is not 100% tested.
Instruction Set for the AT93C46A
Instruction SB Op Code
READ
1
10
EWEN
1
00
ERASE
1
11
WRITE
1
01
ERAL
1
00
WRAL
1
00
EWDS
1
00
Address
x 16
A5 - A0
11XXXX
A5 - A0
A5 - A0
10XXXX
01XXXX
00XXXX
Comments
Reads data stored in memory, at specified address.
Write enable must precede all programming modes.
Erase memory location An - A0.
Writes memory location An - A0.
Erases all memory locations. Valid only at VCC = 4.5V to 5.5V.
Writes all memory locations. Valid only at VCC = 4.5V to 5.5V.
Disables all programming instructions.
4
AT93C46A
Units
ns
ns
ns
ns
ns
ns
ns
ns
ms
ms
Write
Cycle
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