CAT93C76LI-G 데이터 시트보기 (PDF) - ON Semiconductor
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CAT93C76LI-G Datasheet PDF : 15 Pages
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CAT93C76
Table 5. INSTRUCTION SET (Note 6)
Instruction
Start
Bit
Opcode
Address
x8
x16
Data
x8
x16
Comments
READ
1
10
A10−A0
A9−A0
Read Address AN– A0
ERASE
1
11
A10−A0
A9−A0
Clear Address AN– A0
WRITE
1
01
A10−A0
A9−A0
D7−D0 D15−D0 Write Address AN– A0
EWEN
1
00
11XXXXXXXXX
11XXXXXXXX
Write Enable
EWDS
1
00
00XXXXXXXXX
00XXXXXXXX
Write Disable
ERAL
1
00
10XXXXXXXXX
10XXXXXXXX
Clear All Addresses
WRAL
1
00
01XXXXXXXXX
01XXXXXXXX D7−D0 D15−D0
Write All Addresses
6. Address bit A10 for the 1,024x8 org. and A9 for the 512x16 org. are “don’t care” bits, but must be kept at either a “1” or “0” for READ, WRITE
and ERASE commands.
Table 6. A.C. CHARACTERISTICS
Limits
Symbol
Parameter
Test Conditions
VCC = 1.8 V − 2.5 V
Min
Max
VCC = 2.5 V − 5.5 V
Min
Max
tCSS
CS Setup Time
100
50
tCSH
CS Hold Time
0
0
tDIS
DI Setup Time
100
50
tDIH
DI Hold Time
100
50
tPD1
Output Delay to 1
250
tPD0
Output Delay to 0
CL = 100 pF (Note 7)
250
tHZ (Note 8) Output Delay to High−Z
150
tEW
Program/Erase Pulse Width
5
tCSMIN
Minimum CS Low Time
200
150
tSKHI
Minimum SK High Time
250
150
tSKLOW
Minimum SK Low Time
250
150
tSV
Output Delay to Status Valid
250
SKMAX
Maximum Clock Frequency
DC
1000
DC
7. The input levels and timing reference points are shown in the “AC Test Conditions” table.
8. These parameters are tested initially and after a design or process change that affects the parameter.
150
150
100
5
100
3000
Units
ns
ns
ns
ns
ns
ns
ns
ms
ns
ns
ns
ns
kHz
Table 7. POWER−UP TIMING (Notes 8, 9)
Symbol
Parameter
Max
tPUR
Power−up to Read Operation
1
tPUW
Power−up to Write Operation
1
9. tPUR and tPUW are the delays required from the time VCC is stable until the specified operation can be initiated.
Units
ms
ms
Table 8. A.C. TEST CONDITIONS
Input Rise and Fall Times
Input Pulse Voltages
Timing Reference Voltages
Input Pulse Voltages
Timing Reference Voltages
≤ 50 ns
0.4 V to 2.4 V
0.8 V, 2.0 V
0.2 VCC to 0.7 VCC
0.5 VCC
4.5 V v VCC v 5.5 V
4.5 V v VCC v 5.5 V
1.8 V v VCC v 4.5 V
1.8 V v VCC v 4.5 V
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