AS28C010 データシートの表示（PDF） - Micross Components
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AS28C010 Datasheet PDF : 15 Pages
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EEPROM
AS28C010
AC ELECTRICAL CHARACTERISTICS FOR READ OPERATION
(-55oC < TC < 125oC; Vcc = 5V +10%)
Test Conditions
Input Pulse Levels:
0.0V to 3.0V
Input rise and fall times:
< 20ns
Output Load:
1 TTL Gate +100pF (including scope and jig)
Reference levels for measuring timing: 1.5V, 1.5V
Symbol
Parameter
tRC
tCE
tAA
tOE
tLZ(3)
tOLZ(3)
tHZ(3)
tOHZ(3)
tOH
Read Cycle Time
Chip Enable Access Time
Address Access Time
Output Enable Access Time
CE\ LOW to Active Output
OE\ LOW to Active Output
CE\ HIGH to High Z Output
OE\ HIGH to High Z Output
Output Hold from Address Change
-12
-15
MIN MAX MIN MAX
120
150
120
150
120
150
50
50
0
0
0
0
50
50
50
50
0
0
-20
MIN MAX
200
200
200
50
0
0
50
50
0
-25
UNITS
MIN MAX
250
ns
250 ns
250 ns
50 ns
0
ns
0
ns
50 ns
50 ns
0
ns
Notes: 3) tLZ min., tOLZ min., and tOHZ are periodically sampled and not 100% tested. tHZ max. and tOHZ max. are measured,
with CL=5pF, from the point when CE\ or OE\ return HIGH (whichever occurs first) to the time when the
outputs are no longer driven.
AC ELECTRICAL CHARACTERISTICS FOR WRITE OPERATIONS
SYMBOL
tWC
tAS
tAH
tcs
tCH
tCW
tOES
tOEH
tWP
tWPH
tDV
tDS
tDH
tDW
tBLC
PARAMETER
Write Cycle Time
Address Setup Time
Address Hold Time
Write Setup Time
Write Hold Time
CE\ Pulse Width
OE\ HIGH Setup Time
OE\ HIGH Hold Time
WE\ Pulse Width
WE\ HIGH Recovery
Data Valid
Data Setup
Data Hold
Delay to Next Write
Byte Load Cycle
MIN MAX UNITS
10
ms
0
ns
50
ns
0
ns
0
ns
100
ns
10
ns
10
ns
100
ns
100
ns
1
Ps
50
ns
0
ns
10
Ps
0.20
100
Ps
AS28C010
Rev. 1.7 01/12
Micross Components reserves the right to change products or specifications without notice.
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