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X24128 Datasheet, PDF (12/17 Pages) Xicor Inc. – 400KHz 2-Wire Serial E2PROM with Block Lock
X24128
A.C. CONDITIONS OF TEST
Input Pulse Levels
Input Rise and
Fall Times
Input and Output
Timing Levels
VCC x 0.1 to VCC x 0.9
10ns
VCC X 0.5
7027 FRM T08
EQUIVALENT A.C. LOAD CIRCUIT
5V
1.53KΩ
OUTPUT
100pF
7027 FM 13
A.C. OPERATING CHARACTERISTICS (Over the recommended operating conditions, unless otherwise specified.)
Read & Write Cycle Limits
Symbol
fSCL
tI
tAA
tBUF
tHD:STA
tLOW
tHIGH
tSU:STA
tHD:DAT
tSU:DAT
tR
tF
tSU:STO
tDH
tOF
Parameter
SCL Clock Frequency
Noise Suppression Time
Constant at SCL, SDA Inputs
SCL LOW to SDA Data Out Valid
Time the Bus Must Be Free Before a
New Transmission Can Start
Start Condition Hold Time
Clock LOW Period
Clock HIGH Period
Start Condition Setup Time
(for a Repeated Start Condition)
Data In Hold Time
Data In Setup Time
SDA and SCL Rise Time
SDA and SCL Fall Time
Stop Condition Setup Time
Data Out Hold Time
Output Fall Time
Min.
0
50
0.1
1.2
0.6
1.2
0.6
0.6
0
100
0.6
50
20+0.1Cb(5)
Max.
400
0.9
300
300
300
250
Units
KHz
ns
µs
µs
µs
µs
µs
µs
µs
ns
ns
ns
µs
ns
µs
7027 FRM T09
POWER-UP TIMING(4)
Symbol
Parameter
Max.
Units
tPUR
Power-up to Read Operation
1
ms
tPUW
Power-up to Write Operation
5
ms
7027 FRM T10
Notes: (4) tPUR and tPUW are the delays required from the time VCC is stable until the specified operation can be initiated. These parameters
are periodically sampled and not 100% tested.
(5) Typical values are for TA = 25°C and nominal supply voltage (5V).
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