X9521 XICOR [Xicor Inc.], X9521 Datasheet - Page 19

• Manufacturer Part Number: X9521
• Description: Dual DCP, EEPROM Memory
• Manufacturer: XICOR [Xicor Inc.]

X9521 – Preliminary Information
A.C. CHARACTERISTICS (See Figure 22, Figure 23, Figure 24)
A.C. TEST CONDITIONS
NONVOLATILE WRITE CYCLE TIMING
CAPACITANCE (T
Notes: 1.
Notes: 2.
Notes: 3.
Notes: 4.
Notes: 5.
REV 1.1.9 1/30/03
f
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
Cb
C
C
Input Pulse Levels
Input Rise and Fall Times
Input and Output Timing Levels
Output Load
SCL
IN
AA
BUF
LOW
HIGH
SU:STA
HD:STA
SU:DAT
HD:DAT
SU:STO
DH
R
F
SU:WP
HD:WP
Symbol
OUT
IN
Symbol
(5)
(5)
(5)
(5)
(5)
(5)
(5)
Symbol
t
WC
(5)
(4)
Typical values are for T
Cb = total capacitance of one bus line in pF.
Over recommended operating conditions, unless otherwise specified
t
cycle. It is the minimum cycle time to be allowed for any nonvolatile write by the user, unless Acknowledge Polling is used.
This parameter is not 100% tested.
WC
SCL Clock Frequency
Pulse width Suppression Time at inputs
SCL LOW to SDA Data Out Valid
Time the bus free before start of new transmission
Clock LOW Time
Clock HIGH Time
Start Condition Setup Time
Start Condition Hold Time
Data In Setup Time
Data In Hold Time
Stop Condition Setup Time
Data Output Hold Time
SDA and SCL Rise Time
SDA and SCL Fall Time
WP Setup Time
WP Hold Time
Capacitive load for each bus line
is the time from a valid STOP condition at the end of a write sequence to the end of the self-timed internal nonvolatile write
Output Capacitance (SDA, V1RO, V2RO, V3RO)
Input Capacitance (SCL, WP)
A
= 25˚C, F = 1.0 MHZ, V
Nonvolatile Write Cycle Time
A
= 25˚C and V
Parameter
Parameter
CC
Parameter
= 5.0V
CC
= 5V)
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Max
8
6
0.1V
0.5V
10ns
See Figure 20
20 +.1Cb
20 +.1Cb
Min.
Characteristics subject to change without notice.
CC
CC
Min
100
0.1
1.3
1.3
0.6
0.6
0.6
0.6
0.6
50
50
0
0
0
Units
to 0.9V
pF
pF
(2)
(2)
Typ.(1)
400kHz
5
CC
Max
Test Conditions
300
300
400
400
0.9
Max.
10
V
V
OUT
IN
= 0V
= 0V
Units
Units
KHz
ms
19 of 26
µs
µs
µs
µs
µs
µs
ns
µs
µs
ns
ns
ns
µs
µs
pF
ns