24AA32AF Datasheet, PDF (3/30 Pages) Microchip Technology – 32K I2C™ Serial EEPROM with Quarter-Array Write-Protect

24AA32AF/24LC32AF
TABLE 1-2: AC CHARACTERISTICS
AC CHARACTERISTICS
Electrical Characteristics:
Industrial (I):
VCC = +1.7V to 5.5V TA = -40°C to +85°C
Automotive (E): VCC = +2.5V to 5.5V TA = -40°C to 125°C
Param.
No.
Sym.
Characteristic
Min.
Max. Units
Conditions
1
FCLK
Clock frequency
—
100 kHz 1.7V ≤ VCC < 2.5V
—
400
2.5V ≤ VCC ≤ 5.5V
2
THIGH Clock high time
4000
—
ns 1.7V ≤ VCC < 2.5V
600
—
2.5V ≤ VCC ≤ 5.5V
3
TLOW Clock low time
4700
—
ns 1.7V ≤ VCC < 2.5V
1300
—
2.5V ≤ VCC ≤ 5.5V
4
TR
SDA and SCL rise time
(Note 1)
—
1000 ns 1.7V ≤ VCC < 2.5V
—
300
2.5V ≤ VCC ≤ 5.5V
5
TF
SDA and SCL fall time
(Note 1)
—
300
ns
6
THD:STA Start condition hold time
4000
—
ns 1.7V ≤ VCC < 2.5V
600
—
2.5V ≤ VCC ≤ 5.5V
7
TSU:STA Start condition setup time
4700
—
ns 1.7V ≤ VCC < 2.5V
600
—
2.5V ≤ VCC ≤ 5.5V
8
THD:DAT Data input hold time
0
—
ns (Note 2)
9
TSU:DAT Data input setup time
250
—
ns 1.7V ≤ VCC < 2.5V
100
—
2.5V ≤ VCC ≤ 5.5V
10
TSU:STO Stop condition setup time
4000
—
ns 1.7 V ≤ VCC < 2.5V
600
—
2.5 V ≤ VCC ≤ 5.5V
11
TSU:WP WP setup time
4000
—
ns 1.7V ≤ VCC < 2.5V
600
—
2.5V ≤ VCC ≤ 5.5V
12
THD:WP WP hold time
4700
—
ns 1.7V ≤ VCC < 2.5V
1300
—
2.5V ≤ VCC ≤ 5.5V
13
TAA
Output valid from clock
(Note 2)
—
3500 ns 1.7V ≤ VCC < 2.5V
—
900
2.5V ≤ VCC ≤ 5.5V
14
TBUF
Bus free time: Time the bus
4700
—
ns 1.7V ≤ VCC < 2.5V
must be free before a new
1300
—
2.5V ≤ VCC ≤ 5.5V
transmission can start
15
TOF
Output fall time from VIH
minimum to VIL maximum
CB ≤ 100 pF
10 +
250
ns (Note 1)
0.1CB
16
TSP
Input filter spike suppression
—
(SDA and SCL pins)
50
ns (Notes 1 and 3)
17
TWC
Write cycle time (byte or
page)
—
5
ms —
18
—
Endurance
1,000,000 — cycles 25°C (Note 4)
Note 1: Not 100% tested. CB = total capacitance of one bus line in pF.
2: As a transmitter, the device must provide an internal minimum delay time to bridge the undefined region
(minimum 300 ns) of the falling edge of SCL to avoid unintended generation of Start or Stop conditions.
3: The combined TSP and VHYS specifications are due to new Schmitt Trigger inputs, which provide improved
noise spike suppression. This eliminates the need for a TI specification for standard operation.
4: This parameter is not tested but ensured by characterization. For endurance estimates in a specific
application, please consult the Total Endurance™ Model, which can be obtained from Microchip’s web site
at www.microchip.com.
© 2009 Microchip Technology Inc.
DS22184A-page 3