MCP7952X/MCP7951X
TABLE 1-2:
AC CHARACTERISTICS
Industrial (I):
TAMB = -40°C to +85°C VCC = 1.8V to 3.6V
AC CHARACTERISTICS
Param.
No.
Sym.
Characteristic
Min.
Max.
Units
Test Conditions
1
2
3
FCLK
Clock Frequency
—
—
5
3
MHz 2.5V Vcc 3.6V
MHz 1.8V Vcc 2.5V
TCSS
TCSH
CS Setup Time
CS Hold Time
100
150
—
—
ns
ns
2.5V Vcc 3.6V
1.8V Vcc 2.5V
100
150
—
—
ns
ns
2.5V Vcc 3.6V
1.8V Vcc 2.5V
4
5
TCSD
Tsu
CS Disable Time
Data Setup Time
50
—
ns
—
20
30
—
—
ns
ns
2.5V Vcc 3.6V
1.8V Vcc 2.5V
6
THD
Data Hold Time
40
50
—
—
ns
ns
2.5V Vcc 3.6V
1.8V Vcc 2.5V
7
8
9
TR
TF
CLK Rise Time
CLK Fall Time
Clock High Time
—
—
100
100
ns
ns
(Note 1)
(Note 1)
THI
100
150
—
—
ns
ns
2.5V Vcc 3.6V
1.8V Vcc 2.5V
10
TLO
Clock Low Time
100
150
—
—
ns
ns
2.5V Vcc 3.6V
1.8V Vcc 2.5V
11
12
13
TCLD
TCLE
TV
Clock Delay Time
Clock Enable Time
50
50
—
—
ns
ns
—
—
Output Valid from Clock
Low
—
—
100
160
ns
ns
2.5V Vcc 3.6V
1.8V Vcc 2.5V
14
15
THO
TDIS
Output Hold Time
0
—
ns
(Note 1)
Output Disable Time
—
—
80
160
ns
ns
2.5V Vcc 3.6V (Note 1)
1.8V Vcc 2.5V (Note 1)
16
17
TWC
—
Internal Write Cycle Time
Endurance
—
5
ms
(Note 3)
1,000,000
—
E/W (Note 2)
Cycles
Note 1: This parameter is periodically sampled and not 100% tested.
2: 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:
www.microchip.com.
3: TWC begins on the rising edge of CS after a valid write sequence and ends when the internal write cycle
is complete.
DS22300A-page 4
Preliminary
2012 Microchip Technology Inc.