Datasheet

 2012-2018 Microchip Technology Inc. DS20002300C-page 6
MCP7951X/MCP7952X
TABLE 1-2: AC CHARACTERISTICS
AC CHARACTERISTICS
Electrical Characteristics:
Industrial (I): T
A = -40°C to +85°C VCC = 1.8V to 3.6V
Param.
No.
Symbol Characteristic Min. Typ. Max. Units Test Conditions
1F
CLK Clock Frequency — — 5 MHz 2.5V ≤Vcc < 3.6V
— — 3 MHz 1.8V ≤Vcc < 2.5V
2T
CSS CS Setup Time 100 — — ns 2.5V ≤Vcc < 3.6V
150 — — ns 1.8V ≤Vcc < 2.5V
3TCSH CS Hold Time 100 — — ns 2.5V ≤Vcc < 3.6V
150 — — ns 1.8V ≤Vcc < 2.5V
4T
CSD CS Disable Time 50 — — ns
5TSU Data Setup Time 20 — — ns 2.5V ≤Vcc < 3.6V
30 — — ns 1.8V ≤Vcc < 2.5V
6T
HD Data Hold Time 40 — — ns 2.5V ≤Vcc < 3.6V
50 — — ns 1.8V ≤Vcc < 2.5V
7T
R SCK Rise Time — — 100 ns Note 1
8T
F SCK Fall Time — — 100 ns Note 1
9THI Clock High Time 100 — — ns 2.5V ≤Vcc < 3.6V
150 — — ns 1.8V ≤Vcc < 2.5V
10 T
LO Clock Low Time 100 — — ns 2.5V ≤Vcc < 3.6V
150 — — ns 1.8V ≤Vcc < 2.5V
11 TCLD Clock Delay Time 50 — — ns
12 T
CLE Clock Enable Time 50 — — ns
13 TV Output Valid from Clock
Low
——100ns2.5V ≤Vcc < 3.6V
— — 160 ns 1.8V ≤Vcc < 2.5V
14 T
HO Output Hold Time 0 — ns Note 1
15 TDIS Output Disable Time — — 80 ns 2.5V ≤Vcc < 3.6V (Note 1)
— — 160 ns 1.8V ≤Vcc < 2.5V (Note 1)
16 T
WC Internal Write Cycle Time — — 5 ms Note 2
17 TFVCC VCC Fall Time 300 — — µs Note 1
18 TRVCC VCC Rise Time 0 — — µs Note 1
19 F
OSC Oscillator Frequency — 32.768 — kHz
20 TOSF Oscillator Timeout Period — 1 — ms Note 1
21 Endurance 1M — — E/W
cycles
Page Mode, 25°C
V
CC = 3.6V (Note 1)
Note 1: This parameter is not tested but ensured by characterization.
2: T
WC begins on the rising edge of CS after a valid write sequence and ends when the internal write cycle
is complete.