Datasheet
Table Of Contents
- Features
 - CMOS Technology
 - Packages
 - Package Types
 - Block Diagram
 - 1.0 Device OvervieW
- 1.1 Pin Descriptions
 - 1.2 Power-on Reset (POR)
 - 1.3 Power-up Timer (PWRT)
 - 1.4 Clock Generator
 - 1.5 I2C Bus Interface/ Protocol Handler
 - 1.6 Address Decoder
 - 1.7 Register Block
 - 1.8 Serializer/Deserializer
 - 1.9 Interrupt Logic
 
 - 2.0 Electrical Characteristics
- 2.1 DC Characteristics
- TABLE 2-1: DC Characteristics
 - FIGURE 2-1: respOnse time
 - TABLE 2-2: response time
 - FIGURE 2-2: TEST POINT Clock Timing
 - TABLE 2-3: TEST POINT Clock Timing
 - TABLE 2-4: Power-up Timer Requirements
 - FIGURE 2-3: I2C Bus Start/Stop Bits Timing
 - FIGURE 2-4: I2C Bus Data Timing
 - TABLE 2-5: I2C Bus Data Requirements
 - FIGURE 2-5: GP0 and GP1 POrt Timings
 
 
 - 2.1 DC Characteristics
 - 3.0 Package InFormation
 - Appendix A: Revision History
 - Product Identification System
 - Worldwide Sales and Service
 

© 2007 Microchip Technology Inc. DS20090C-page 21
MCP23016
FIGURE 2-1: RESPONSE TIME
TABLE 2-2: RESPONSE TIME
FIGURE 2-2: TEST POINT CLOCK TIMING
TABLE 2-3: TEST POINT CLOCK TIMING 
TABLE 2-4: POWER-UP TIMER REQUIREMENTS
VDD
1
Parameter 
No.
Symbol Characteristic Min Typ† Max Units Conditions
1 Response Time 100 — — ns Minimum time where a V
DD 
transition from 5.0V to 0.0V to 
5.0V will cause a RESET. All 
times less than 100 ns will be 
filtered.
Parameter 
No.
Symbol Characteristic Min Typ
†
Max Units Conditions
F
TP TP pin Frequency — 1.0 — MHz Measured at TP pin,
IARES = ‘1’.
2
TTP TP pin CLK Period — 1.0 — µs Measured at TP pin,
IARES = ‘1’.
† Data in "Typ" column is at 5V, +25°C unless otherwise stated. These parameters are for design guidance 
only and are not tested.
TTP
2
Parameter 
No.
Symbol Characteristic Min Typ
†
Max Units Conditions
3T
PWRT Power-up Timer Period — 72 — ms
† Data in "Typ" column is at 5V, +25°C unless otherwise stated. These parameters are for design guidance 
only and are not tested.










