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.