um output hold time. C. Minimum input setup time specification. D. Minimum input hold time specification. E. Signal valid to signal valid specification (maximum or minimum). F. Signal valid to signal invalid specification (maximum or minimum). FIGURE 10-1 MC68020UM Figure 10-1. Drive Levels and Test Points for AC Specifications 10-6 M68020 USEROS MANUAL MOTOROLA AC ELECTRICAL CHARACTERISTICSNCLOCK INPUT (see Figure 10-2) 16.67 MHz Num. Characteristic Min Frequency of Operation 1 8 20 MHz Max Min 16.67 12.5 25 MHz* Max Min Max 20 12.5 25 33.33 MHz Min Max Unit 12.5 33.33 MHz Cycle Time 60 125 50 80 40 80 30 80 ns 2,3 Clock Pulse Width (Measured from 1.5 V to 1.5 V) 24 95 20 54 19 61 14 66 ns 4,5 Clock Rise and Fall Times N 5 N 5 N 4 N 3 ns *These specifications represent an improvement over previously published specifications for the 25-MHz MC68020 and are valid only for products bearing date codes of 8827 and later. 1 2 3 2.0 V 0.8 V 4 5 NOTE:Timing measurements are referenced to and from a low v
um output hold time. C. Minimum input setup time specification. D. Minimum input hold time specification. E. Signal valid to signal valid specification (maximum or minimum). F. Signal valid to signal invalid specification (maximum or minimum). FIGURE 10-1 MC68020UM Figure 10-1. Drive Levels and Test Points for AC Specifications 10-6 M68020 USEROS MANUAL For More Information On This Product, Go to: www.freescale.com MOTOROLA Freescale Semiconductor, Inc. AC ELECTRICAL CHARACTERISTICSNCLOCK INPUT (see Figure 10-2) 16.67 MHz Num. Characteristic Min Frequency of Operation 1 8 25 MHz* 20 MHz Max Min 16.67 12.5 Max Min Max 20 12.5 25 33.33 MHz Min Max Unit 12.5 33.33 MHz Cycle Time 60 125 50 80 40 80 30 80 ns 2,3 Clock Pulse Width (Measured from 1.5 V to 1.5 V) 24 95 20 54 19 61 14 66 ns 4,5 Clock Rise and Fall Times N 5 N 5 N 4 N 3 ns *These specifications represent an improvement over previously published specifications for the 25-MHz MC68020 and Freescale Semiconductor, Inc... are valid only for pro
um output hold time. C. Minimum input setup time specification. D. Minimum input hold time specification. E. Signal valid to signal valid specification (maximum or minimum). F. Signal valid to signal invalid specification (maximum or minimum). FIGURE 10-1 MC68020UM Figure 10-1. Drive Levels and Test Points for AC Specifications 10-6 M68020 USEROS MANUAL For More Information On This Product, Go to: www.freescale.com MOTOROLA Freescale Semiconductor, Inc. AC ELECTRICAL CHARACTERISTICSNCLOCK INPUT (see Figure 10-2) 16.67 MHz Num. Characteristic Min Frequency of Operation 1 8 25 MHz* 20 MHz Max Min 16.67 12.5 Max Min Max 20 12.5 25 33.33 MHz Min Max Unit 12.5 33.33 MHz Cycle Time 60 125 50 80 40 80 30 80 ns 2,3 Clock Pulse Width (Measured from 1.5 V to 1.5 V) 24 95 20 54 19 61 14 66 ns 4,5 Clock Rise and Fall Times N 5 N 5 N 4 N 3 ns *These specifications represent an improvement over previously published specifications for the 25-MHz MC68020 and Freescale Semiconductor, Inc... are valid only for pro
um output hold time. C. Minimum input setup time specification. D. Minimum input hold time specification. E. Signal valid to signal valid specification (maximum or minimum). F. Signal valid to signal invalid specification (maximum or minimum). FIGURE 10-1 MC68020UM Figure 10-1. Drive Levels and Test Points for AC Specifications 10-6 M68020 USEROS MANUAL For More Information On This Product, Go to: www.freescale.com MOTOROLA Freescale Semiconductor, Inc. AC ELECTRICAL CHARACTERISTICSNCLOCK INPUT (see Figure 10-2) 16.67 MHz Num. Characteristic Min Frequency of Operation 1 8 25 MHz* 20 MHz Max Min 16.67 12.5 Max Min Max 20 12.5 25 33.33 MHz Min Max Unit 12.5 33.33 MHz Cycle Time 60 125 50 80 40 80 30 80 ns 2,3 Clock Pulse Width (Measured from 1.5 V to 1.5 V) 24 95 20 54 19 61 14 66 ns 4,5 Clock Rise and Fall Times N 5 N 5 N 4 N 3 ns *These specifications represent an improvement over previously published specifications for the 25-MHz MC68020 and Freescale Semiconductor, Inc... are valid only for pro
MC68020UMAD Rev. 2, 1/2003 Freescale Semiconductor, Inc... Errata to MC68020 / MC68EC020 Microprocessor User's Manual This errata describes corrections to the MC68020/MC68EC020 Microprocessor User's Manual, Motorola document order number MC68020UM/D. Please check the world wide web at http://motorola.com/semiconductors for the latest updates. For More Information On This Product, Go to: www.freescale.com Freescale Semiconductor, Inc. Errata 1 1 Errata 1 AS DS GND GND R/W NC* HALT DSACK1 BERR GND GND ECS CDIS AVEC DSACK0 FC0 FC1 FC2 SIZ0 SIZ1 DBEN VCC RMC RESET VCC GND CLK BG VCC GND 1 132 17 18 34 117 116 100 TOP VIEW 50 51 84 83 NC* D31 D30 D29 D28 D27 D26 D25 D24 D23 D22 D21 D20 D19 D18 D17 D16 GND GND VCC VCC D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 NC* NC* GND VCC VCC D5 NC* NC* D3 D4 GND A2 GND OCS IPEND VCC VCC GND GND IPL2 IPL1 IPL0 D0 D1 D2 67 NC* A9 A8 A7 A6 A5 A4 A3 NC* NC* BGACK BR A0 A1 A31 A30 A29 A28 A27 A26 A25 A24 A23 A22 A21 A20 A19 A18 A17 VCC VCC GND GND A16 A15 A14 A13