Maxim DS5001FP Guide de l'utilisateur

1 of 27 REV: 070605 Note: Some revisions of this device may incorporate deviations from published specifications known as errata. Multiple revi

DS5001FP 10 of 27Figure 5 illustrates a typical memory connection for a system using a 128kB SRAM. Note that in this configuration, both program and

DS5001FP 11 of 27Figure 6. DS5001FP CONNECTION TO 64k x 8 SRAM POWER MANAGEMENT The DS5001FP monitors VCC to provide power-fail reset, early war

DS5001FP 12 of 27ABSOLUTE MAXIMUM RATINGS Voltage Range on Any Pin Relative to Ground…………………………..…………………….-0.3V to (VCC + 0.5V) Voltage Range on VCC

DS5001FP 13 of 27DC CHARACTERISTICS (continued) (VCC = 5V ±10%, TA = 0°C to +70°C.) PARAMETER SYMBOL MIN TYP MAX UNITS NOTES Input Leakage Current

DS5001FP 14 of 27AC CHARACTERISTICS: EXPANDED BUS MODE TIMING SPECIFICATIONS (VCC = 5V ±10%, TA = 0°C to +70°C.) # PARAMETER SYMBOL MIN MAX UNITS 1

DS5001FP 15 of 27EXPANDED PROGRAM-MEMORY READ CYCLE EXPANDED DATA-MEMORY READ CYCLE

DS5001FP 16 of 27EXPANDED DATA-MEMORY WRITE CYCLE

DS5001FP 17 of 27AC CHARACTERISTICS: EXTERNAL CLOCK DRIVE (VCC = 5V ±10%, TA = 0°C to +70°C.) # PARAMETER SYMBOL MIN MAX UNITS at 12MHz 20 28 Ext

DS5001FP 18 of 27AC CHARACTERISTICS: POWER CYCLE TIME (VCC = 5V ±10%, TA = 0°C to +70°C.) # PARAMETER SYMBOL MIN MAX UNITS 32 Slew Rate from VCCMIN

DS5001FP 19 of 27AC CHARACTERISTICS: SERIAL PORT TIMING—MODE 0 (VCC = 5V ±10%, TA = 0°C to +70°C.) # PARAMETER SYMBOL MIN MAX UNITS 35 Serial-Port Cl

DS5001FP 2 of 27 ORDERING INFORMATION PART TEMP RANGE MAX CLOCK SPEED (MHz) PIN-PACKAGE DS5001FP-16 0°C to +70°C 16 80 MQFP DS5001FP-16+ 0°C to

DS5001FP 20 of 27AC CHARACTERISTICS: BYTE-WIDE ADDRESS/DATA BUS TIMING (VCC = 5V ±10%, TA = 0°C to +70°C.) # PARAMETER SYMBOL MIN MAX UNITS 40 Delay

DS5001FP 21 of 27BYTE-WIDE BUS TIMING RPC AC CHARACTERISTICS: DBB READ (VCC = 5V ±10%, TA = 0°C to +70°C.) # PARAMETER SYMBOL MIN MAX UNITS 54 CS

DS5001FP 22 of 27AC CHARACTERISTICS: DMA (VCC = 5V ±10%, TA = 0°C to +70°C.) # PARAMETER SYMBOL MIN MAX UNITS 65 DACK to WR or RD tACC 0 ns 66

DS5001FP 23 of 27RPC TIMING MODE

DS5001FP 24 of 27NOTES: All parameters apply to both commercial and industrial temperature operation unless otherwise noted. 1) All voltages are ref

DS5001FP 25 of 27PACKAGE INFORMATION (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest packa

DS5001FP 26 of 2744-PIN MQFP

DS5001FP 27 of 27 Maxim/Dallas Semiconductor cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim

DS5001FP 3 of 27Figure 1. BLOCK DIAGRAM

DS5001FP 4 of 27PIN DESCRIPTION PIN 80 PIN 44 PIN NAME FUNCTION 11, 9, 7, 5, 1, 79, 77, 75 31 (P0.5) P0.0–P0.7 General-Purpose I/O Port 0. This port

DS5001FP 5 of 27PIN DESCRIPTION (continued) PIN 80 PIN 44 PIN NAME FUNCTION 53, 16, 8, 18, 80, 76, 4, 6, 20, 24, 26, 28, 30, 33, 35, 37 41, 36, 42,

DS5001FP 6 of 27PIN DESCRIPTION (continued) PIN 80 PIN 44 PIN NAME FUNCTION 42 — VRST This I/O pin (open drain with internal pullup) indicates that

DS5001FP 7 of 27Figure 2. MEMORY MAP IN NONPARTITIONABLE MODE (PM = 1)

DS5001FP 8 of 27Figure 3. MEMORY MAP IN PARTITIONABLE MODE (PM = 0) NOTE: PARTITIONABLE MODE IS NOT SUPPORTED WHEN MSEL PIN = 0 (128kB MODE).

DS5001FP 9 of 27Figure 4. MEMORY MAP WITH PES = 1