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MX28F640C3BB Datasheet(PDF) 4 Page - Macronix International |
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MX28F640C3BB Datasheet(HTML) 4 Page - Macronix International |
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4 / 41 page  4 P/N:PM1084 MX28F640C3BT/B REV. 0.0, MAR. 17, 2004 PIN CONFIGURATIONS 48 TSOP (Standard Type) (12mm x 20mm) A15 A14 A13 A12 A11 A10 A9 A8 A21 A20 WE# RESET# VPP WP# A19 A18 A17 A7 A6 A5 A4 A3 A2 A1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 A16 VCCQ GND Q15 Q7 Q14 Q6 Q13 Q5 Q12 Q4 VCC Q11 Q3 Q10 Q2 Q9 Q1 Q8 Q0 OE# GND CE# A0 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 MX28F640C3T/B Table 1. Pin Description Symbol Type Description and Function A0-A21 input Address inputs for memory address. Data pin float to high-impedance when the chip is deselected or outputs are disable. Addresses are internally latched during a write or erase cycle. Q0-Q15 input/output Data inputs/outputs: Inputs array data on the second CE# and WE# cycle during a program command. Data is internally latched. Outputs array and configuration data.The data pin float to tri-state when the chip is de-selected. CE# input Activates the device's control logic, input buffers, and sense amplifiers. CE# high de-se- lects the memory device and reduce power consumption to standby level. CE# is active low. RESET# input Reset Deep Power Down: when RESET#=VIL, the device is in reset/deep power down mode, which drives the outputs to High Z, resets the WSM and minimizes current level. When RESET#=VIH, the device is normal operation. When RESET# transition the device defaults to the read array mode. WE# input Write Enable: to control write to CUI and array sector. WR#=VIL becomes active. The data and address is latched WE# on the rising edge of the second WE# pulse. VPP input/supply Program/Erase Power Supply:(1.65V~3.6V or 11.4V~12.6V) Lower VPP<VPPLK, to protect any contents against Program and Erase Command. Set VPP=VCC for in-system Read, Program and Erase Operation. Raise VPP to 12V ±5% for faster program and erase in a production environment. OE# input Output enable: gates the device's outputs during a real cycle. WP# input Write protect: when WP# is VIL, the boot sectors cannot be written or erased. When WP# is VIH, locked boot sectors cannot be written or erase. WP is not affected parameter and main sectors. VCC supply Device power supply: (2.7V~3.6V). VCCQ input I/O Power Supply: supplies for input/output buffers. [2.7V~3.6V] This input should be tied directly to VCC. GND supply Ground voltage: all the GND pin shall not be connected. |
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