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SST29VF040-55-4C-WH Datasheet(PDF) 5 Page - Silicon Storage Technology, Inc |
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SST29VF040-55-4C-WH Datasheet(HTML) 5 Page - Silicon Storage Technology, Inc |
5 / 22 page Data Sheet 4 Mbit Small-Sector Flash SST29SF040 / SST29VF040 5 ©2004 Silicon Storage Technology, Inc. S71160-10-000 2/04 TABLE 2: PIN DESCRIPTION Symbol Pin Name Functions AMS1-A0 Address Inputs To provide memory addresses. During Sector-Erase AMS-A8 address lines will select the sector. DQ7-DQ0 Data Input/output To output data during Read cycles and receive input data during Write cycles. Data is internally latched during a Write cycle. The outputs are in tri-state when OE# or CE# is high. CE# Chip Enable To activate the device when CE# is low. OE# Output Enable To gate the data output buffers. WE# Write Enable To control the Write operations. VDD Power Supply To provide power supply voltage: 4.5-5.5V for SST29SF040 2.7-3.6V for SST29VF040 VSS Ground NC No Connection Pin not connected internally T2.4 1160 1. AMS = Most significant address AMS = A18 for SST29SF/VF040 TABLE 3: OPERATION MODES SELECTION Mode CE# OE# WE# DQ Address Read VIL VIL VIH DOUT AIN Program VIL VIH VIL DIN AIN Erase VIL VIH VIL X1 1. X can be VIL or VIH, but no other value. Sector address, XXH for Chip-Erase Standby VIH XX High Z X Write Inhibit X VIL XHigh Z/ DOUT X XX VIH High Z/ DOUT X Product Identification Software Mode VIL VIL VIH See Table 4 T3.4 1160 |
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