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37LV128IT/SN Datasheet(PDF) 10 Page - Microchip Technology

Part # 37LV128IT/SN
Description  36K, 64K, and 128K Serial EPROM Family
PDF  14 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

37LV128IT/SN Datasheet(HTML) 10 Page - Microchip Technology

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37LV36/65/128
DS21109F-page 10
 2004 Microchip Technology Inc.
FIGURE 11-8: 37LVXXX PROGRAMMING SPECIFICATIONS
Device Passed
Device Failure
1st Pass?
Verify
All Data Bits (Read Mode)
VCC = VPP = VCCL and
VCC = VPP = VCCH
Exit Programming Mode
Device Power Off
Device Power On
Pulse VPP to VPP1
(13V) for Tpgm
(500
µs)
Load 32-bit word to be
programmed
CE low to clear
EPROM internal data
latches
32 bit data word to be
programmed =
FFFFFFFFhex
Last Word?
Increment Address
Counter
Device Power Off
Device Power On
Check Device ID
Start
Enter Programming Mode
1.
VCC = VCCP VPP = VPP2 CE = OE = VIH
2.
VPP = VPP1 for 2 CLK Rising Edges
3.
VPP = VPP2 for 1 CLK Rising Edge
Pass
No
Fail
Yes
No
Yes
No
Yes



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