M58LT256JST8ZA6E NUMONYX, M58LT256JST8ZA6E Datasheet - Page 9

• Manufacturer Part Number: M58LT256JST8ZA6E
• Description: IC FLASH 256MBIT 85NS 64TBGA
• Manufacturer: NUMONYX

Specifications of M58LT256JST8ZA6E

• Format - Memory: FLASH
• Memory Type: FLASH
• Memory Size: 256M (16Mx16)
• Speed: 85ns
• Interface: Parallel
• Voltage - Supply: 1.7 V ~ 2 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-TBGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

M58LT256JST, M58LT256JSB
The device includes 17 Protection Registers and 2 Protection Register locks, one for the first
Protection Register and the other for the 16 OTP (one-time-programmable) Protection
Registers of 128 bits each. The first Protection Register is divided into two segments: a 64
bit segment containing a unique device number written by Numonyx, and a 64 bit segment
OTP by the user. The user programmable segment can be permanently protected.
shows the Protection Register Memory map.
The M58LT256JST/B also has a full set of software security features that are not described
in this datasheet, but are documented in a dedicated application note. For further
information please contact Numonyx.
The M58LT256JST/B are offered in a TBGA64, 10 × 13 mm, 1 mm pitch package, and are
supplied with all the bits erased (set to ’1’).
Figure 1.
Logic diagram
A0-A23
RP
W
G
E
K
L
V DD
M58LT256JSB
M58LT256JST
V SS
V DDQ V PP
V SSQ
16
WAIT
DQ0-DQ15
AI13299
Description
Figure
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4,