MT45V256KW16PEGA-55 WT Micron Technology Inc, MT45V256KW16PEGA-55 WT Datasheet - Page 19
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MT45V256KW16PEGA-55 WT
Manufacturer Part Number
MT45V256KW16PEGA-55 WT
Description
Manufacturer
Micron Technology Inc
Datasheet
1.MT45V256KW16PEGA-55_WT.pdf
(26 pages)
Specifications of MT45V256KW16PEGA-55 WT
Operating Temperature (max)
85C
Mounting
Surface Mount
Operating Temperature Classification
Commercial
Lead Free Status / RoHS Status
Compliant
Figure 14:
Figure 15:
Table 7:
PDF: 09005aef832450a3/Source: 09005aef82f264aa
8mb_4mb_ap_3v_psram_p22z__2.fm - Rev. B 4/08 EN
Parameter
Address access time
Page access time
LB#/UB# access time
LB#/UB# disable to High-Z output
LB#/UB# enable to Low-Z output
Maximum CE# pulse width
Chip select access time
Chip disable to High-Z output
Chip enable to Low-Z output
Output enable to valid output
Output hold from address change
Output disable to High-Z output
Output enable to Low-Z output
Page cycle time
Read cycle time
READ Cycle Timing Requirements
AC Input/Output Reference Waveform
Output Load Circuit
Notes:
Notes:
Input
1. AC test inputs are driven at V
2. Input timing begins at V
3. Output timing ends at V
1. Low-Z to High-Z timings are tested with the circuit shown in Figure 15 on page 19. The
2. High-Z to Low-Z timings are tested with the circuit shown in Figure 15 on page 19. The Low-
3. Page mode enabled only.
V
V
DUT
SS
CC
times (10% to 90%) < 1.6ns.
High-Z timings measure a 100mV transition either from V
Z timings measure a 100mV transition away from the High-Z (V
V
Q
Q
OH
1
or V
Symbol
V
t
t
t
t
t
OL
t
t
CEM
t
t
OHZ
APA
t
BHZ
t
t
OLZ
t
t
BLZ
t
CC
OH
AA
CO
BA
HZ
OE
PC
RC
Test point
LZ
.
Q/2
2
4Mb: 3.0V Core Async/Page PSRAM Memory 256K x 16
30pF
50
Min
10
10
20
55
5
3
–
–
–
–
–
–
–
–
–
CC
CC
Q/2.
Q/2.
-55
19
CC
VccQ/2
Q for a logic 1 and V
Test points
Max
55
15
55
55
20
8
–
8
8
–
–
8
–
–
–
Micron Technology, Inc., reserves the right to change products or specifications without notice.
Min
10
10
20
70
–
–
–
–
–
–
–
–
5
–
3
SS
-70
Q for a logic 0. Input rise and fall
Electrical Characteristics
OH
V
CC
Max
70
20
70
70
20
or V
8
8
8
–
8
–
–
–
–
–
Q/2
CC
©2007 Micron Technology, Inc. All rights reserved.
3
OL
Q/2) level either toward
Output
toward V
Unit
ns
ns
ns
ns
ns
µs
ns
ns
ns
ns
ns
ns
ns
ns
ns
CC
Q/2.
Notes
1
2
3
1
2
1
2