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參數資料
| 型號： | U637H256 |
| 英文描述： | CapStore 32K x 8 nvSRAM |
| 中文描述： | CapStore 32K的× 8非易失 |
| 文件頁數： | 10/14頁 |
| 文件大小： | 158K |
| 代理商： | U637H256 |
U637H256
10
August 15, 2006
STK Control #ML0056
Rev 1.1
Test Configuration for Functional Check
V
IH
V
IL
V
SS
480
255
30 pF
w
V
O
S
m
I
r
DQ0
DQ1
DQ2
DQ3
DQ4
DQ5
DQ6
DQ7
A0
A1
A2
A3
A4
A5
A6
A8
A9
A10
A11
A12
A13
A14
E
W
G
5 V
V
CC
x
w: In measurement of t
dis
-times and t
en
-times the capacitance is 5 pF.
x:
Between V
CC
and V
SS
must be connected a high frequency bypass capacitor 0.1
μ
F to avoid disturbances.
Capacitance
e
Conditions
Symbol
Min.
Max.
Unit
Input Capacitance
V
CC
V
I
f
T
a
= 5.0 V
= V
SS
= 1MHz
= 25
°
C
C
I
8
pF
Output Capacitance
C
O
7
pF
All Pins not under test must be connected with ground by capacitors.
Operating Temperature Range
C =
0 to
70 °C
K = -40 to
85 °C
G1
D
25
K
U637H256
Type
Package
D = PDIP28 (600mil)
Ordering Code
Leadfree Option
G1
= Leadfree Green Package
Access Time
25 = 25 ns
Example
Device Marking
(example)
Date of manufacture
(The first 2 digits indicating
the year, and the last 2
digits the calendar week.)
Leadfree Green Package
Product specification
Internal Code
ZMD
U637H256DK
25
Z
0425
G1
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