UL634H256BSK45 Просмотр технического описания (PDF) - Zentrum Mikroelektronik Dresden AG
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UL634H256BSK45 Datasheet PDF : 13 Pages
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UL635H256
Test Configuration for Functional Check
A0
VCCX
A1
A2
A3
A4
DQ0
A5
DQ1
VIH
A6
A7
DQ2
A8
DQ3
A9
DQ4
A10
DQ5
VIL
A11
A12
DQ6
A13
DQ7
A14
E
W
G
VSS
3V
1.1 k
VO
30 pF w
950
w: In measurement of tdis-times and ten-times the capacitance is 5 pF.
x: Between VCC and VSS must be connected a high frequency bypass capacitor 0.1 µF to avoid disturbances.
Capacitancee
Conditions
Symbol
Input Capacitance
Output Capacitance
VCC = 3.0 V
CI
VI
= VSS
f
= 1 MHz
Ta
= 25 °C
CO
All Pins not under test must be connected with ground by capacitors.
Min.
Max.
8
7
Unit
pF
pF
Ordering Code
Example
UL635H256 S2 C 45 G1
Type
Package
S = SOP28 (330mil) Type 1
S2 = SOP28 (330mil) Type 2
y: on special request
Leadfree Option
blank = Standard Package
G1 = Leadfree Green Package
Operating Temperature Range
C = 0 to 70 °C
K = -40 to 85 °C
Access Time
35 = 35 ns (VCC = 3.0 ... 3.6 V)
45 = 45 ns (VCC = 2.7 ... 3.6 V)
Device Marking (example)
Product specification
Internal Code
ZMD
UL635H256S2C
45 Z 0425
G1
Date of manufacture
(The first 2 digits indicating
the year, and the last 2
digits the calendar week.)
Leadfree Green Package
10
April 7, 2005
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