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U634H256D1M25G1 Datasheet(PDF) 10 Page - Zentrum Mikroelektronik Dresden AG

Part # U634H256D1M25G1
Description  POWERSTORE 32K X 8 NVSRAM
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Manufacturer  ZMD [Zentrum Mikroelektronik Dresden AG]
Direct Link  http://www.zmdi.com
Logo ZMD - Zentrum Mikroelektronik Dresden AG

U634H256D1M25G1 Datasheet(HTML) 10 Page - Zentrum Mikroelektronik Dresden AG

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10
April 21, 2004
U634H256
Test Configuration for Functional Check
VCCXY VCAP
VIH
VIL
VSS
480
255
30 pF x
VO
DQ0
DQ1
DQ2
DQ3
DQ4
DQ5
DQ6
DQ7
HSB
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
5 V
A13
A14
x: In measurement of tdis-times and ten-times the capacitance is 5 pF.
y: Between VCC and VSS must be connected a high frequency bypass capacitor 0.1 µF to avoid disturbances.
Capacitancee
Conditions
Symbol
Min.
Max.
Unit
Input Capacitance
VCC
VI
f
Ta
= 5.0 V
= VSS
= 1 MHz
= 25
°C
CI
8pF
Output Capacitance
CO
7pF
All Pins not under test must be connected with ground by capacitors.
HSB
E
W
G
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
Operating Temperature Range
C =
0 to 70 °C
K = -40 to 85 °C
A = -40 to 125 °C (only 35 ns and SOP32 package)
M = -55 to 125 °C (only 35 ns and SOP32 package)
S
25
C
U634H256
Type
Package
D1 = PDIP32 (600 mil)
S = SOP32 (300mil)
Ordering Code
Leadfree Option
blank = Standard Package
G1
= Leadfree Green Package z
Access Time
25 = 25 ns
35 = 35 ns (C/K Type on special request)
45 = 45 ns z
Device Marking (example)
ZMD
U634H256SC
25
Z 0425
G1
z: on special request
Example


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