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U635H64 Datasheet, PDF (10/13 Pages) List of Unclassifed Manufacturers – POWER STORE 8K X 8 NVSRAM
U635H64
Test Configuration for Functional Check
5V
VCCx
A0
A1
A2
A3
DQ0
A4
DQ1
480
VIH
A5
DQ2
A6
A7
DQ3
A8
DQ4
A9
DQ5
VIL
A10
A11
DQ6
A12
DQ7
VO
E
W
G
VSS
30 pF w
255
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
Min.
Max.
Input Capacitance
VCC = 5.0 V
CI
8
VI
= VSS
f
= 1 MHz
Output Capacitance
Ta = 25 °C
CO
7
All pins not under test must be connected with ground by capacitors.
Unit
pF
pF
Ordering Code
Example
U635H64
S C 25 G1
Type
ESD Class
blank > 2000 V
B > 1000 V
Package
D1 = PDIP28 (600 mil)
S = SOP28 (330 mil) Type 1
S2 = SOP28 (330 mil) Type 2
y: on special request
Leadfree Option
blank = Standard Package
G1 = Leadfree Green Package y
Operating Temperature Range
C = 0 to 70 °C
K = -40 to 85 °C
Access Time
25 = 25 ns
35 = 35 ns y
45 = 45 ns y
Device Marking (example)
Product specification
Internal Code
ZMD
U635H64S2C
25 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