U631H16 Datasheet, PDF (9/12 Pages) List of Unclassifed Manufacturers – SOFTSTORE 2K X 8 NVSRAM

U631H16
Test Configuration for Functional Check
VIH
VIL
V_CCw
A0
A1
A2
DQ0
A3
DQ1
A4
DQ2
A5
A6
DQ3
A7
DQ4
A8
DQ5
A9
DQ6
A10
DQ7
E
W
G
V_SS
5V
480
V_O
30 pF ^v
255
v: In measurement of t_dis-times and t_en-times the capacitance is 5 pF.
w: Between V_CC and V_SS must be connected a high frequency bypass capacitor 0.1 µF to avoid disturbances.
Capacitance^e
Conditions
Input Capacitance
Output Capacitance
V_CC = 5.0 V
V_I
= V_SS
f
= 1MHz
T_a = 25 °C
All pins not under test must be connected with ground by capacitors.
IC Code Numbers
Symbol
C_I
C_O
Min.
Max.
8
7
Unit
pF
pF
Example
Type
U631H16 B D C 25
ESD Class
blank > 2000 Vx
B > 1000 V
Package
D = PDIP28 (300 mil)
D1= PDIP28 (600 mil)
S = SOP28 (300 mil)
S1= SOP24 (300 mil)
Operating Temperature Range
C = 0 to 70 °C
K = -40 to 85 °C
Access Time
25 = 25 ns
35 = 35 ns (on special request)
45 = 45 ns (on special request)
The date of manufacture is given by the last 4 digits of the mark, the first 2 digits indicating the year, and the last 2
digits the calendar week.
x: ESD protection > 2000 V under development
December 12, 1997
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