gvt7264a16 ETC-unknow, gvt7264a16 Datasheet - Page 6

• Manufacturer Part Number: gvt7264a16
• Description: With Single Chip Enable Revolutionary Pinout
• Manufacturer: ETC-unknow

NOTES
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DATA RETENTION ELECTRICAL CHARACTERISTICS (L Version Only)
October 6, 1997
Rev. 10/97
GALVANTECH
Input pulse levels
Input rise and fall times
Input timing reference levels
Output reference levels
Output load
Operation Recovery Time
AC TEST CONDITIONS
Undershoot:
Data Retention Current
All voltages referenced to VSS (GND).
Overshoot:
I
output loading and faster cycle times.
This parameter is sampled.
Test conditions as specified with the output loading as shown in
Fig. 1 unless otherwise noted.
Output loading is specified with C
is measured +500mV from steady state voltage.
At any given temperature and voltage condition,
than
Vcc for Retention Data
cc
Data Retention Time
DESCRIPTION
Chip Deselect to
is given with no output current. I
t
LZCE and
t
HZWE is less than
V
V
IH
IL
-2.0V for t
+7.0V for t
CE# >VCC -0.2;
all other inputs < VSS +0.2
or >VCC -0.2;
all inputs static; f= 0
L
=5pF as in Fig. 2. Transition
cc
t
t
LZWE.
RC /2
t
RC /2.
increases with greater
See Figures 1 and 2
CONDITIONS
, INC.
0V to 3.0V
t
HZCE is less
1.5ns
1.5V
1.5V
Vcc = 2V
Vcc = 3V
6
REVOLUTIONARY PINOUT 64K X 16
8.
9.
10. Address valid prior to, or coincident with, latest occurring chip
11.
12. Chip Enable and Write Enable can initiate and terminate a
13. Capacitance derating applies to capacitance different from the
14. Typical values are measured at 5V, 25
OUTPUT LOADS
SYMBOL
WE# is HIGH for READ cycle.
Device is continuously selected. Chip enable and output enables
are held in their active state.
enable.
t
WRITE cycle.
load capacitance shown in Fig. 1.
I
I
V
CCDR
CCDR
t
RC
CDR
t
DR
R
Q
Fig. 2 OUTPUT LOAD EQUIVALENT
= Read Cycle Time.
Fig. 1 OUTPUT LOAD EQUIVALENT
MIN
t
RC
2
0
Q
Z
Galvantech, Inc. reserves the right to change products or specifications without notice.
0
= 50
TYP
2
3
255
MAX
Vt = 1.5V
100
150
o
C and 20ns cycle time.
GVT7264A16
50
UNITS
uA
uA
ns
ns
+5V
V
480
5 pF
NOTES
4, 11
30 pF
13
13
4