gvt72128a8 ETC-unknow, gvt72128a8 Datasheet - Page 5

• Manufacturer Part Number: gvt72128a8
• Description: With Single Chip Enable Revolutionary Pinout
• Manufacturer: ETC-unknow

NOTES
1. All voltages referenced to VSS (GND).
2. Overshoot:
3. I
4. This parameter is sampled.
5. Test conditions as specified with the output loading as shown in
6. Output loading is specified with C
7. At any given temperature and voltage condition,
DATA RETENTION ELECTRICAL CHARACTERISTICS (L Version Only)
December 30, 1996
Rev. 12/96
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
output loading and faster cycle times.
Fig. 1 unless otherwise noted.
is measured +500mV from steady state voltage.
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
5
REVOLUTIONARY PINOUT 128K X 8
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
RC
V
CCDR
CCDR
t
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.
GVT72128A8
50
UNITS
uA
uA
ns
ns
+5V
V
480
5 pF
NOTES
4, 11
30 pF
13
13
4