gvt71256zb18 ETC-unknow, gvt71256zb18 Datasheet - Page 7

• Manufacturer Part Number: gvt71256zb18
• Description: 256k Flow-through Sram
• Manufacturer: ETC-unknow

ABSOLUTE MAXIMUM RATINGS*
Voltage on VCC Supply Relative to VSS........-0.5V to +4.6V
V
Storage Temperature (plastic) ..........................-55
Junction Temperature .....................................................+125
Power Dissipation ............................................................2.0W
Short Circuit Output Current ..........................................50mA
DC ELECTRICAL CHARACTERISTICS AND RECOMMENDED OPERATING CONDITIONS
(0
Note:
1.
2.
3.
4. “Device Deselected” means the device is in POWER -DOWN mode as defined in the truth table. “Device Selected” means the device is
5. Typical values are measured at 3.3V, 25
6. MODE pin has an internal pull-up and ZZ pin has an internal pull-down. These two pins exhibit an input leakage current of +30 A.
7.
July 23, 1998
Rev. 7/98
Input High (Logic 1) Voltage
Input Low (Logic 0) Voltage
Input Leakage Current
MODE and ZZ Input Leakage
Current
Output Leakage Current
Output High Voltage
Output Low Voltage
Supply Voltage
I/O Supply Voltage
DESCRIPTION
Power Supply
Current: Operating
CMOS Standby
TTL Standby
Clock Running
GALVANTECH
IN
o
DESCRIPTION
C
At f = f
Undershoot:
All voltages referenced to VSS (GND).
Overshoot:
I
...........................................................-0.5V to VCC+0.5V
active.
cc
is given with no output current. I
T
a
MAX
70°C; VCC = 3.3V -5% and +5% unless otherwise noted)
, inputs are cycling at the maximum frequency of read cycles of 1/t
V
V
CONDITIONS
Device selected; all inputs < V
V
outputs open, ADV/LD# = X, f = f
Device deselected; VCC = MAX;
all inputs < VSS +0.2 or >VCC -0.2;
all inputs static; CLK frequency = 0
Device deselected; all inputs < V
or > V
VCC = MAX; CLK frequency = 0
Device deselected;
all inputs < V
CLK cycle time >
IH
IL
IH
;cycle time >
-2.0V for t
+6.0V for t
IH
Data Inputs (DQxx)
All Other Inputs
0V < V
0V < V
Output(s) disabled, 0V < V
I
I
; all inputs static;
OH
OL
CONDITIONS
= 8.0mA
= -5.0mA
IL
IN
IN
or > V
t
< VCC
< VCC
KC MIN; VCC =MAX;
t
cc
KC MIN
t
KC /2.
t
KC /2
increases with greater output loading and faster cycle times.
o
IH
C and 20ns cycle time.
; VCC = MAX;
, INC.
IL
or >
o
MAX
IL
C to +125
OUT
2
< VCC
256K X 18 FLOW-THROUGH ZBL SRAM
o
o
SYM
I
I
I
Icc
SB2
SB3
SB4
7
SYMBOL
*Stresses greater than those listed under “Absolute Maximum
Ratings” may cause permanent damage to the device.This is a stress
rating only and functional operation of the device at these or any
other conditions above those indicated in the operational sections of
this specification is not implied. Exposure to absolute maximum
rating conditions for extended periods may affect reliability.
VCCQ
V
VCC
V
V
V
IL
V
IL
IL
IHD
OH
OL
IH
Il
O
I
I
TYP
150
20
40
5
300
10
40
70
3.135
3.135
-9
MIN
-0.5
2.0
2.0
2.4
CYC
-
-
-
Galvantech, Inc. reserves the right to change products or specifications without notice.
; f = 0 means no input lines are changing.
260
-10
10
40
65
VCC+0.3
MAX
3.465
VCC
4.6
0.8
0.4
30
5
5
220
-11
10
40
55
GVT71256ZB18
UNITS
170
-15
10
40
45
uA
uA
uA
V
V
V
V
V
V
V
UNITS NOTES
mA
mA
mA
mA
NOTES
1, 2
1,2
1,2
3, 4, 5, 7
6
1
1
1
1
4, 5, 7
4, 5, 7
4, 5, 7