7025E Datasheet, PDF (2/20 Pages) Maxwell Technologies – (8K x 16-Bit) Dual Port RAM High-Speed CMOS

(8K x 16-Bit) Dual Port RAM High-Speed CMOS
7025E
TABLE 1. 7025E PINOUT DESCRIPTION
NAMES
LEFT PORT
RIGHT PORT
Chip Select
CS_L
Read/Write Select
R/W_L
Output Select
OS_L
Address
AO_L-A12_L
Data Input/Output
I/OO_L-I/O15_L
Semaphore Select
SEM_L
Upper Byte Select
UB_L
Lower Byte Select
LB_L
Interrupt Flag
INT_L
Busy Flag
BUSY_L
M/S
V_CC
GND
CS_R
R/W_R
OS_R
AO_R-A12_R
I/OO_R-I/O15_R
SEM_R
UB_R
LB_R
INT_R
BUSY_R
Master or Slave Select
Power
Ground
TABLE 2. 7025E ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
MIN
MAX
UNITS
Supply Voltage (Relative to V_SS)
Operating Temperature Range
Input or Output Voltage Applied
Storage Temperature Range
V_CC
-0.3
7.0
V
T_A
-55
125
°_C
--
GND -0.3V V_CC+ 0.3
V
T_STG
-65
150
°_C
PARAMETER
Supply Voltage Positive
Input Voltage
TABLE 3. DELTA LIMITS
PARAMETER
I_CCOP
I_CCOP1
I_CCSB
I_CCSB1
VARIATION
± 10% AS STATED I TABLE 6
± 10% AS STATED I TABLE 6
± 10% AS STATED I TABLE 6
± 10% AS STATED I TABLE 6
TABLE 4. 7025E RECOMMENDED OPERATING CONDITIONS
SYMBOL
MIN
MAX
UNITS
V_CC
4.5
5.5
V
V_IL
-0.5
0.8
V
V_IH
2.2
6.0
08.15.02 Rev 2
All data sheets are subject to change without notice 2
©2002 Maxwell Technologies
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