16 Megabit (512K x 32-Bit) MCM SRAM
TABLE 1. PINOUT DESCRIPTION
PIN
SYMBOL
DESCRIPTION
34-28, 42-36, 62-64, 7, 8
65
66
3-6
43-46, 48-56, 58-61, 9-12,
14-17, 19-22, 24-27
2, 67, 68
1, 18, 35, 52
13, 23, 47, 57
A0-A18
WE
OE
CS1 - CS4
I/O0-I/O31
Address Enable
WriteEnable
Output Enable
Chip Enable
Data Input/Output
NC
No Connection
VCC
+5V Power Supply
VSS
Ground
89C1632
PARAMETER
TABLE 2. 89C1632 ABSOLUTE MAXIMUM RATINGS
(VOLTAGE REFERENCED TO VSS = 0V)
SYMBOL
MIN
Power Supply Voltage Relative to VSS
Voltage Relative to VSS for Any Pin Except VCC
Power Dissipation
Operating Temperature
Storage Temperature
VCC
-0.5
VIN, VOUT
-0.5
PD
--
TA
-55
TS
-65
MAX
+7.0
VCC+0.5
4.0
+125
+150
UNITS
V
V
W
°C
°C
PARAMETER
TABLE 3. 89C1632 RECOMMENDED OPERATING CONDITIONS
(VCC = 5.0 + 10%, TA = -55 TO +125 °C, UNLESS OTHERWISE NOTED)
SYMBOL
MIN
MAX
Supply Voltage, (Operating Voltage Range)
Input High Voltage
Input Low Voltage
VCC
4.5
5.5
VIH
2.2
VCC + 0.5 (1)
VIL
-0.5 (2)
0.8
1. VIH (max) = VCC + 2V ac (pulse width < 10ns) for I < 80 mA.
2. VIL (min) = -2.0V ac; (pulse width < 20 ns) for I < 80 mA.
UNITS
V
V
V
1000558
12.20.01 Rev 1
All data sheets are subject to change without notice 2
©2001 Maxwell Technologies.
All rights reserved.