TC55V4000ST-70 Datasheet, PDF (2/10 Pages) Toshiba Semiconductor – 524,288-WORD BY 8-BIT STATIC RAM

BLOCK DIAGRAM
A13
A17
A15
A18
A16
A14
A4
A5
A6
A7
A12
I/O1
I/O2
I/O3
I/O4
I/O5
I/O6
I/O7
I/O8
CE
MEMORY CELL ARRAY
2,048 × 256 × 8
(4,194,304)
TC55V4000ST-70,-85
V_DD
GND
8
SENSE AMP
COLUMN ADDRESS
DECODER
COLUMN ADDERSS
REGISTER
COLUMN ADDRESS
BUFFER
CE
A3 A2 A1 A0 A8 A9 A11 A10
OE
R/W
CE
CE
OPERATING MODE
MODE
Read
Write
Output Deselect
Standby
* = don't care
H = logic high
L = logic low
MAXIMUM RATINGS
CE
OE
L
L
L
*
L
H
H
*
SYMBOL
RATING
V_DD
Power Supply Voltage
V_IN
Input Voltage
V_I/O
Input/Output Voltage
P_D
Power Dissipation
T_solder
Soldering Temperature (10s)
T_stg
Storage Temperature
T_opr
Operating Temperature
*: −3.0 V when measured at a pulse width of 50ns
R/W
I/O1~I/O8
H
Output
L
Input
H
High-Z
*
High-Z
POWER
I_DDO
I_DDO
I_DDO
I_DDS
VALUE
−0.3~4.6
−0.3*~4.6
−0.5~V_DD + 0.5
0.6
260
−55~150
−40~85
UNIT
V
V
V
W
°C
°C
°C
2001-11-30 2/10