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IDT71B74S12Y Datasheet(PDF) 3 Page - Integrated Device Technology

Part # IDT71B74S12Y
Description  BiCMOS STATIC RAM 64K (8K x 8-BIT) CACHE-TAG RAM
Download  9 Pages
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Manufacturer  IDT [Integrated Device Technology]
Direct Link  http://www.idt.com
Logo IDT - Integrated Device Technology

IDT71B74S12Y Datasheet(HTML) 3 Page - Integrated Device Technology

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14.1
3
IDT71B74
BiCMOS STATIC RAM 64K (8K x 8-BIT) CACHE-TAG RAM
COMMERCIAL TEMPERATURE RANGE
RECOMMENDED DC OPERATING
CONDITIONS
Symbol
Parameter
Min.
Typ.
Max. Unit
VCC
Supply Voltage
4.5
5.0
5.5
V
GND
Supply Voltage
0
0
0
V
VIH
Input HIGH Voltage
(1)
2.2
—
6.0
(4)
V
VIHR
RESET Input Voltage
2.5
(2)
—
6.0
V
VIL
Input LOW Voltage
–0.5
(3)
—
0.8
V
NOTES:
3013 tbl 05
1. All inputs except
RESET.
2. When using bipolar devices to drive the
RESET input, a pullup resistor of
1k
Ω–10kΩ is usually required to assure this voltage.
3. VIL (min.) = –1.5V for pulse width less than 10ns, once per cycle.
4. VTERM must not exceed VCC + 0.5V.
RECOMMENDED OPERATING
TEMPERATURE AND SUPPLY VOLTAGE
Grade
Ambient Temperature
GND
VCC
Commercial
0
°C to +70°C
0V
5V
± 10%
3013 tbl 06
DC ELECTRICAL CHARACTERISTICS OVER THE OPERATING TEMPERATURE
AND SUPPLY VOLTAGE (VCC = 5.0V
± 10%)
IDT71B74S
Symbol
Parameter
Test Condition
Min.
Max.
Unit
|ILI|
Input Leakage Current
VCC = Max., VIN = GND to VCC
—5
µA
|ILO|
Output Leakage Current
VCC = Max.,
CS = VIH,—
5
µA
VOUT = GND to VCC
VOL
Output LOW Voltage
IOL = 22mA MATCH
—
0.5
V
IOL = 18mA MATCH
—
0.4
IOL = 10mA, VCC = Min. (Except MATCH)
—
0.5
IOL = 8mA, VCC = Min. (Except MATCH)
—
0.4
VOH
Output HIGH Voltage
IOH = –4mA, VCC = Min. (Except MATCH)
2.4
—
V
3013 tbl 08
AC TEST CONDITIONS
Input Pulse Levels
GND to 3.0V
Input Rise/Fall Times
3ns
Input Timing Reference Levels
1.5V
Output Reference Levels
1.5V
AC Test Load
See Figures 1, 2, and 3
3013 tbl 09
Figure 1. AC Test Load
3013 drw 03
50
Ω
DATAOUT
1.5V
DC ELECTRICAL CHARACTERISTICS
(1)
(VCC = 5.0V
± 10%, VLC = 0.2V, VHC = VCC – 0.2V)
Symbol
Parameter
71B74S8
71B74S10
71B74S12
71B74S15
71B74S20
Unit
ICC
Dynamic Operating Current
WE = VLC
230
210
200
190
180
mA
Outputs Open, VCC = Max., f = fMAX
(2)
WE = VHC
210
200
170
160
150
mA
NOTES:
3013 tbl 07
1. All values are maximum guaranteed values.
2. fMAX = 1/tRC, only input addresses are cycling at fMAX.


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