IDT71B74S10Y Просмотр технического описания (PDF) - Integrated Device Technology
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IDT71B74S10Y Datasheet PDF : 9 Pages
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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
0V
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
1kΩ–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(1)
(VCC = 5.0V ± 10%, VLC = 0.2V, VHC = VCC – 0.2V)
Symbol
Parameter
ICC Dynamic Operating Current
WE = VLC
Outputs Open, VCC = Max., f = fMAX(2) WE = VHC
NOTES:
1. All values are maximum guaranteed values.
2. fMAX = 1/tRC, only input addresses are cycling at fMAX.
71B74S8
230
210
71B74S10 71B74S12 71B74S15 71B74S20 Unit
210
200
190
180
mA
200
170
160
150
mA
3013 tbl 07
DC ELECTRICAL CHARACTERISTICS OVER THE OPERATING TEMPERATURE
AND SUPPLY VOLTAGE (VCC = 5.0V ± 10%)
Symbol
Parameter
Test Condition
IDT71B74S
Min.
Max.
|ILI|
Input Leakage Current
VCC = Max., VIN = GND to VCC
|ILO|
Output Leakage Current
VCC = Max., CS = VIH,
VOUT = GND to VCC
—
5
—
5
VOL
Output LOW Voltage
IOL = 22mA MATCH
—
0.5
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
—
Unit
µA
µA
V
V
3013 tbl 08
AC TEST CONDITIONS
Input Pulse Levels
Input Rise/Fall Times
Input Timing Reference Levels
Output Reference Levels
AC Test Load
GND to 3.0V
3ns
1.5V
1.5V
See Figures 1, 2, and 3
3013 tbl 09
1.5V
DATAOUT
50Ω
3013 drw 03
Figure 1. AC Test Load
14.1
3
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