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PDF HM9264BLP-8L Data sheet ( Hoja de datos )
| Número de pieza | HM9264BLP-8L | |
| Descripción | 64 k SRAM (8-kword x 8-bit) | |
| Fabricantes | Hitachi Semiconductor | |
| Logotipo |  |
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HM9264B Series
64 k SRAM (8-kword × 8-bit)
ADE-203-618C (Z)
Rev. 3.0
Nov. 1997
Description
The Hitachi HM9264B is 64k-bit static RAM organized 8-kword × 8-bit. It realizes higher performance
and low power consumption by 1.5 µm CMOS process technology. The device, packaged in 450 mil
SOP (foot print pitch width), 600 mil plastic DIP, is available for high density mounting.
Features
• High speed
Fast access time: 85/100 ns (max)
• Low power
Standby: 10 µW (typ)
Operation: 15 mW (typ) (f = 1 MHz)
• Single 5 V supply
• Completely static memory
No clock or timing strobe required
• Equal access and cycle times
• Common data input and output
Three state output
• Directly TTL compatible
All inputs and outputs
• Battery backup operation capability
Note: HM9264B series can't be applied for Aerospace, Aircraft, Nucleus Plants, Main Flame
Computers, Medical Life-support System, and Automobile Engine Control and Industrial
machines. (e.g. Communication Hubs, NC, and others.)
Ordering Information
Type No.
HM9264BLFP-8L
HM9264BLFP-10L
HM9264BLP-8L
HM9264BLP-10L
Access time
85 ns
100 ns
85 ns
100 ns
Package
450-mil, 28-pin plastic SOP(FP-28DA)
600-mil, 28-pin plastic DIP (DP-28)
1 page  
HM9264B Series
DC Characteristics (Ta = 0 to +70°C, VCC = 5 V ±10%, VSS = 0 V)
Parameter
Symbol Min Typ*1 Max Unit Test conditions
Input leakage current
Output leakage current
|ILI|
|ILO|
Operating power supply ICCDC
current
Average operating power ICC1
supply current
I CC2
Standby power supply
current
I SB
—— 2
µA Vin = VSS to VCC
—— 2
µA CS1 = VIH or CS2 = VIL or OE = VIH or
WE = VIL, VI/O = VSS to VCC
—7
15 mA CS1 = VIL, CS2 = VIH, II/O = 0 mA
others = VIH/VIL
— 30 45 mA Min cycle, duty = 100%,
CS1 = VIL, CS2 = VIH, II/O = 0 mA
others = VIH/VIL
— 3 5 mA Cycle time = 1 µs, duty = 100%, II/O = 0 mA
CS1 ≤ 0.2 V, CS2 ≥ VCC – 0.2 V,
VIH ≥ VCC – 0.2 V, VIL ≤ 0.2 V
— 1 3 mA CS1 = VIH, CS2 = VIL
I SB1
—2
50 µA CS1 ≥ VCC – 0.2 V, CS2 ≥ VCC – 0.2 V or
0 V ≤ CS2 ≤ 0.2 V, 0 V ≤ Vin
Output low voltage
VOL — — 0.4 V IOL = 2.1 mA
Output high voltage
VOH 2.4 — — V IOH = –1.0 mA
Notes: 1. Typical values are at VCC = 5.0 V, Ta = +25°C and not guaranteed.
Capacitance (Ta = 25°C, f = 1.0 MHz)
Parameter
Symbol Min Typ
Input capacitance*1
Cin — —
Input/output capacitance*1 CI/O — —
Note: 1. This parameter is sampled and not 100% tested.
Max
5
7
Unit
pF
pF
Test conditions
Vin = 0 V
VI/O = 0 V
5 Page 
Write Timing Waveform (2) (OE Low Fixed) (OE = VIL)
Address
CS1
tWC
Valid address
tAW
tCW
*6
HM9264B Series
tWR
CS2
WE
Dout
Din
tAS
High Impedance
tWP
tWHZ
tOW
tOH
*7
tDW tDH
*5
Valid data
*8
11 Page | ||
| Páginas | Total 14 Páginas | |
| PDF Descargar | [ Datasheet HM9264BLP-8L.PDF ] | |
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