SP8720 Datasheet, PDF (1/6 Pages) General Electric Company – ECL two-modulus divider, with ECL10K compatible outputs

SP8720
300MHz43/4
ADVANCE INFORMATION
DS3650-1·2
The SP8720 is an ECL two-modulus divider, with ECL10K
compatible outputs. It divides by 3 when either of the ECL control
inputs, PE1 or PE2, is in the high state and by 4 when both are low
(or open circuit). An AC coupled input of 600mVp-p is required.
FEATURES
s ECL Compatible Outputs
s AC-Coupled Input (Internal Bias)
s Control Inputs ECL III/10K Compatible
QUICK REFERENCE DATA
s Supply Voltage: 25·2V
s Power Consumption: 240mW
s Temperature Range:
255°C to 1125°C (A Grade)
230°C to 170°C (B Grade)
ABSOLUTE MAXIMUM RATINGS
Supply voltage
Output current
Storage temperature range
Max. junction temperature
Max. clock input voltage
28V
20mA
265°C to 1150°C
1175°C
2·5V p-p
CLOCK INPUT 1
CIONNPTURTOSL^{ PE1 2}
 PE2 3
16 INTERNAL BIAS DECOUPLING
15 NC
14 NC
NC 4
13 NC
SP8720
VCC 5
12 V_EE
NC 6
11 DO NOT CONNECT
NC 7
10 NC
OUTPUT 8
9 _OUTPUT
Fig. 1 Pin connections - top view
DG16
ORDERING INFORMATION
SP8720 A DG
SP8720 B DG
5962-90577 (SMD)
V_CC (0V)
5
2
PE1
3
PE2
CLOCK INPUT ¹
D1 Q1
CK
D2 Q2
CK ^Q2
8 _OUTPUT
9
OUTPUT
16
INTERNAL BIAS
DECOUPLING
12
V_EE
Fig. 2 Functional diagram